🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.8

Radius: 14.8

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.43 AU - 0.63 AU

Year: 257 Days

Day: 8 Hours

Environment

Temp: -145 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,517,669 km

• M1: 184,155 km (0.065 R)
• M2: 717,920 km (0.042 R)
• M3: 1,180,028 km (0.081 R)
• M4: 1,679,535 km (0.093 R)
• M5: 2,811,094 km (0.057 R)
• M6: 3,378,518 km (0.104 R)
• M7: 3,873,538 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.9

Radius: 14.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.73 AU - 1.09 AU

Year: 579 Days

Day: 6.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 56,517,669 km

• M1: 188,643 km (0.09 R)
• M2: 787,633 km (0.034 R)
• M3: 1,557,763 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.9

Radius: 9

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.97 AU - 1.49 AU

Year: 910 Days

Day: 6.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,517,669 km

• M1: 111,899 km (0.051 R)
• M2: 431,440 km (0.094 R)
• M3: 827,575 km (0.084 R)
• M4: 1,127,070 km (0.103 R)
• M5: 1,570,179 km (0.101 R)
• M6: 1,909,318 km (0.111 R)
• M7: 2,402,542 km (0.094 R)
• M8: 3,078,724 km (0.108 R)
• M9: 3,503,283 km (0.059 R)
• M10: 3,802,778 km (0.108 R)
• M11: 5,341,542 km (0.045 R)
• M12: 6,811,789 km (0.075 R)
• M13: 8,307,768 km (0.028 R)
• M14: 8,662,166 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 10.9

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.04 AU - 2.6 AU

Year: 2356 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,517,669 km

• M1: 135,984 km (0.053 R)
• M2: 484,398 km (0.104 R)
• M3: 1,015,022 km (0.062 R)
• M4: 1,532,181 km (0.076 R)
• M5: 1,887,476 km (0.07 R)
• M6: 2,389,826 km (0.088 R)
• M7: 2,743,326 km (0.089 R)
• M8: 3,421,154 km (0.061 R)
• M9: 4,021,041 km (0.099 R)
• M10: 5,169,205 km (0.09 R)
• M11: 6,136,953 km (0.118 R)
• M12: 8,429,092 km (0.075 R)
• M13: 8,822,235 km (0.049 R)
• M14: 9,405,069 km (0.101 R)
• M15: 9,797,464 km (0.074 R)
• M16: 10,169,514 km (0.077 R)
• M17: 10,583,002 km (0.106 R)
• M18: 11,241,382 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.5

Radius: 10.5

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.4 AU - 2.62 AU

Year: 2652 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,517,669 km

• M1: 130,599 km (0.099 R)
• M2: 650,302 km (0.103 R)
• M3: 1,009,786 km (0.083 R)
• M4: 1,451,847 km (0.117 R)
• M5: 2,044,105 km (0.115 R)
• M6: 3,022,924 km (0.108 R)
• M7: 3,362,811 km (0.1 R)
• M8: 4,540,146 km (0.057 R)
• M9: 5,855,410 km (0.101 R)
• M10: 6,951,065 km (0.109 R)
• M11: 7,547,811 km (0.053 R)
• M12: 9,414,493 km (0.071 R)
• M13: 10,247,903 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.6

Radius: 13.5

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.12 AU - 3.12 AU

Year: 2828 Days

Day: 9.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,517,669 km

• M1: 167,849 km (0.091 R)
• M2: 822,938 km (0.107 R)
• M3: 1,523,654 km (0.085 R)
• M4: 2,589,240 km (0.107 R)
• M5: 3,158,909 km (0.102 R)
• M6: 3,655,723 km (0.08 R)
• M7: 5,388,515 km (0.112 R)
• M8: 6,998,039 km (0.027 R)
• M9: 9,487,647 km (0.095 R)
• M10: 9,999,720 km (0.074 R)
• M11: 11,079,368 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.1

Radius: 13.3

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.28 AU - 6.3 AU

Year: 8114 Days

Day: 14.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,517,669 km

• M1: 169,494 km (0.052 R)
• M2: 656,435 km (0.073 R)
• M3: 8,223,844 km (0.091 R)
• M4: 10,266,603 km (0.099 R)
• M5: 11,100,312 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 9.7

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.57 AU - 5.65 AU

Year: 8861 Days

Day: 9.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,517,669 km

• M1: 120,576 km (0.077 R)
• M2: 474,375 km (0.045 R)
• M3: 968,796 km (0.09 R)
• M4: 1,880,595 km (0.06 R)
• M5: 2,211,805 km (0.081 R)
• M6: 3,401,706 km (0.095 R)
• M7: 4,385,611 km (0.105 R)
• M8: 5,515,673 km (0.064 R)
• M9: 6,566,150 km (0.051 R)
• M10: 7,139,110 km (0.089 R)
• M11: 9,245,148 km (0.102 R)
• M12: 11,845,758 km (0.116 R)
• M13: 13,283,543 km (0.056 R)
• M14: 14,898,602 km (0.108 R)
• M15: 17,061,338 km (0.079 R)
• M16: 17,633,101 km (0.117 R)
• M17: 21,090,607 km (0.119 R)
• M18: 29,312,805 km (0.104 R)
• M19: 29,823,832 km (0.091 R)
• M20: 30,133,200 km (0.073 R)
• M21: 33,125,157 km (0.077 R)
• M22: 39,817,418 km (0.073 R)
• M23: 40,444,233 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.8

Radius: 7.7

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.47 AU - 7.07 AU

Year: 11747 Days

Day: 23 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,517,669 km

• M1: 95,743 km (0.029 R)
• M2: 435,928 km (0.108 R)
• M3: 755,768 km (0.118 R)
• M4: 1,042,398 km (0.071 R)
• M5: 1,457,682 km (0.093 R)
• M6: 1,712,447 km (0.091 R)
• M7: 2,930,622 km (0.12 R)
• M8: 4,099,281 km (0.098 R)
• M9: 4,836,798 km (0.11 R)
• M10: 6,180,935 km (0.06 R)
• M11: 7,022,274 km (0.104 R)
• M12: 7,448,927 km (0.107 R)
• M13: 8,260,196 km (0.101 R)
• M14: 8,930,843 km (0.098 R)
• M15: 9,689,304 km (0.108 R)
• M16: 10,599,757 km (0.117 R)
• M17: 14,203,869 km (0.055 R)
• M18: 16,390,691 km (0.1 R)
• M19: 17,294,411 km (0.112 R)
• M20: 17,836,554 km (0.1 R)
• M21: 22,407,667 km (0.082 R)
• M22: 24,378,020 km (0.098 R)
• M23: 26,055,461 km (0.104 R)
• M24: 29,859,137 km (0.094 R)
• M25: 35,608,931 km (0.114 R)
• M26: 36,108,588 km (0.12 R)
• M27: 38,153,740 km (0.118 R)
• M28: 39,337,508 km (0.09 R)
• M29: 39,603,942 km (0.08 R)
• M30: 43,460,276 km (0.119 R)
• M31: 43,887,677 km (0.115 R)
• M32: 48,623,347 km (0.102 R)
• M33: 49,084,109 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 192 - 14,868 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit