🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.4

Radius: 10.8

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 13.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,275,401 km

• M1: 134,339 km (0.091 R)
• M2: 569,070 km (0.072 R)
• M3: 1,234,781 km (0.08 R)
• M4: 1,570,778 km (0.088 R)
• M5: 2,162,138 km (0.12 R)
• M6: 2,721,634 km (0.116 R)
• M7: 3,711,972 km (0.115 R)
• M8: 4,082,975 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.9

Radius: 9.5

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.84 AU - 1.06 AU

Year: 628 Days

Day: 6.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,275,401 km

• M1: 118,182 km (0.114 R)
• M2: 437,424 km (0.027 R)
• M3: 792,270 km (0.117 R)
• M4: 1,101,340 km (0.112 R)
• M5: 1,751,641 km (0.077 R)
• M6: 2,153,910 km (0.12 R)
• M7: 2,508,756 km (0.077 R)
• M8: 3,619,221 km (0.101 R)
• M9: 4,323,378 km (0.05 R)
• M10: 6,340,407 km (0.089 R)
• M11: 7,317,879 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.1

Radius: 10.2

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.22 AU - 1.24 AU

Year: 925 Days

Day: 12 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,275,401 km

• M1: 126,859 km (0.096 R)
• M2: 482,902 km (0.083 R)
• M3: 859,440 km (0.093 R)
• M4: 1,460,674 km (0.08 R)
• M5: 1,895,405 km (0.109 R)
• M6: 2,302,162 km (0.097 R)
• M7: 2,805,110 km (0.053 R)
• M8: 3,152,326 km (0.113 R)
• M9: 4,015,805 km (0.057 R)
• M10: 4,512,021 km (0.097 R)
• M11: 4,934,336 km (0.104 R)
• M12: 5,773,879 km (0.118 R)
• M13: 6,117,805 km (0.106 R)
• M14: 6,612,974 km (0.059 R)
• M15: 7,281,826 km (0.073 R)
• M16: 8,047,917 km (0.073 R)

Asteroid Belt

Center: 1.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.3

Radius: 9.2

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.65 AU - 2.13 AU

Year: 1762 Days

Day: 5.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,275,401 km

• M1: 117,584 km (0.102 R)
• M2: 414,835 km (0.067 R)
• M3: 1,220,120 km (0.103 R)
• M4: 2,142,092 km (0.046 R)
• M5: 2,528,802 km (0.104 R)
• M6: 2,923,890 km (0.103 R)
• M7: 3,304,617 km (0.101 R)
• M8: 4,102,572 km (0.09 R)
• M9: 5,690,404 km (0.089 R)
• M10: 6,350,729 km (0.073 R)
• M11: 6,766,312 km (0.106 R)
• M12: 7,317,131 km (0.098 R)
• M13: 9,343,733 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.3

Radius: 12.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.25 AU - 4.37 AU

Year: 5044 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,275,401 km

• M1: 164,408 km (0.088 R)
• M2: 647,160 km (0.113 R)
• M3: 1,096,253 km (0.086 R)
• M4: 1,727,107 km (0.06 R)
• M5: 2,395,660 km (0.048 R)
• M6: 2,829,494 km (0.092 R)
• M7: 3,402,604 km (0.046 R)
• M8: 5,122,680 km (0.107 R)
• M9: 5,600,495 km (0.1 R)
• M10: 6,108,081 km (0.091 R)
• M11: 8,067,963 km (0.09 R)
• M12: 9,261,006 km (0.043 R)
• M13: 9,683,769 km (0.109 R)
• M14: 10,156,349 km (0.068 R)
• M15: 10,720,632 km (0.097 R)
• M16: 11,667,288 km (0.093 R)
• M17: 12,668,696 km (0.098 R)
• M18: 14,370,521 km (0.055 R)
• M19: 15,227,866 km (0.088 R)
• M20: 16,423,602 km (0.101 R)
• M21: 17,627,267 km (0.104 R)
• M22: 18,832,876 km (0.062 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.9

Radius: 4.3

Gravity: 37.26 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.3 AU - 9.28 AU

Year: 16189 Days

Day: 23.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,275,401 km

• M1: 65,075 km (0.117 R)
• M2: 216,319 km (0.094 R)
• M3: 367,113 km (0.109 R)
• M4: 598,840 km (0.111 R)
• M5: 847,921 km (0.11 R)
• M6: 991,086 km (0.089 R)
• M7: 2,474,498 km (0.097 R)
• M8: 3,038,482 km (0.101 R)
• M9: 5,766,400 km (0.077 R)
• M10: 9,090,165 km (0.042 R)
• M11: 13,163,117 km (0.086 R)
• M12: 13,849,322 km (0.039 R)
• M13: 14,631,420 km (0.099 R)
• M14: 23,235,691 km (0.065 R)
• M15: 27,520,024 km (0.093 R)
• M16: 31,088,382 km (0.109 R)
• M17: 37,882,070 km (0.083 R)
• M18: 40,539,976 km (0.11 R)
• M19: 40,826,755 km (0.117 R)
• M20: 42,134,091 km (0.099 R)
• M21: 57,315,283 km (0.109 R)
• M22: 62,703,499 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.7

Radius: 6.7

Gravity: 20.91 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 8.34 AU - 9.34 AU

Year: 17827 Days

Day: 23.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 78,275,401 km

• M1: 101,128 km (0.092 R)
• M2: 326,722 km (0.092 R)
• M3: 1,538,465 km (0.079 R)
• M4: 2,842,509 km (0.114 R)
• M5: 3,266,320 km (0.112 R)
• M6: 4,011,916 km (0.077 R)
• M7: 5,551,577 km (0.113 R)
• M8: 6,213,847 km (0.082 R)
• M9: 7,793,899 km (0.068 R)
• M10: 9,395,644 km (0.028 R)
• M11: 9,798,810 km (0.099 R)
• M12: 11,658,611 km (0.104 R)
• M13: 12,056,840 km (0.097 R)
• M14: 16,060,827 km (0.098 R)
• M15: 16,637,228 km (0.04 R)
• M16: 21,656,087 km (0.062 R)
• M17: 22,156,941 km (0.053 R)
• M18: 22,461,223 km (0.044 R)
• M19: 23,181,985 km (0.074 R)
• M20: 25,326,022 km (0.051 R)
• M21: 25,770,178 km (0.067 R)
• M22: 26,559,905 km (0.068 R)
• M23: 28,905,001 km (0.119 R)
• M24: 31,768,604 km (0.105 R)
• M25: 32,545,615 km (0.071 R)
• M26: 33,335,193 km (0.11 R)
• M27: 34,002,848 km (0.064 R)
• M28: 37,619,377 km (0.106 R)
• M29: 40,872,981 km (0.039 R)
• M30: 42,881,182 km (0.106 R)
• M31: 44,631,178 km (0.114 R)
• M32: 56,517,178 km (0.088 R)
• M33: 57,085,351 km (0.093 R)
• M34: 58,040,683 km (0.115 R)
• M35: 69,262,617 km (0.102 R)
• M36: 69,696,002 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 19,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit