🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.2

Radius: 10.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.84 AU - 0.92 AU

Year: 542 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 155.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,274,191 km

• M1: 126,560 km (0.112 R)
• M2: 498,011 km (0.092 R)
• M3: 886,517 km (0.053 R)
• M4: 1,230,143 km (0.112 R)
• M5: 1,914,703 km (0.119 R)
• M6: 2,884,397 km (0.052 R)
• M7: 3,534,848 km (0.091 R)
• M8: 3,859,326 km (0.027 R)
• M9: 4,515,313 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.4

Radius: 9.9

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.67 AU - 1.11 AU

Year: 551 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,274,191 km

• M1: 123,269 km (0.092 R)
• M2: 457,919 km (0.116 R)
• M3: 918,531 km (0.092 R)
• M4: 1,317,808 km (0.054 R)
• M5: 1,655,001 km (0.088 R)
• M6: 1,987,707 km (0.097 R)
• M7: 2,657,756 km (0.101 R)
• M8: 3,093,983 km (0.052 R)
• M9: 3,445,688 km (0.101 R)
• M10: 3,754,458 km (0.084 R)
• M11: 4,140,570 km (0.038 R)
• M12: 4,712,931 km (0.108 R)
• M13: 5,390,310 km (0.091 R)
• M14: 5,901,935 km (0.096 R)
• M15: 7,065,358 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 14.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.84 AU - 1.06 AU

Year: 607 Days

Day: 7.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 69,274,191 km

• M1: 183,257 km (0.069 R)
• M2: 1,091,765 km (0.115 R)
• M3: 1,664,127 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.5

Radius: 11.2

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.94 AU - 1.26 AU

Year: 757 Days

Day: 8.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,274,191 km

• M1: 160,070 km (0.115 R)
• M2: 650,601 km (0.091 R)
• M3: 1,247,347 km (0.082 R)
• M4: 1,743,713 km (0.077 R)
• M5: 3,632,835 km (0.075 R)
• M6: 4,890,354 km (0.064 R)
• M7: 5,331,668 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.4

Radius: 9.1

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.77 AU - 2.73 AU

Year: 2214 Days

Day: 12.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,274,191 km

• M1: 113,096 km (0.067 R)
• M2: 447,597 km (0.082 R)
• M3: 853,605 km (0.07 R)
• M4: 1,287,589 km (0.094 R)
• M5: 1,747,154 km (0.088 R)
• M6: 2,416,754 km (0.11 R)
• M7: 2,862,256 km (0.103 R)
• M8: 3,296,389 km (0.09 R)
• M9: 3,702,996 km (0.092 R)
• M10: 5,351,116 km (0.101 R)
• M11: 5,841,797 km (0.077 R)
• M12: 7,639,365 km (0.096 R)
• M13: 8,171,185 km (0.108 R)
• M14: 8,886,413 km (0.102 R)
• M15: 9,177,381 km (0.098 R)
• M16: 9,642,630 km (0.077 R)
• M17: 11,283,120 km (0.052 R)
• M18: 13,101,931 km (0.073 R)
• M19: 15,337,821 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.8

Radius: 14.2

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.79 AU - 3.79 AU

Year: 3915 Days

Day: 14.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 96.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,274,191 km

• M1: 176,825 km (0.05 R)
• M2: 648,507 km (0.087 R)
• M3: 1,128,417 km (0.063 R)
• M4: 1,892,862 km (0.03 R)
• M5: 2,365,890 km (0.107 R)
• M6: 5,092,910 km (0.033 R)
• M7: 5,888,023 km (0.063 R)
• M8: 6,646,783 km (0.109 R)
• M9: 7,375,025 km (0.095 R)
• M10: 7,922,853 km (0.036 R)
• M11: 8,777,655 km (0.109 R)
• M12: 10,793,337 km (0.054 R)
• M13: 11,714,860 km (0.112 R)
• M14: 12,328,061 km (0.111 R)
• M15: 20,127,047 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.1

Radius: 14.9

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.02 AU - 6.06 AU

Year: 8554 Days

Day: 6.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,274,191 km

• M1: 186,549 km (0.113 R)
• M2: 688,749 km (0.025 R)
• M3: 1,180,327 km (0.105 R)
• M4: 1,670,709 km (0.104 R)
• M5: 3,243,880 km (0.108 R)
• M6: 3,839,729 km (0.104 R)
• M7: 5,226,202 km (0.082 R)
• M8: 5,746,353 km (0.119 R)
• M9: 6,891,376 km (0.079 R)
• M10: 11,483,731 km (0.108 R)
• M11: 13,086,074 km (0.064 R)
• M12: 14,776,230 km (0.096 R)
• M13: 15,468,121 km (0.097 R)
• M14: 19,054,580 km (0.102 R)
• M15: 19,874,975 km (0.054 R)
• M16: 20,718,707 km (0.068 R)
• M17: 22,780,315 km (0.09 R)
• M18: 26,543,449 km (0.087 R)
• M19: 27,308,643 km (0.114 R)
• M20: 28,616,726 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.7

Radius: 4.3

Gravity: 38.92 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.77 AU - 9.71 AU

Year: 16950 Days

Day: 19.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,274,191 km

• M1: 57,595 km (0.099 R)
• M2: 231,428 km (0.093 R)
• M3: 387,608 km (0.089 R)
• M4: 1,242,261 km (0.065 R)
• M5: 1,885,232 km (0.08 R)
• M6: 2,563,808 km (0.059 R)
• M7: 2,798,228 km (0.098 R)
• M8: 3,588,255 km (0.103 R)
• M9: 4,034,505 km (0.118 R)
• M10: 5,367,272 km (0.081 R)
• M11: 7,194,461 km (0.116 R)
• M12: 8,097,882 km (0.1 R)
• M13: 8,602,626 km (0.052 R)
• M14: 9,074,607 km (0.115 R)
• M15: 9,398,636 km (0.069 R)
• M16: 9,842,792 km (0.06 R)
• M17: 10,475,890 km (0.034 R)
• M18: 10,653,313 km (0.114 R)
• M19: 16,791,314 km (0.097 R)
• M20: 18,627,927 km (0.049 R)
• M21: 22,694,446 km (0.086 R)
• M22: 26,871,069 km (0.091 R)
• M23: 30,680,279 km (0.11 R)
• M24: 31,287,048 km (0.047 R)
• M25: 36,028,702 km (0.107 R)
• M26: 48,196,993 km (0.096 R)
• M27: 49,016,640 km (0.106 R)
• M28: 49,347,102 km (0.108 R)
• M29: 58,099,325 km (0.052 R)
• M30: 63,229,335 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 17,517 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit