🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.53 AU - 0.57 AU

Year: 268 Days

Day: 36.8 Hours

Environment

Temp: -113 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,341,675 km

• M1: 198,666 km (0.11 R)
• M2: 442,361 km (0.048 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.55 AU - 0.57 AU

Year: 275 Days

Day: 41.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,341,675 km

• M1: 23,786 km (0.103 R)
• M2: 117,883 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.57 AU - 0.71 AU

Year: 336 Days

Day: 46.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,341,675 km

• M1: 463,454 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 10.5

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.56 AU - 0.8 AU

Year: 368 Days

Day: 15 Hours

Environment

Temp: -142 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 60,341,675 km

• M1: 140,173 km (0.041 R)
• M2: 209,287 km (0.113 R)
• M3: 294,558 km (0.107 R)
• M4: 376,687 km (0.105 R)
• M5: 456,124 km (0.093 R)
• M6: 576,849 km (0.107 R)
• M7: 657,034 km (0.075 R)
• M8: 728,691 km (0.119 R)
• M9: 796,758 km (0.111 R)
• M10: 898,036 km (0.101 R)
• M11: 964,607 km (0.12 R)
• M12: 1,040,453 km (0.117 R)
• M13: 1,114,504 km (0.109 R)
• M14: 1,202,168 km (0.093 R)
• M15: 1,332,169 km (0.118 R)
• M16: 1,442,123 km (0.108 R)
• M17: 1,513,033 km (0.096 R)
• M18: 1,602,343 km (0.045 R)
• M19: 1,737,430 km (0.105 R)
• M20: 1,876,556 km (0.06 R)
• M21: 1,991,447 km (0.094 R)
• M22: 2,075,670 km (0.087 R)
• M23: 2,146,729 km (0.032 R)
• M24: 2,247,708 km (0.059 R)
• M25: 2,375,016 km (0.06 R)
• M26: 2,504,717 km (0.067 R)
• M27: 2,601,208 km (0.054 R)
• M28: 2,709,068 km (0.093 R)
• M29: 2,781,922 km (0.073 R)
• M30: 2,860,760 km (0.1 R)
• M31: 2,940,197 km (0.069 R)
• M32: 3,015,145 km (0.037 R)
• M33: 3,112,384 km (0.054 R)
• M34: 3,205,284 km (0.035 R)
• M35: 3,382,707 km (0.037 R)
• M36: 3,517,794 km (0.104 R)
• M37: 3,649,141 km (0.051 R)
• M38: 3,770,465 km (0.114 R)
• M39: 3,846,161 km (0.059 R)
• M40: 3,946,093 km (0.11 R)
• M41: 4,028,970 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 14.3

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.69 AU - 1.07 AU

Year: 542 Days

Day: 5 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 60,341,675 km

• M1: 189,241 km (0.066 R)
• M2: 324,478 km (0.039 R)
• M3: 424,559 km (0.081 R)
• M4: 537,056 km (0.07 R)
• M5: 670,797 km (0.12 R)
• M6: 761,902 km (0.1 R)
• M7: 958,623 km (0.073 R)
• M8: 1,108,371 km (0.081 R)
• M9: 1,250,788 km (0.116 R)
• M10: 1,340,547 km (0.065 R)
• M11: 1,438,234 km (0.099 R)
• M12: 1,600,847 km (0.083 R)
• M13: 1,693,448 km (0.073 R)
• M14: 1,793,828 km (0.059 R)
• M15: 1,884,185 km (0.111 R)
• M16: 2,050,987 km (0.113 R)
• M17: 2,145,832 km (0.097 R)
• M18: 2,235,740 km (0.108 R)
• M19: 2,346,742 km (0.056 R)
• M20: 2,459,688 km (0.119 R)
• M21: 2,588,043 km (0.091 R)
• M22: 2,684,235 km (0.087 R)
• M23: 2,844,903 km (0.106 R)
• M24: 3,168,632 km (0.095 R)
• M25: 3,301,475 km (0.044 R)
• M26: 3,451,372 km (0.065 R)
• M27: 3,742,640 km (0.053 R)
• M28: 4,034,056 km (0.081 R)
• M29: 4,146,255 km (0.086 R)
• M30: 4,308,419 km (0.026 R)
• M31: 4,564,081 km (0.111 R)
• M32: 4,714,876 km (0.088 R)
• M33: 4,807,776 km (0.117 R)
• M34: 4,978,468 km (0.088 R)
• M35: 5,081,690 km (0.051 R)
• M36: 5,264,349 km (0.074 R)
• M37: 5,546,939 km (0.078 R)
• M38: 5,645,225 km (0.045 R)
• M39: 5,889,070 km (0.064 R)
• M40: 5,998,426 km (0.116 R)
• M41: 6,117,805 km (0.07 R)
• M42: 6,210,256 km (0.119 R)
• M43: 6,387,081 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.2

Radius: 10.2

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.76 AU - 1.1 AU

Year: 588 Days

Day: 9.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 60,341,675 km

• M1: 134,488 km (0.119 R)
• M2: 311,612 km (0.082 R)
• M3: 388,805 km (0.081 R)
• M4: 470,336 km (0.083 R)
• M5: 589,864 km (0.116 R)
• M6: 663,467 km (0.072 R)
• M7: 735,573 km (0.113 R)
• M8: 836,402 km (0.099 R)
• M9: 936,782 km (0.116 R)
• M10: 1,007,990 km (0.096 R)
• M11: 1,086,829 km (0.072 R)
• M12: 1,203,365 km (0.098 R)
• M13: 1,545,795 km (0.107 R)
• M14: 1,624,633 km (0.118 R)
• M15: 1,752,240 km (0.113 R)
• M16: 1,904,381 km (0.108 R)
• M17: 2,126,235 km (0.094 R)
• M18: 2,199,687 km (0.118 R)
• M19: 2,303,957 km (0.115 R)
• M20: 2,455,799 km (0.104 R)
• M21: 2,525,212 km (0.074 R)
• M22: 2,650,425 km (0.058 R)
• M23: 2,825,904 km (0.114 R)
• M24: 2,955,904 km (0.098 R)
• M25: 3,029,955 km (0.103 R)
• M26: 3,264,375 km (0.064 R)
• M27: 3,452,719 km (0.105 R)
• M28: 3,565,815 km (0.098 R)
• M29: 3,715,413 km (0.056 R)
• M30: 3,903,308 km (0.047 R)
• M31: 3,984,838 km (0.11 R)
• M32: 4,066,818 km (0.078 R)
• M33: 4,140,271 km (0.064 R)
• M34: 4,260,547 km (0.099 R)
• M35: 4,428,995 km (0.079 R)
• M36: 4,590,111 km (0.103 R)
• M37: 4,666,556 km (0.066 R)
• M38: 5,114,901 km (0.075 R)
• M39: 5,194,188 km (0.074 R)
• M40: 5,354,257 km (0.1 R)
• M41: 5,617,849 km (0.094 R)
• M42: 5,689,506 km (0.073 R)
• M43: 5,823,396 km (0.119 R)
• M44: 5,948,011 km (0.105 R)
• M45: 6,105,089 km (0.072 R)
• M46: 6,189,313 km (0.11 R)
• M47: 6,444,527 km (0.051 R)
• M48: 6,627,485 km (0.065 R)
• M49: 6,779,476 km (0.112 R)
• M50: 6,987,417 km (0.118 R)
• M51: 7,119,961 km (0.104 R)
• M52: 7,286,763 km (0.116 R)
• M53: 7,488,720 km (0.074 R)
• M54: 7,669,733 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.3

Radius: 13.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.94 AU - 3.84 AU

Year: 4095 Days

Day: 7.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 60,341,675 km

• M1: 181,462 km (0.107 R)
• M2: 293,661 km (0.093 R)
• M3: 446,550 km (0.09 R)
• M4: 699,968 km (0.114 R)
• M5: 795,861 km (0.094 R)
• M6: 1,217,427 km (0.109 R)
• M7: 1,312,422 km (0.1 R)
• M8: 1,587,682 km (0.041 R)
• M9: 1,993,392 km (0.082 R)
• M10: 2,223,324 km (0.103 R)
• M11: 2,431,863 km (0.083 R)
• M12: 2,523,417 km (0.104 R)
• M13: 2,804,810 km (0.102 R)
• M14: 2,981,934 km (0.077 R)
• M15: 3,518,392 km (0.079 R)
• M16: 3,710,027 km (0.114 R)
• M17: 3,869,349 km (0.105 R)
• M18: 4,305,576 km (0.103 R)
• M19: 4,605,221 km (0.115 R)
• M20: 4,776,810 km (0.107 R)
• M21: 5,404,223 km (0.078 R)
• M22: 5,646,422 km (0.071 R)
• M23: 5,912,706 km (0.066 R)
• M24: 6,288,496 km (0.093 R)
• M25: 6,415,505 km (0.101 R)
• M26: 6,586,196 km (0.119 R)
• M27: 6,845,000 km (0.061 R)
• M28: 6,932,066 km (0.098 R)
• M29: 7,217,499 km (0.084 R)
• M30: 7,395,072 km (0.118 R)
• M31: 7,868,399 km (0.065 R)
• M32: 8,051,208 km (0.047 R)
• M33: 8,235,512 km (0.05 R)
• M34: 8,538,149 km (0.097 R)
• M35: 8,868,012 km (0.105 R)
• M36: 9,034,515 km (0.09 R)
• M37: 9,298,405 km (0.099 R)
• M38: 9,467,600 km (0.101 R)
• M39: 9,589,074 km (0.057 R)
• M40: 9,833,816 km (0.094 R)
• M41: 9,932,102 km (0.094 R)
• M42: 10,154,853 km (0.099 R)
• M43: 10,254,336 km (0.111 R)
• M44: 10,529,596 km (0.086 R)
• M45: 10,908,976 km (0.073 R)
• M46: 11,190,070 km (0.091 R)
• M47: 11,603,260 km (0.081 R)
• M48: 12,153,181 km (0.084 R)
• M49: 12,899,675 km (0.12 R)
• M50: 13,061,689 km (0.108 R)
• M51: 13,578,849 km (0.117 R)
• M52: 13,853,810 km (0.059 R)
• M53: 13,991,889 km (0.053 R)
• M54: 14,297,517 km (0.106 R)
• M55: 14,549,141 km (0.119 R)
• M56: 14,661,489 km (0.112 R)
• M57: 15,142,147 km (0.084 R)
• M58: 16,060,827 km (0.113 R)
• M59: 16,526,974 km (0.1 R)
• M60: 17,145,562 km (0.079 R)
• M61: 17,294,112 km (0.077 R)
• M62: 17,383,273 km (0.099 R)
• M63: 17,771,928 km (0.06 R)
• M64: 18,072,769 km (0.11 R)
• M65: 18,375,256 km (0.114 R)
• M66: 18,466,361 km (0.09 R)
• M67: 18,679,538 km (0.091 R)
• M68: 18,924,131 km (0.117 R)
• M69: 19,509,208 km (0.068 R)
• M70: 19,633,225 km (0.098 R)
• M71: 19,913,122 km (0.025 R)
• M72: 20,131,685 km (0.07 R)
• M73: 20,950,583 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.7

Radius: 7.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.78 AU - 7.58 AU

Year: 10078 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 60,341,675 km

• M1: 94,396 km (0.057 R)
• M2: 147,354 km (0.091 R)
• M3: 226,342 km (0.113 R)
• M4: 392,844 km (0.094 R)
• M5: 570,865 km (0.111 R)
• M6: 636,090 km (0.031 R)
• M7: 795,262 km (0.111 R)
• M8: 945,159 km (0.091 R)
• M9: 1,187,358 km (0.081 R)
• M10: 1,235,678 km (0.08 R)
• M11: 1,297,163 km (0.086 R)
• M12: 1,346,979 km (0.074 R)
• M13: 1,448,855 km (0.081 R)
• M14: 1,606,532 km (0.114 R)
• M15: 1,687,464 km (0.095 R)
• M16: 1,981,573 km (0.073 R)
• M17: 2,216,442 km (0.042 R)
• M18: 2,306,949 km (0.104 R)
• M19: 2,398,652 km (0.106 R)
• M20: 2,475,994 km (0.12 R)
• M21: 2,617,364 km (0.107 R)
• M22: 3,294,594 km (0.063 R)
• M23: 3,608,450 km (0.093 R)
• M24: 4,377,832 km (0.092 R)
• M25: 4,549,122 km (0.079 R)
• M26: 5,479,471 km (0.117 R)
• M27: 5,871,866 km (0.055 R)
• M28: 5,976,585 km (0.094 R)
• M29: 6,039,864 km (0.081 R)
• M30: 6,124,387 km (0.064 R)
• M31: 6,618,359 km (0.099 R)
• M32: 6,705,575 km (0.062 R)
• M33: 7,125,197 km (0.06 R)
• M34: 9,249,936 km (0.085 R)
• M35: 9,494,528 km (0.119 R)
• M36: 10,015,278 km (0.112 R)
• M37: 10,418,295 km (0.117 R)
• M38: 10,724,073 km (0.027 R)
• M39: 10,929,471 km (0.117 R)
• M40: 11,162,245 km (0.12 R)
• M41: 11,318,276 km (0.107 R)
• M42: 11,579,922 km (0.109 R)
• M43: 11,764,377 km (0.095 R)
• M44: 12,136,127 km (0.061 R)
• M45: 12,296,496 km (0.103 R)
• M46: 12,430,835 km (0.115 R)
• M47: 12,619,628 km (0.11 R)
• M48: 12,700,859 km (0.119 R)
• M49: 12,809,467 km (0.113 R)
• M50: 13,136,937 km (0.114 R)
• M51: 13,384,372 km (0.051 R)
• M52: 13,633,303 km (0.113 R)
• M53: 13,744,454 km (0.085 R)
• M54: 13,800,254 km (0.112 R)
• M55: 14,079,852 km (0.079 R)
• M56: 14,673,008 km (0.098 R)
• M57: 15,216,796 km (0.103 R)
• M58: 15,883,853 km (0.098 R)
• M59: 16,000,839 km (0.092 R)
• M60: 16,265,028 km (0.053 R)
• M61: 17,276,460 km (0.09 R)
• M62: 17,638,187 km (0.079 R)
• M63: 17,698,774 km (0.119 R)
• M64: 17,789,730 km (0.101 R)
• M65: 18,032,976 km (0.061 R)
• M66: 18,124,530 km (0.087 R)
• M67: 18,216,234 km (0.105 R)
• M68: 18,369,272 km (0.062 R)
• M69: 18,955,097 km (0.07 R)
• M70: 19,359,460 km (0.107 R)
• M71: 19,547,056 km (0.106 R)
• M72: 19,735,250 km (0.099 R)
• M73: 19,798,081 km (0.062 R)
• M74: 20,493,861 km (0.091 R)
• M75: 20,589,454 km (0.045 R)
• M76: 20,717,061 km (0.071 R)
• M77: 21,005,037 km (0.085 R)
• M78: 21,552,715 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.6

Radius: 8

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.95 AU - 10.19 AU

Year: 17919 Days

Day: 20.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 60,341,675 km

• M1: 101,427 km (0.076 R)
• M2: 296,054 km (0.092 R)
• M3: 477,217 km (0.068 R)
• M4: 581,487 km (0.065 R)
• M5: 1,007,093 km (0.08 R)
• M6: 1,698,983 km (0.101 R)
• M7: 2,858,217 km (0.106 R)
• M8: 2,955,755 km (0.061 R)
• M9: 3,255,100 km (0.112 R)
• M10: 3,323,018 km (0.029 R)
• M11: 3,529,463 km (0.078 R)
• M12: 3,599,175 km (0.117 R)
• M13: 4,284,782 km (0.114 R)
• M14: 4,396,831 km (0.117 R)
• M15: 4,970,988 km (0.117 R)
• M16: 5,366,973 km (0.088 R)
• M17: 6,105,089 km (0.107 R)
• M18: 6,189,163 km (0.081 R)
• M19: 6,443,479 km (0.12 R)
• M20: 6,874,920 km (0.105 R)
• M21: 7,584,612 km (0.088 R)
• M22: 8,834,502 km (0.099 R)
• M23: 10,047,891 km (0.119 R)
• M24: 10,296,672 km (0.072 R)
• M25: 10,396,902 km (0.083 R)
• M26: 10,598,112 km (0.111 R)
• M27: 10,953,406 km (0.106 R)
• M28: 11,571,545 km (0.099 R)
• M29: 12,734,070 km (0.088 R)
• M30: 13,057,650 km (0.119 R)
• M31: 13,767,791 km (0.078 R)
• M32: 15,339,616 km (0.032 R)
• M33: 15,741,436 km (0.113 R)
• M34: 15,856,926 km (0.073 R)
• M35: 18,588,732 km (0.085 R)
• M36: 19,758,737 km (0.083 R)
• M37: 20,384,206 km (0.109 R)
• M38: 20,447,037 km (0.092 R)
• M39: 20,636,129 km (0.076 R)
• M40: 20,699,409 km (0.113 R)
• M41: 20,825,819 km (0.078 R)
• M42: 22,040,404 km (0.068 R)
• M43: 22,105,030 km (0.103 R)
• M44: 22,428,760 km (0.118 R)
• M45: 22,754,135 km (0.079 R)
• M46: 22,884,734 km (0.077 R)
• M47: 24,137,616 km (0.119 R)
• M48: 26,434,542 km (0.113 R)
• M49: 28,027,610 km (0.118 R)
• M50: 29,865,569 km (0.085 R)
• M51: 30,295,214 km (0.04 R)
• M52: 31,305,598 km (0.093 R)
• M53: 31,450,858 km (0.102 R)
• M54: 31,596,417 km (0.119 R)
• M55: 32,180,596 km (0.088 R)
• M56: 32,621,012 km (0.112 R)
• M57: 33,285,526 km (0.108 R)
• M58: 33,433,778 km (0.098 R)
• M59: 33,507,978 km (0.11 R)
• M60: 34,552,620 km (0.118 R)
• M61: 34,928,410 km (0.067 R)
• M62: 36,750,662 km (0.079 R)
• M63: 37,750,574 km (0.106 R)
• M64: 37,827,766 km (0.109 R)
• M65: 38,059,942 km (0.11 R)
• M66: 38,370,208 km (0.12 R)
• M67: 38,525,790 km (0.071 R)
• M68: 38,603,581 km (0.079 R)
• M69: 38,759,312 km (0.11 R)
• M70: 38,915,343 km (0.085 R)
• M71: 38,993,433 km (0.101 R)
• M72: 39,541,410 km (0.101 R)
• M73: 39,777,027 km (0.064 R)
• M74: 39,934,404 km (0.088 R)
• M75: 40,013,092 km (0.113 R)
• M76: 40,091,930 km (0.111 R)
• M77: 40,249,606 km (0.068 R)
• M78: 40,803,418 km (0.11 R)
• M79: 41,598,979 km (0.084 R)
• M80: 43,528,941 km (0.08 R)
• M81: 45,734,911 km (0.084 R)
• M82: 46,561,140 km (0.054 R)
• M83: 48,396,108 km (0.106 R)
• M84: 49,153,672 km (0.07 R)
• M85: 49,660,808 km (0.074 R)
• M86: 50,339,683 km (0.119 R)
• M87: 55,002,051 km (0.113 R)
• M88: 55,968,603 km (0.113 R)
• M89: 57,918,461 km (0.104 R)
• M90: 58,007,622 km (0.074 R)
• M91: 58,096,782 km (0.101 R)
• M92: 59,170,745 km (0.096 R)
• M93: 59,440,320 km (0.068 R)
• M94: 60,251,290 km (0.048 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 11,610 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit