🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.5 AU - 0.76 AU

Year: 323 Days

Day: 31.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 32 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,039,908 km

• M1: 196,721 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.4

Radius: 11.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.77 AU - 0.85 AU

Year: 471 Days

Day: 11.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 76,039,908 km

• M1: 148,102 km (0.058 R)
• M2: 251,324 km (0.116 R)
• M3: 340,036 km (0.059 R)
• M4: 459,565 km (0.095 R)
• M5: 553,662 km (0.054 R)
• M6: 652,845 km (0.09 R)
• M7: 768,035 km (0.079 R)
• M8: 858,841 km (0.077 R)
• M9: 953,537 km (0.086 R)
• M10: 1,041,650 km (0.068 R)
• M11: 1,143,676 km (0.084 R)
• M12: 1,482,365 km (0.089 R)
• M13: 1,565,991 km (0.074 R)
• M14: 1,738,327 km (0.118 R)
• M15: 1,822,700 km (0.109 R)
• M16: 1,925,773 km (0.12 R)
• M17: 2,044,255 km (0.071 R)
• M18: 2,120,101 km (0.071 R)
• M19: 2,224,221 km (0.109 R)
• M20: 2,344,199 km (0.114 R)
• M21: 2,428,572 km (0.088 R)
• M22: 2,509,205 km (0.102 R)
• M23: 2,595,523 km (0.095 R)
• M24: 2,697,549 km (0.115 R)
• M25: 2,791,047 km (0.107 R)
• M26: 2,865,697 km (0.101 R)
• M27: 2,956,204 km (0.114 R)
• M28: 3,032,349 km (0.031 R)
• M29: 3,197,056 km (0.06 R)
• M30: 3,275,296 km (0.106 R)
• M31: 3,681,604 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22

Radius: 13.3

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.9 AU - 0.92 AU

Year: 561 Days

Day: 5.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,039,908 km

• M1: 167,849 km (0.109 R)
• M2: 290,220 km (0.094 R)
• M3: 428,299 km (0.071 R)
• M4: 546,481 km (0.112 R)
• M5: 664,813 km (0.045 R)
• M6: 833,260 km (0.083 R)
• M7: 929,003 km (0.075 R)
• M8: 1,019,659 km (0.097 R)
• M9: 1,118,394 km (0.103 R)
• M10: 1,283,251 km (0.063 R)
• M11: 1,367,624 km (0.059 R)
• M12: 1,531,583 km (0.114 R)
• M13: 1,652,159 km (0.109 R)
• M14: 2,042,310 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 10.7

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.02 AU - 3.04 AU

Year: 2598 Days

Day: 9.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 76,039,908 km

• M1: 154,834 km (0.111 R)
• M2: 241,451 km (0.092 R)
• M3: 329,415 km (0.102 R)
• M4: 407,355 km (0.097 R)
• M5: 648,656 km (0.05 R)
• M6: 855,849 km (0.094 R)
• M7: 945,010 km (0.059 R)
• M8: 1,085,183 km (0.106 R)
• M9: 1,283,101 km (0.059 R)
• M10: 1,397,244 km (0.113 R)
• M11: 1,558,511 km (0.072 R)
• M12: 1,680,882 km (0.118 R)
• M13: 1,841,251 km (0.04 R)
• M14: 2,006,855 km (0.094 R)
• M15: 2,252,196 km (0.082 R)
• M16: 2,365,741 km (0.051 R)
• M17: 2,625,293 km (0.083 R)
• M18: 3,004,224 km (0.117 R)
• M19: 3,101,613 km (0.073 R)
• M20: 3,314,191 km (0.106 R)
• M21: 3,590,199 km (0.06 R)
• M22: 3,679,060 km (0.033 R)
• M23: 3,813,549 km (0.073 R)
• M24: 4,415,531 km (0.084 R)
• M25: 4,558,696 km (0.093 R)
• M26: 4,703,507 km (0.115 R)
• M27: 4,849,813 km (0.071 R)
• M28: 4,997,616 km (0.096 R)
• M29: 5,113,554 km (0.104 R)
• M30: 5,280,954 km (0.083 R)
• M31: 5,484,108 km (0.078 R)
• M32: 5,898,195 km (0.065 R)
• M33: 6,003,363 km (0.072 R)
• M34: 6,162,235 km (0.105 R)
• M35: 6,376,310 km (0.076 R)
• M36: 6,448,267 km (0.09 R)
• M37: 6,720,236 km (0.11 R)
• M38: 6,922,193 km (0.047 R)
• M39: 7,033,194 km (0.1 R)
• M40: 7,144,794 km (0.11 R)
• M41: 7,578,030 km (0.087 R)
• M42: 7,673,324 km (0.054 R)
• M43: 8,078,135 km (0.025 R)
• M44: 8,668,449 km (0.069 R)
• M45: 8,748,184 km (0.104 R)
• M46: 10,415,602 km (0.102 R)
• M47: 10,735,143 km (0.052 R)
• M48: 11,252,901 km (0.06 R)
• M49: 11,514,847 km (0.109 R)
• M50: 11,867,300 km (0.093 R)
• M51: 12,245,782 km (0.102 R)
• M52: 12,425,150 km (0.101 R)
• M53: 12,582,976 km (0.118 R)
• M54: 12,695,922 km (0.104 R)
• M55: 12,763,990 km (0.071 R)
• M56: 12,854,795 km (0.119 R)
• M57: 12,945,901 km (0.055 R)
• M58: 13,082,932 km (0.082 R)
• M59: 13,450,793 km (0.065 R)
• M60: 13,705,559 km (0.055 R)
• M61: 13,845,283 km (0.088 R)
• M62: 13,938,632 km (0.076 R)
• M63: 14,055,767 km (0.074 R)
• M64: 14,337,909 km (0.09 R)
• M65: 14,764,711 km (0.046 R)
• M66: 15,147,682 km (0.098 R)
• M67: 15,728,271 km (0.071 R)
• M68: 15,825,660 km (0.063 R)
• M69: 15,898,963 km (0.048 R)
• M70: 15,972,265 km (0.107 R)
• M71: 16,045,718 km (0.102 R)
• M72: 16,340,725 km (0.108 R)
• M73: 16,563,177 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 10.8

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.54 AU - 3.38 AU

Year: 3288 Days

Day: 6.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 76,039,908 km

• M1: 135,835 km (0.096 R)
• M2: 241,750 km (0.045 R)
• M3: 308,920 km (0.105 R)
• M4: 431,590 km (0.116 R)
• M5: 652,097 km (0.103 R)
• M6: 994,078 km (0.083 R)
• M7: 1,080,695 km (0.072 R)
• M8: 1,160,131 km (0.059 R)
• M9: 1,367,773 km (0.101 R)
• M10: 1,531,583 km (0.054 R)
• M11: 1,656,048 km (0.092 R)
• M12: 1,988,156 km (0.12 R)
• M13: 2,367,536 km (0.103 R)
• M14: 2,459,389 km (0.101 R)
• M15: 2,701,289 km (0.107 R)
• M16: 2,797,331 km (0.104 R)
• M17: 3,266,320 km (0.117 R)
• M18: 3,413,375 km (0.06 R)
• M19: 3,502,685 km (0.116 R)
• M20: 3,683,548 km (0.094 R)
• M21: 3,821,328 km (0.063 R)
• M22: 4,023,435 km (0.113 R)
• M23: 4,117,981 km (0.12 R)
• M24: 4,197,267 km (0.097 R)
• M25: 4,325,174 km (0.116 R)
• M26: 4,503,345 km (0.08 R)
• M27: 5,018,261 km (0.114 R)
• M28: 5,239,815 km (0.107 R)
• M29: 5,447,307 km (0.096 R)
• M30: 5,639,840 km (0.087 R)
• M31: 5,959,830 km (0.029 R)
• M32: 6,358,957 km (0.105 R)
• M33: 6,543,261 km (0.029 R)
• M34: 7,106,946 km (0.03 R)
• M35: 7,452,667 km (0.07 R)
• M36: 7,981,645 km (0.096 R)
• M37: 8,664,858 km (0.073 R)
• M38: 9,034,215 km (0.117 R)
• M39: 9,746,002 km (0.116 R)
• M40: 9,852,217 km (0.117 R)
• M41: 10,130,169 km (0.078 R)
• M42: 10,650,172 km (0.114 R)
• M43: 10,825,500 km (0.119 R)
• M44: 11,290,002 km (0.109 R)
• M45: 11,446,331 km (0.111 R)
• M46: 11,558,530 km (0.038 R)
• M47: 11,919,809 km (0.07 R)
• M48: 12,101,720 km (0.111 R)
• M49: 12,607,061 km (0.059 R)
• M50: 12,769,225 km (0.047 R)
• M51: 12,955,624 km (0.071 R)
• M52: 13,307,179 km (0.108 R)
• M53: 13,401,576 km (0.074 R)
• M54: 13,496,122 km (0.114 R)
• M55: 13,638,389 km (0.091 R)
• M56: 13,828,678 km (0.08 R)
• M57: 13,972,142 km (0.065 R)
• M58: 14,116,055 km (0.098 R)
• M59: 14,260,417 km (0.067 R)
• M60: 14,477,932 km (0.102 R)
• M61: 15,038,775 km (0.117 R)
• M62: 15,161,595 km (0.092 R)
• M63: 15,235,496 km (0.111 R)
• M64: 15,830,895 km (0.076 R)
• M65: 15,955,959 km (0.071 R)
• M66: 16,332,946 km (0.093 R)
• M67: 16,662,061 km (0.032 R)
• M68: 16,865,664 km (0.115 R)
• M69: 17,198,370 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.9

Radius: 11.9

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.23 AU - 3.69 AU

Year: 4156 Days

Day: 8.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 76,039,908 km

• M1: 207,193 km (0.1 R)
• M2: 523,593 km (0.071 R)
• M3: 604,525 km (0.119 R)
• M4: 708,346 km (0.094 R)
• M5: 800,199 km (0.104 R)
• M6: 1,112,559 km (0.105 R)
• M7: 1,346,082 km (0.107 R)
• M8: 1,463,067 km (0.074 R)
• M9: 1,608,177 km (0.037 R)
• M10: 1,913,357 km (0.117 R)
• M11: 2,046,050 km (0.078 R)
• M12: 2,405,683 km (0.055 R)
• M13: 2,534,936 km (0.102 R)
• M14: 2,681,392 km (0.088 R)
• M15: 3,184,639 km (0.11 R)
• M16: 3,311,199 km (0.086 R)
• M17: 3,585,711 km (0.116 R)
• M18: 3,884,458 km (0.059 R)
• M19: 4,260,847 km (0.118 R)
• M20: 4,348,062 km (0.064 R)
• M21: 4,488,834 km (0.083 R)
• M22: 4,829,318 km (0.07 R)
• M23: 6,174,951 km (0.082 R)
• M24: 6,333,525 km (0.094 R)
• M25: 6,858,314 km (0.076 R)
• M26: 7,418,259 km (0.089 R)
• M27: 7,565,912 km (0.102 R)
• M28: 7,671,828 km (0.114 R)
• M29: 7,949,780 km (0.107 R)
• M30: 8,296,548 km (0.103 R)
• M31: 8,471,727 km (0.082 R)
• M32: 8,759,255 km (0.083 R)
• M33: 8,870,555 km (0.108 R)
• M34: 9,389,062 km (0.116 R)
• M35: 9,848,028 km (0.029 R)
• M36: 9,940,779 km (0.046 R)
• M37: 10,244,013 km (0.078 R)
• M38: 10,550,240 km (0.091 R)
• M39: 11,365,549 km (0.117 R)
• M40: 12,002,686 km (0.086 R)
• M41: 12,525,830 km (0.118 R)
• M42: 12,626,359 km (0.043 R)
• M43: 12,828,167 km (0.082 R)
• M44: 12,929,445 km (0.107 R)
• M45: 13,491,484 km (0.087 R)
• M46: 13,594,557 km (0.08 R)
• M47: 14,165,871 km (0.118 R)
• M48: 14,401,937 km (0.093 R)
• M49: 14,665,678 km (0.073 R)
• M50: 14,745,264 km (0.068 R)
• M51: 15,601,562 km (0.1 R)
• M52: 17,111,154 km (0.092 R)
• M53: 18,039,110 km (0.069 R)
• M54: 18,580,804 km (0.071 R)
• M55: 18,810,436 km (0.106 R)
• M56: 19,446,975 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850.7

Radius: 4.1

Gravity: 50.61 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.95 AU - 10.39 AU

Year: 17930 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 76,039,908 km

• M1: 77,791 km (0.066 R)
• M2: 265,985 km (0.115 R)
• M3: 978,220 km (0.037 R)
• M4: 1,195,885 km (0.109 R)
• M5: 1,488,648 km (0.059 R)
• M6: 1,580,651 km (0.109 R)
• M7: 1,835,267 km (0.09 R)
• M8: 1,900,940 km (0.091 R)
• M9: 1,934,151 km (0.066 R)
• M10: 2,001,021 km (0.057 R)
• M11: 2,206,120 km (0.063 R)
• M12: 2,417,950 km (0.111 R)
• M13: 2,562,911 km (0.107 R)
• M14: 2,599,562 km (0.086 R)
• M15: 3,014,397 km (0.107 R)
• M16: 3,820,131 km (0.107 R)
• M17: 3,904,205 km (0.077 R)
• M18: 4,031,513 km (0.077 R)
• M19: 4,246,635 km (0.073 R)
• M20: 4,598,639 km (0.088 R)
• M21: 4,914,290 km (0.038 R)
• M22: 6,097,609 km (0.116 R)
• M23: 7,732,415 km (0.09 R)
• M24: 8,873,996 km (0.062 R)
• M25: 10,009,145 km (0.109 R)
• M26: 10,534,682 km (0.059 R)
• M27: 12,102,767 km (0.1 R)
• M28: 12,164,551 km (0.099 R)
• M29: 13,742,060 km (0.032 R)
• M30: 14,653,111 km (0.053 R)
• M31: 15,852,886 km (0.116 R)
• M32: 16,396,226 km (0.112 R)
• M33: 17,014,813 km (0.104 R)
• M34: 18,203,667 km (0.107 R)
• M35: 18,345,336 km (0.103 R)
• M36: 18,487,305 km (0.095 R)
• M37: 19,274,788 km (0.086 R)
• M38: 20,000,188 km (0.104 R)
• M39: 20,513,309 km (0.085 R)
• M40: 20,660,663 km (0.104 R)
• M41: 21,477,617 km (0.082 R)
• M42: 22,153,799 km (0.117 R)
• M43: 22,760,718 km (0.094 R)
• M44: 22,837,013 km (0.103 R)
• M45: 23,296,278 km (0.112 R)
• M46: 25,084,870 km (0.087 R)
• M47: 26,035,415 km (0.1 R)
• M48: 26,354,956 km (0.094 R)
• M49: 27,971,660 km (0.108 R)
• M50: 28,217,001 km (0.118 R)
• M51: 28,957,061 km (0.112 R)
• M52: 29,786,881 km (0.038 R)
• M53: 31,046,196 km (0.076 R)
• M54: 31,724,921 km (0.112 R)
• M55: 32,408,434 km (0.108 R)
• M56: 32,494,303 km (0.116 R)
• M57: 32,580,172 km (0.111 R)
• M58: 34,751,286 km (0.118 R)
• M59: 35,632,717 km (0.08 R)
• M60: 38,320,691 km (0.102 R)
• M61: 39,597,360 km (0.119 R)
• M62: 39,872,769 km (0.111 R)
• M63: 40,333,082 km (0.086 R)
• M64: 40,795,190 km (0.097 R)
• M65: 41,166,192 km (0.101 R)
• M66: 41,259,093 km (0.103 R)
• M67: 42,004,988 km (0.068 R)
• M68: 42,285,783 km (0.075 R)
• M69: 42,661,124 km (0.079 R)
• M70: 43,320,851 km (0.04 R)
• M71: 44,650,177 km (0.041 R)
• M72: 45,992,968 km (0.065 R)
• M73: 46,863,029 km (0.104 R)
• M74: 46,960,118 km (0.084 R)
• M75: 47,057,207 km (0.101 R)
• M76: 47,348,923 km (0.059 R)
• M77: 48,423,484 km (0.053 R)
• M78: 49,209,920 km (0.105 R)
• M79: 49,604,859 km (0.107 R)
• M80: 50,397,578 km (0.104 R)
• M81: 52,096,262 km (0.112 R)
• M82: 52,297,471 km (0.065 R)
• M83: 52,599,509 km (0.041 R)
• M84: 60,021,358 km (0.105 R)
• M85: 60,126,825 km (0.049 R)
• M86: 60,337,758 km (0.114 R)
• M87: 61,396,013 km (0.1 R)
• M88: 61,821,021 km (0.071 R)
• M89: 66,778,395 km (0.053 R)
• M90: 67,215,520 km (0.109 R)
• M91: 68,202,417 km (0.099 R)
• M92: 69,083,698 km (0.083 R)
• M93: 73,320,759 km (0.052 R)
• M94: 73,997,540 km (0.063 R)
• M95: 74,789,511 km (0.07 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 10,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit