🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.6 AU - 0.92 AU

Year: 240 Days

Day: 18.6 Hours

Environment

Temp: 142 °C

Axial Tilt: 28.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.78 AU - 0.78 AU

Year: 249 Days

Day: 37.6 Hours

Environment

Temp: 109 °C

Axial Tilt: 49 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 77,627,424 km

• M1: 570,865 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.83 AU - 1.17 AU

Year: 362 Days

Day: 34.1 Hours

Environment

Temp: 38 °C

Axial Tilt: 37 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.58 AU - 2.16 AU

Year: 925 Days

Day: 17.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 49.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.85 AU - 4.99 AU

Year: 3361 Days

Day: 35.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 14

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.55 AU - 10.09 AU

Year: 11129 Days

Day: 14.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 77,627,424 km

• M1: 333,603 km (0.098 R)
• M2: 467,194 km (0.091 R)
• M3: 613,202 km (0.104 R)
• M4: 1,078,002 km (0.116 R)
• M5: 1,202,617 km (0.101 R)
• M6: 1,450,202 km (0.11 R)
• M7: 1,696,739 km (0.104 R)
• M8: 1,919,341 km (0.117 R)
• M9: 2,623,797 km (0.112 R)
• M10: 2,795,685 km (0.048 R)
• M11: 3,357,126 km (0.045 R)
• M12: 3,591,695 km (0.059 R)
• M13: 3,711,074 km (0.084 R)
• M14: 4,404,012 km (0.104 R)
• M15: 4,583,679 km (0.106 R)
• M16: 5,056,857 km (0.091 R)
• M17: 5,299,355 km (0.05 R)
• M18: 5,656,595 km (0.111 R)
• M19: 5,796,020 km (0.107 R)
• M20: 6,893,619 km (0.11 R)
• M21: 7,193,114 km (0.072 R)
• M22: 7,558,133 km (0.09 R)
• M23: 7,804,970 km (0.117 R)
• M24: 9,840,398 km (0.105 R)
• M25: 10,211,999 km (0.103 R)
• M26: 11,744,031 km (0.068 R)
• M27: 12,138,222 km (0.047 R)
• M28: 12,427,694 km (0.038 R)
• M29: 13,050,320 km (0.035 R)
• M30: 13,272,473 km (0.046 R)
• M31: 13,758,367 km (0.058 R)
• M32: 14,326,090 km (0.096 R)
• M33: 14,440,682 km (0.112 R)
• M34: 15,917,064 km (0.106 R)
• M35: 16,154,625 km (0.074 R)
• M36: 16,793,857 km (0.031 R)
• M37: 17,116,540 km (0.054 R)
• M38: 17,238,013 km (0.075 R)
• M39: 18,552,380 km (0.057 R)
• M40: 18,677,294 km (0.117 R)
• M41: 19,559,323 km (0.119 R)
• M42: 21,276,707 km (0.11 R)
• M43: 21,407,455 km (0.101 R)
• M44: 22,374,606 km (0.106 R)
• M45: 23,535,784 km (0.05 R)
• M46: 23,716,199 km (0.086 R)
• M47: 24,716,710 km (0.072 R)
• M48: 25,222,051 km (0.11 R)
• M49: 25,314,353 km (0.045 R)
• M50: 26,243,057 km (0.099 R)
• M51: 26,617,650 km (0.116 R)
• M52: 26,899,792 km (0.07 R)
• M53: 27,372,371 km (0.051 R)
• M54: 27,847,494 km (0.08 R)
• M55: 29,580,885 km (0.061 R)
• M56: 30,068,424 km (0.084 R)
• M57: 32,045,659 km (0.095 R)
• M58: 32,747,572 km (0.043 R)
• M59: 32,848,252 km (0.115 R)
• M60: 33,049,910 km (0.031 R)
• M61: 33,404,008 km (0.094 R)
• M62: 33,911,743 km (0.105 R)
• M63: 34,064,632 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 9.3

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8 AU - 11.94 AU

Year: 11385 Days

Day: 5.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 77,627,424 km

• M1: 169,794 km (0.046 R)
• M2: 248,183 km (0.066 R)
• M3: 371,452 km (0.108 R)
• M4: 519,105 km (0.085 R)
• M5: 593,156 km (0.078 R)
• M6: 1,136,645 km (0.112 R)
• M7: 1,318,256 km (0.099 R)
• M8: 1,402,181 km (0.098 R)
• M9: 1,779,018 km (0.049 R)
• M10: 1,991,148 km (0.091 R)
• M11: 2,466,121 km (0.109 R)
• M12: 2,730,161 km (0.045 R)
• M13: 3,143,201 km (0.09 R)
• M14: 3,754,458 km (0.089 R)
• M15: 3,905,402 km (0.069 R)
• M16: 4,625,716 km (0.047 R)
• M17: 5,117,444 km (0.088 R)
• M18: 5,217,824 km (0.119 R)
• M19: 5,522,854 km (0.105 R)
• M20: 5,938,736 km (0.111 R)
• M21: 6,508,854 km (0.072 R)
• M22: 8,838,841 km (0.095 R)
• M23: 9,243,204 km (0.119 R)
• M24: 9,902,930 km (0.095 R)
• M25: 10,028,293 km (0.118 R)
• M26: 10,663,187 km (0.097 R)
• M27: 11,354,628 km (0.119 R)
• M28: 11,485,975 km (0.088 R)
• M29: 11,971,719 km (0.105 R)
• M30: 12,284,229 km (0.117 R)
• M31: 13,840,496 km (0.075 R)
• M32: 14,215,538 km (0.075 R)
• M33: 15,264,518 km (0.105 R)
• M34: 16,092,093 km (0.067 R)
• M35: 16,585,617 km (0.094 R)
• M36: 17,638,337 km (0.048 R)
• M37: 18,867,732 km (0.118 R)
• M38: 19,231,405 km (0.117 R)
• M39: 19,335,824 km (0.088 R)
• M40: 19,807,805 km (0.113 R)
• M41: 20,230,569 km (0.084 R)
• M42: 20,549,512 km (0.045 R)
• M43: 20,656,175 km (0.088 R)
• M44: 20,923,805 km (0.081 R)
• M45: 21,624,821 km (0.101 R)
• M46: 21,733,429 km (0.088 R)
• M47: 22,224,110 km (0.112 R)
• M48: 23,383,194 km (0.11 R)
• M49: 23,662,045 km (0.102 R)
• M50: 24,902,062 km (0.089 R)
• M51: 25,472,777 km (0.059 R)
• M52: 28,152,973 km (0.059 R)
• M53: 28,687,785 km (0.045 R)
• M54: 28,807,015 km (0.085 R)
• M55: 28,926,543 km (0.059 R)
• M56: 29,586,420 km (0.066 R)
• M57: 30,009,034 km (0.104 R)
• M58: 30,616,251 km (0.12 R)
• M59: 30,738,174 km (0.097 R)
• M60: 32,089,940 km (0.106 R)
• M61: 32,275,741 km (0.107 R)
• M62: 32,897,769 km (0.118 R)
• M63: 32,960,300 km (0.088 R)
• M64: 33,272,960 km (0.068 R)
• M65: 33,649,498 km (0.109 R)
• M66: 35,553,280 km (0.089 R)
• M67: 35,617,458 km (0.086 R)
• M68: 35,938,345 km (0.116 R)
• M69: 36,066,999 km (0.079 R)
• M70: 38,145,662 km (0.106 R)
• M71: 39,265,851 km (0.111 R)
• M72: 39,464,666 km (0.116 R)
• M73: 39,996,337 km (0.084 R)
• M74: 40,798,331 km (0.094 R)
• M75: 41,673,329 km (0.093 R)
• M76: 42,214,724 km (0.065 R)
• M77: 42,622,378 km (0.112 R)
• M78: 42,690,445 km (0.092 R)
• M79: 43,236,328 km (0.078 R)
• M80: 44,128,230 km (0.083 R)
• M81: 44,197,045 km (0.058 R)
• M82: 45,860,424 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.3

Radius: 4.7

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 10.33 AU - 16.27 AU

Year: 17542 Days

Day: 15.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 77,627,424 km

• M1: 88,712 km (0.087 R)
• M2: 300,093 km (0.12 R)
• M3: 952,938 km (0.067 R)
• M4: 1,075,758 km (0.112 R)
• M5: 1,269,488 km (0.057 R)
• M6: 1,404,874 km (0.039 R)
• M7: 1,474,287 km (0.051 R)
• M8: 1,863,690 km (0.081 R)
• M9: 3,054,789 km (0.113 R)
• M10: 3,114,927 km (0.086 R)
• M11: 3,205,882 km (0.091 R)
• M12: 4,671,642 km (0.109 R)
• M13: 4,741,056 km (0.12 R)
• M14: 4,880,780 km (0.111 R)
• M15: 5,128,664 km (0.065 R)
• M16: 6,084,893 km (0.062 R)
• M17: 6,622,099 km (0.108 R)
• M18: 6,700,040 km (0.088 R)
• M19: 6,739,085 km (0.08 R)
• M20: 7,054,736 km (0.082 R)
• M21: 7,134,322 km (0.094 R)
• M22: 7,741,241 km (0.114 R)
• M23: 8,196,767 km (0.052 R)
• M24: 8,406,652 km (0.066 R)
• M25: 8,874,744 km (0.1 R)
• M26: 8,917,679 km (0.11 R)
• M27: 9,526,542 km (0.045 R)
• M28: 9,658,787 km (0.079 R)
• M29: 9,747,348 km (0.107 R)
• M30: 10,510,148 km (0.087 R)
• M31: 10,646,880 km (0.086 R)
• M32: 12,523,885 km (0.106 R)
• M33: 13,204,705 km (0.117 R)
• M34: 14,097,355 km (0.102 R)
• M35: 14,348,829 km (0.097 R)
• M36: 14,703,376 km (0.066 R)
• M37: 14,805,103 km (0.071 R)
• M38: 15,060,766 km (0.07 R)
• M39: 15,112,078 km (0.064 R)
• M40: 15,524,519 km (0.108 R)
• M41: 15,836,131 km (0.119 R)
• M42: 15,888,341 km (0.043 R)
• M43: 15,992,760 km (0.101 R)
• M44: 16,202,497 km (0.04 R)
• M45: 17,641,329 km (0.038 R)
• M46: 17,912,251 km (0.112 R)
• M47: 18,568,088 km (0.112 R)
• M48: 19,510,554 km (0.101 R)
• M49: 19,622,454 km (0.1 R)
• M50: 19,846,850 km (0.08 R)
• M51: 20,185,091 km (0.1 R)
• M52: 20,696,117 km (0.105 R)
• M53: 20,810,261 km (0.103 R)
• M54: 21,153,887 km (0.11 R)
• M55: 21,557,203 km (0.115 R)
• M56: 22,021,106 km (0.049 R)
• M57: 23,077,117 km (0.09 R)
• M58: 24,209,573 km (0.078 R)
• M59: 24,631,289 km (0.105 R)
• M60: 25,055,549 km (0.116 R)
• M61: 25,665,609 km (0.069 R)
• M62: 26,157,337 km (0.106 R)
• M63: 26,218,972 km (0.105 R)
• M64: 27,650,773 km (0.104 R)
• M65: 28,725,334 km (0.113 R)
• M66: 30,719,773 km (0.075 R)
• M67: 30,784,848 km (0.117 R)
• M68: 31,045,597 km (0.109 R)
• M69: 31,307,094 km (0.072 R)
• M70: 32,758,343 km (0.096 R)
• M71: 32,891,336 km (0.09 R)
• M72: 33,224,640 km (0.119 R)
• M73: 35,931,314 km (0.095 R)
• M74: 36,687,980 km (0.1 R)
• M75: 37,449,733 km (0.083 R)
• M76: 39,412,606 km (0.042 R)
• M77: 41,696,367 km (0.105 R)
• M78: 41,912,686 km (0.109 R)
• M79: 42,636,440 km (0.12 R)
• M80: 45,127,694 km (0.076 R)
• M81: 45,720,700 km (0.115 R)
• M82: 46,390,898 km (0.08 R)
• M83: 49,943,399 km (0.113 R)
• M84: 50,096,437 km (0.067 R)
• M85: 50,633,494 km (0.032 R)
• M86: 51,635,949 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935

Radius: 4.5

Gravity: 46.17 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 11.75 AU - 14.95 AU

Year: 17641 Days

Day: 15.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 77,627,424 km

• M1: 145,409 km (0.087 R)
• M2: 309,069 km (0.081 R)
• M3: 344,374 km (0.078 R)
• M4: 653,443 km (0.115 R)
• M5: 699,968 km (0.049 R)
• M6: 1,492,538 km (0.057 R)
• M7: 1,944,473 km (0.054 R)
• M8: 2,509,055 km (0.04 R)
• M9: 2,886,042 km (0.04 R)
• M10: 3,320,923 km (0.113 R)
• M11: 3,566,712 km (0.101 R)
• M12: 3,946,541 km (0.094 R)
• M13: 4,652,943 km (0.114 R)
• M14: 4,743,898 km (0.04 R)
• M15: 5,113,854 km (0.063 R)
• M16: 5,445,213 km (0.086 R)
• M17: 6,531,144 km (0.117 R)
• M18: 6,838,717 km (0.064 R)
• M19: 7,521,033 km (0.089 R)
• M20: 7,951,576 km (0.119 R)
• M21: 8,006,029 km (0.114 R)
• M22: 8,668,299 km (0.115 R)
• M23: 9,233,480 km (0.114 R)
• M24: 9,290,776 km (0.1 R)
• M25: 9,694,241 km (0.117 R)
• M26: 9,810,628 km (0.112 R)
• M27: 9,986,107 km (0.042 R)
• M28: 10,878,458 km (0.12 R)
• M29: 13,444,809 km (0.111 R)
• M30: 15,434,760 km (0.057 R)
• M31: 16,951,234 km (0.062 R)
• M32: 19,753,800 km (0.038 R)
• M33: 20,495,207 km (0.093 R)
• M34: 22,158,137 km (0.091 R)
• M35: 22,234,732 km (0.098 R)
• M36: 22,388,219 km (0.08 R)
• M37: 23,005,609 km (0.08 R)
• M38: 23,942,242 km (0.085 R)
• M39: 24,099,619 km (0.073 R)
• M40: 26,337,902 km (0.111 R)
• M41: 26,581,597 km (0.1 R)
• M42: 26,907,720 km (0.099 R)
• M43: 27,235,190 km (0.118 R)
• M44: 27,728,863 km (0.06 R)
• M45: 27,976,747 km (0.064 R)
• M46: 28,059,624 km (0.055 R)
• M47: 29,059,686 km (0.08 R)
• M48: 30,411,153 km (0.107 R)
• M49: 31,008,796 km (0.049 R)
• M50: 31,438,142 km (0.117 R)
• M51: 32,650,633 km (0.085 R)
• M52: 33,087,309 km (0.097 R)
• M53: 33,262,638 km (0.115 R)
• M54: 35,121,092 km (0.12 R)
• M55: 38,476,572 km (0.107 R)
• M56: 39,030,234 km (0.065 R)
• M57: 40,613,279 km (0.05 R)
• M58: 41,271,210 km (0.108 R)
• M59: 42,312,262 km (0.105 R)
• M60: 44,419,946 km (0.099 R)
• M61: 44,613,227 km (0.095 R)
• M62: 44,903,746 km (0.114 R)
• M63: 45,876,581 km (0.074 R)
• M64: 47,348,773 km (0.11 R)
• M65: 49,836,735 km (0.104 R)
• M66: 50,742,700 km (0.096 R)
• M67: 51,654,200 km (0.093 R)
• M68: 52,060,957 km (0.105 R)
• M69: 52,366,735 km (0.072 R)
• M70: 52,673,111 km (0.039 R)
• M71: 53,287,809 km (0.117 R)
• M72: 54,420,713 km (0.081 R)
• M73: 54,834,651 km (0.094 R)
• M74: 55,145,814 km (0.057 R)
• M75: 55,978,326 km (0.093 R)
• M76: 57,761,383 km (0.099 R)
• M77: 60,417,045 km (0.061 R)
• M78: 61,275,288 km (0.117 R)
• M79: 61,490,559 km (0.087 R)
• M80: 61,813,691 km (0.106 R)
• M81: 62,029,560 km (0.098 R)
• M82: 64,638,697 km (0.096 R)
• M83: 68,619,197 km (0.096 R)
• M84: 69,066,345 km (0.064 R)
• M85: 70,413,623 km (0.054 R)
• M86: 70,977,458 km (0.066 R)
• M87: 71,316,596 km (0.107 R)
• M88: 71,769,578 km (0.032 R)
• M89: 72,109,914 km (0.066 R)
• M90: 72,678,236 km (0.11 R)
• M91: 73,705,076 km (0.109 R)
• M92: 74,392,328 km (0.082 R)
• M93: 74,851,743 km (0.12 R)
• M94: 76,466,802 km (0.049 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 16,883 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit