🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566

Radius: 10.6

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.48 AU - 0.7 AU

Year: 313 Days

Day: 9.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,815,336 km

• M1: 131,945 km (0.118 R)
• M2: 462,108 km (0.08 R)
• M3: 864,676 km (0.112 R)
• M4: 1,267,842 km (0.063 R)
• M5: 2,252,346 km (0.046 R)
• M6: 3,238,644 km (0.106 R)
• M7: 3,847,358 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 11.5

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.78 AU - 0.86 AU

Year: 513 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,815,336 km

• M1: 143,016 km (0.112 R)
• M2: 543,938 km (0.115 R)
• M3: 926,011 km (0.117 R)
• M4: 1,628,373 km (0.055 R)
• M5: 2,058,467 km (0.114 R)
• M6: 2,522,519 km (0.057 R)
• M7: 3,140,059 km (0.053 R)
• M8: 4,275,657 km (0.091 R)
• M9: 4,677,925 km (0.091 R)
• M10: 5,434,143 km (0.104 R)
• M11: 5,982,269 km (0.119 R)
• M12: 6,627,634 km (0.099 R)
• M13: 7,340,618 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.9

Radius: 8.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.11 AU - 1.23 AU

Year: 874 Days

Day: 8.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,815,336 km

• M1: 107,112 km (0.083 R)
• M2: 585,825 km (0.098 R)
• M3: 1,032,525 km (0.066 R)
• M4: 2,017,926 km (0.067 R)
• M5: 3,155,617 km (0.095 R)
• M6: 4,481,503 km (0.115 R)
• M7: 4,828,570 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.6

Radius: 13.3

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.32 AU - 1.52 AU

Year: 1168 Days

Day: 13.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 78,815,336 km

• M1: 165,605 km (0.107 R)
• M2: 645,964 km (0.114 R)
• M3: 1,607,429 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 11.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.57 AU - 2.85 AU

Year: 3079 Days

Day: 5.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,815,336 km

• M1: 147,354 km (0.102 R)
• M2: 570,117 km (0.089 R)
• M3: 1,105,379 km (0.074 R)
• M4: 1,536,669 km (0.065 R)
• M5: 2,145,981 km (0.086 R)
• M6: 2,830,392 km (0.052 R)
• M7: 4,347,613 km (0.078 R)
• M8: 4,817,500 km (0.081 R)
• M9: 6,019,968 km (0.051 R)
• M10: 6,897,060 km (0.118 R)
• M11: 7,954,717 km (0.047 R)
• M12: 8,834,203 km (0.089 R)
• M13: 9,261,305 km (0.094 R)
• M14: 9,739,719 km (0.074 R)
• M15: 10,626,685 km (0.108 R)
• M16: 12,384,011 km (0.113 R)
• M17: 12,784,634 km (0.096 R)
• M18: 13,378,388 km (0.119 R)
• M19: 14,522,961 km (0.113 R)
• M20: 15,525,566 km (0.045 R)
• M21: 16,466,986 km (0.077 R)
• M22: 18,636,903 km (0.091 R)
• M23: 20,002,432 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572

Radius: 10.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.49 AU - 4.99 AU

Year: 6026 Days

Day: 12.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,815,336 km

• M1: 129,402 km (0.092 R)
• M2: 484,996 km (0.12 R)
• M3: 1,075,609 km (0.109 R)
• M4: 1,767,200 km (0.072 R)
• M5: 2,244,267 km (0.049 R)
• M6: 2,591,634 km (0.102 R)
• M7: 3,170,577 km (0.086 R)
• M8: 3,676,517 km (0.036 R)
• M9: 4,043,182 km (0.085 R)
• M10: 4,613,299 km (0.073 R)
• M11: 5,350,218 km (0.09 R)
• M12: 5,702,072 km (0.034 R)
• M13: 7,997,652 km (0.103 R)
• M14: 8,656,331 km (0.105 R)
• M15: 9,561,847 km (0.11 R)
• M16: 12,352,296 km (0.096 R)
• M17: 13,878,494 km (0.07 R)
• M18: 15,526,763 km (0.097 R)
• M19: 17,049,071 km (0.115 R)
• M20: 18,270,986 km (0.076 R)
• M21: 18,802,657 km (0.088 R)
• M22: 20,601,871 km (0.117 R)
• M23: 21,764,545 km (0.105 R)
• M24: 25,432,685 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.4

Radius: 8.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.59 AU - 4.99 AU

Year: 7236 Days

Day: 12.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,815,336 km

• M1: 109,057 km (0.051 R)
• M2: 481,256 km (0.111 R)
• M3: 750,084 km (0.045 R)
• M4: 1,059,153 km (0.091 R)
• M5: 1,655,450 km (0.106 R)
• M6: 2,072,678 km (0.07 R)
• M7: 2,558,872 km (0.107 R)
• M8: 2,929,874 km (0.046 R)
• M9: 3,522,282 km (0.062 R)
• M10: 3,847,358 km (0.119 R)
• M11: 4,787,132 km (0.075 R)
• M12: 5,754,132 km (0.092 R)
• M13: 6,393,663 km (0.098 R)
• M14: 7,528,662 km (0.114 R)
• M15: 7,923,002 km (0.104 R)
• M16: 8,444,949 km (0.082 R)
• M17: 11,592,638 km (0.119 R)
• M18: 16,618,678 km (0.105 R)
• M19: 19,073,130 km (0.082 R)
• M20: 23,913,668 km (0.097 R)
• M21: 24,766,675 km (0.097 R)
• M22: 26,615,556 km (0.092 R)
• M23: 27,195,995 km (0.114 R)
• M24: 28,040,026 km (0.112 R)
• M25: 29,075,543 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.8

Radius: 4.6

Gravity: 44.79 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.24 AU - 8.5 AU

Year: 12429 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,815,336 km

• M1: 58,942 km (0.043 R)
• M2: 500,704 km (0.089 R)
• M3: 878,439 km (0.05 R)
• M4: 1,859,651 km (0.087 R)
• M5: 2,546,605 km (0.088 R)
• M6: 3,495,953 km (0.099 R)
• M7: 4,402,815 km (0.111 R)
• M8: 6,922,193 km (0.038 R)
• M9: 10,603,048 km (0.075 R)
• M10: 11,301,970 km (0.068 R)
• M11: 12,726,740 km (0.105 R)
• M12: 14,617,507 km (0.107 R)
• M13: 14,973,700 km (0.064 R)
• M14: 15,262,872 km (0.06 R)
• M15: 18,280,411 km (0.108 R)
• M16: 18,694,049 km (0.092 R)
• M17: 19,711,913 km (0.106 R)
• M18: 23,468,166 km (0.12 R)
• M19: 24,752,015 km (0.12 R)
• M20: 25,667,853 km (0.098 R)
• M21: 26,395,497 km (0.108 R)
• M22: 27,458,839 km (0.11 R)
• M23: 41,667,645 km (0.071 R)
• M24: 42,096,093 km (0.087 R)
• M25: 49,039,229 km (0.111 R)
• M26: 49,837,035 km (0.116 R)
• M27: 52,780,522 km (0.118 R)
• M28: 53,282,124 km (0.099 R)
• M29: 54,294,752 km (0.081 R)
• M30: 59,732,186 km (0.068 R)
• M31: 60,824,998 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.1

Radius: 7.5

Gravity: 9.62 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.98 AU - 7.54 AU

Year: 13503 Days

Day: 19.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 78,815,336 km

• M1: 93,798 km (0.083 R)
• M2: 565,630 km (0.043 R)
• M3: 2,551,840 km (0.107 R)
• M4: 2,874,972 km (0.115 R)
• M5: 3,249,565 km (0.052 R)
• M6: 3,656,471 km (0.096 R)
• M7: 3,955,517 km (0.109 R)
• M8: 4,759,456 km (0.081 R)
• M9: 5,017,363 km (0.107 R)
• M10: 6,106,735 km (0.113 R)
• M11: 7,560,527 km (0.094 R)
• M12: 7,823,520 km (0.097 R)
• M13: 8,461,106 km (0.094 R)
• M14: 10,259,422 km (0.058 R)
• M15: 12,724,196 km (0.111 R)
• M16: 13,034,163 km (0.058 R)
• M17: 13,863,983 km (0.091 R)
• M18: 14,192,500 km (0.114 R)
• M19: 17,385,816 km (0.101 R)
• M20: 18,707,513 km (0.111 R)
• M21: 19,433,661 km (0.054 R)
• M22: 20,942,206 km (0.112 R)
• M23: 21,462,059 km (0.1 R)
• M24: 24,762,936 km (0.073 R)
• M25: 26,634,554 km (0.072 R)
• M26: 28,810,755 km (0.115 R)
• M27: 29,778,653 km (0.119 R)
• M28: 32,121,206 km (0.104 R)
• M29: 36,169,773 km (0.055 R)
• M30: 40,279,376 km (0.107 R)
• M31: 41,760,844 km (0.065 R)
• M32: 43,278,514 km (0.052 R)
• M33: 45,262,631 km (0.06 R)
• M34: 45,695,567 km (0.048 R)
• M35: 45,985,637 km (0.06 R)
• M36: 47,010,832 km (0.049 R)
• M37: 50,332,204 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.6

Radius: 5.7

Gravity: 26.37 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.07 AU - 10.07 AU

Year: 18855 Days

Day: 16.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,815,336 km

• M1: 71,209 km (0.076 R)
• M2: 347,366 km (0.098 R)
• M3: 700,866 km (0.113 R)
• M4: 955,930 km (0.102 R)
• M5: 1,316,162 km (0.101 R)
• M6: 1,536,221 km (0.087 R)
• M7: 2,327,144 km (0.114 R)
• M8: 3,084,708 km (0.107 R)
• M9: 3,806,368 km (0.113 R)
• M10: 4,027,324 km (0.115 R)
• M11: 5,301,898 km (0.05 R)
• M12: 7,390,883 km (0.098 R)
• M13: 9,449,050 km (0.096 R)
• M14: 9,796,267 km (0.086 R)
• M15: 16,825,871 km (0.085 R)
• M16: 17,079,738 km (0.117 R)
• M17: 18,837,962 km (0.094 R)
• M18: 20,424,298 km (0.108 R)
• M19: 21,996,871 km (0.074 R)
• M20: 23,754,347 km (0.095 R)
• M21: 26,505,601 km (0.096 R)
• M22: 29,462,104 km (0.045 R)
• M23: 30,078,746 km (0.043 R)
• M24: 42,074,102 km (0.089 R)
• M25: 43,329,378 km (0.098 R)
• M26: 58,244,435 km (0.098 R)
• M27: 62,798,493 km (0.111 R)
• M28: 63,614,101 km (0.078 R)
• M29: 69,304,355 km (0.034 R)
• M30: 73,505,961 km (0.095 R)
• M31: 75,784,037 km (0.135 R)
• M32: 77,640,098 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 18,374 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit