🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.8

Radius: 10.7

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.61 AU - 0.97 AU

Year: 485 Days

Day: 9.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,908,891 km

• M1: 133,142 km (0.109 R)
• M2: 508,782 km (0.049 R)
• M3: 1,006,046 km (0.101 R)
• M4: 1,358,797 km (0.119 R)
• M5: 2,264,912 km (0.066 R)
• M6: 2,745,271 km (0.068 R)
• M7: 3,762,536 km (0.101 R)
• M8: 4,317,095 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.2

Radius: 10.1

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.69 AU - 1.11 AU

Year: 589 Days

Day: 8.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,908,891 km

• M1: 125,662 km (0.09 R)
• M2: 463,305 km (0.105 R)
• M3: 781,948 km (0.073 R)
• M4: 1,243,458 km (0.115 R)
• M5: 1,609,673 km (0.095 R)
• M6: 1,942,229 km (0.098 R)
• M7: 2,461,633 km (0.064 R)
• M8: 2,838,919 km (0.079 R)
• M9: 3,393,777 km (0.065 R)
• M10: 4,224,644 km (0.096 R)
• M11: 5,921,981 km (0.117 R)
• M12: 6,344,894 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.9

Radius: 10.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.8 AU - 2.46 AU

Year: 2146 Days

Day: 7.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 29,908,891 km

• M1: 133,292 km (0.097 R)
• M2: 554,859 km (0.056 R)
• M3: 1,154,447 km (0.081 R)
• M4: 1,489,845 km (0.111 R)
• M5: 2,329,538 km (0.074 R)
• M6: 2,711,910 km (0.098 R)
• M7: 3,396,171 km (0.047 R)
• M8: 3,787,968 km (0.108 R)
• M9: 4,643,668 km (0.099 R)
• M10: 5,361,139 km (0.072 R)
• M11: 5,712,993 km (0.096 R)
• M12: 6,811,789 km (0.037 R)
• M13: 7,304,714 km (0.071 R)
• M14: 7,793,451 km (0.078 R)
• M15: 8,836,746 km (0.1 R)
• M16: 9,266,691 km (0.107 R)
• M17: 10,069,433 km (0.117 R)
• M18: 11,557,483 km (0.102 R)
• M19: 12,795,255 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.9

Radius: 10.9

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.15 AU - 3.21 AU

Year: 3914 Days

Day: 11.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,908,891 km

• M1: 135,835 km (0.079 R)
• M2: 886,517 km (0.099 R)
• M3: 1,280,558 km (0.115 R)
• M4: 2,375,913 km (0.107 R)
• M5: 3,007,067 km (0.107 R)
• M6: 4,480,755 km (0.102 R)
• M7: 4,882,426 km (0.045 R)
• M8: 9,136,840 km (0.107 R)
• M9: 9,661,330 km (0.109 R)
• M10: 12,058,785 km (0.071 R)
• M11: 12,839,387 km (0.106 R)
• M12: 13,601,438 km (0.083 R)
• M13: 24,464,338 km (0.097 R)
• M14: 28,087,898 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.6

Radius: 11.1

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.63 AU - 5.25 AU

Year: 6458 Days

Day: 5.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,908,891 km

• M1: 138,079 km (0.071 R)
• M2: 555,457 km (0.112 R)
• M3: 1,037,012 km (0.077 R)
• M4: 1,397,244 km (0.039 R)
• M5: 1,830,330 km (0.104 R)
• M6: 2,307,996 km (0.074 R)
• M7: 2,715,949 km (0.104 R)
• M8: 3,438,357 km (0.115 R)
• M9: 4,493,022 km (0.028 R)
• M10: 5,504,154 km (0.088 R)
• M11: 5,891,912 km (0.109 R)
• M12: 6,477,588 km (0.06 R)
• M13: 8,506,733 km (0.113 R)
• M14: 9,217,174 km (0.085 R)
• M15: 10,294,428 km (0.109 R)
• M16: 11,950,177 km (0.12 R)
• M17: 16,740,151 km (0.064 R)
• M18: 17,380,131 km (0.061 R)
• M19: 19,653,121 km (0.118 R)
• M20: 20,827,614 km (0.116 R)
• M21: 22,888,325 km (0.113 R)
• M22: 25,536,207 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 14.3

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.79 AU - 4.95 AU

Year: 7418 Days

Day: 14.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,908,891 km

• M1: 180,864 km (0.032 R)
• M2: 877,691 km (0.078 R)
• M3: 2,183,531 km (0.087 R)
• M4: 4,000,995 km (0.052 R)
• M5: 5,487,998 km (0.094 R)
• M6: 9,301,696 km (0.041 R)
• M7: 11,281,774 km (0.06 R)
• M8: 13,721,266 km (0.11 R)
• M9: 17,610,213 km (0.093 R)
• M10: 18,895,109 km (0.092 R)
• M11: 22,047,136 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.4

Radius: 9.3

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.52 AU - 5.22 AU

Year: 7418 Days

Day: 7.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 29,908,891 km

• M1: 115,789 km (0.065 R)
• M2: 420,071 km (0.099 R)
• M3: 986,149 km (0.091 R)
• M4: 1,297,014 km (0.089 R)
• M5: 1,649,317 km (0.106 R)
• M6: 2,418,998 km (0.111 R)
• M7: 3,369,542 km (0.102 R)
• M8: 3,795,298 km (0.097 R)
• M9: 4,137,877 km (0.088 R)
• M10: 4,780,998 km (0.057 R)
• M11: 5,319,850 km (0.046 R)
• M12: 5,809,185 km (0.091 R)
• M13: 6,328,439 km (0.105 R)
• M14: 7,216,152 km (0.053 R)
• M15: 8,297,595 km (0.036 R)
• M16: 8,681,164 km (0.099 R)
• M17: 10,031,285 km (0.113 R)
• M18: 10,778,975 km (0.092 R)
• M19: 11,610,740 km (0.055 R)
• M20: 12,785,532 km (0.09 R)
• M21: 13,194,233 km (0.111 R)
• M22: 14,527,748 km (0.071 R)
• M23: 16,363,015 km (0.087 R)
• M24: 18,219,375 km (0.102 R)
• M25: 19,465,226 km (0.097 R)
• M26: 20,143,353 km (0.105 R)
• M27: 21,474,924 km (0.092 R)
• M28: 23,848,893 km (0.071 R)
• M29: 24,861,371 km (0.119 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 19,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit