🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599

Radius: 13.6

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.17 AU - 1.93 AU

Year: 1227 Days

Day: 11.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,845,456 km

• M1: 169,195 km (0.076 R)
• M2: 619,036 km (0.108 R)
• M3: 1,562,699 km (0.105 R)
• M4: 2,003,863 km (0.115 R)
• M5: 2,625,742 km (0.114 R)
• M6: 3,160,704 km (0.035 R)
• M7: 3,597,829 km (0.118 R)
• M8: 4,261,445 km (0.101 R)
• M9: 4,835,003 km (0.102 R)
• M10: 5,686,813 km (0.089 R)
• M11: 6,338,761 km (0.076 R)
• M12: 7,510,561 km (0.089 R)
• M13: 8,323,775 km (0.06 R)
• M14: 9,488,395 km (0.082 R)
• M15: 10,187,765 km (0.112 R)
• M16: 10,791,242 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.8

Radius: 12.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.49 AU - 1.93 AU

Year: 1422 Days

Day: 14.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,845,456 km

• M1: 156,629 km (0.11 R)
• M2: 678,127 km (0.089 R)
• M3: 1,175,091 km (0.117 R)
• M4: 1,907,074 km (0.073 R)
• M5: 2,665,236 km (0.099 R)
• M6: 3,469,623 km (0.051 R)
• M7: 4,926,407 km (0.068 R)
• M8: 6,576,622 km (0.067 R)
• M9: 7,082,562 km (0.106 R)

Asteroid Belt

Center: 3.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.8

Radius: 9.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.04 AU - 6.18 AU

Year: 7345 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,845,456 km

• M1: 114,442 km (0.104 R)
• M2: 448,046 km (0.049 R)
• M3: 1,364,183 km (0.117 R)
• M4: 2,365,142 km (0.113 R)
• M5: 3,090,243 km (0.12 R)
• M6: 6,322,604 km (0.088 R)
• M7: 6,924,137 km (0.1 R)
• M8: 8,087,111 km (0.046 R)
• M9: 10,518,974 km (0.12 R)
• M10: 11,508,564 km (0.118 R)
• M11: 13,781,255 km (0.112 R)
• M12: 17,277,058 km (0.097 R)
• M13: 18,185,865 km (0.086 R)
• M14: 19,263,269 km (0.088 R)
• M15: 20,311,202 km (0.111 R)
• M16: 21,030,768 km (0.083 R)
• M17: 22,217,229 km (0.101 R)
• M18: 23,526,210 km (0.054 R)
• M19: 24,480,495 km (0.12 R)
• M20: 30,289,081 km (0.109 R)
• M21: 32,672,624 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 9.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.36 AU - 6.68 AU

Year: 8246 Days

Day: 11.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,845,456 km

• M1: 121,324 km (0.1 R)
• M2: 1,380,190 km (0.092 R)
• M3: 1,731,446 km (0.106 R)
• M4: 2,747,814 km (0.109 R)
• M5: 3,805,471 km (0.071 R)
• M6: 4,170,639 km (0.074 R)
• M7: 4,859,238 km (0.101 R)
• M8: 5,408,861 km (0.11 R)
• M9: 6,064,249 km (0.098 R)
• M10: 8,189,885 km (0.057 R)
• M11: 9,932,102 km (0.106 R)
• M12: 12,166,346 km (0.07 R)
• M13: 16,241,990 km (0.042 R)
• M14: 18,968,112 km (0.05 R)
• M15: 20,996,360 km (0.088 R)
• M16: 21,754,522 km (0.057 R)
• M17: 26,428,857 km (0.075 R)
• M18: 29,608,111 km (0.108 R)
• M19: 30,948,359 km (0.056 R)
• M20: 32,228,617 km (0.104 R)
• M21: 34,370,859 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.6

Radius: 13.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.91 AU - 7.03 AU

Year: 9275 Days

Day: 10.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,845,456 km

• M1: 162,912 km (0.09 R)
• M2: 779,405 km (0.106 R)
• M3: 1,360,742 km (0.102 R)
• M4: 2,333,727 km (0.117 R)
• M5: 2,973,258 km (0.109 R)
• M6: 3,988,279 km (0.075 R)
• M7: 4,518,155 km (0.076 R)
• M8: 5,651,957 km (0.12 R)
• M9: 6,105,239 km (0.119 R)
• M10: 7,164,990 km (0.111 R)
• M11: 7,994,510 km (0.098 R)
• M12: 8,979,762 km (0.088 R)
• M13: 14,058,310 km (0.096 R)
• M14: 14,894,413 km (0.096 R)
• M15: 15,492,505 km (0.113 R)
• M16: 18,346,683 km (0.114 R)
• M17: 19,897,863 km (0.115 R)
• M18: 23,348,488 km (0.078 R)
• M19: 26,401,182 km (0.117 R)
• M20: 30,552,972 km (0.047 R)
• M21: 31,194,896 km (0.111 R)
• M22: 33,287,471 km (0.111 R)
• M23: 35,237,778 km (0.098 R)
• M24: 39,870,824 km (0.089 R)
• M25: 40,766,467 km (0.071 R)
• M26: 42,465,300 km (0.062 R)
• M27: 43,131,160 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.3

Radius: 5.6

Gravity: 25.74 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.78 AU - 7.58 AU

Year: 9768 Days

Day: 22.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,845,456 km

• M1: 70,161 km (0.05 R)
• M2: 455,974 km (0.092 R)
• M3: 691,142 km (0.039 R)
• M4: 866,172 km (0.115 R)
• M5: 1,454,241 km (0.077 R)
• M6: 1,670,260 km (0.094 R)
• M7: 2,353,474 km (0.047 R)
• M8: 2,888,136 km (0.109 R)
• M9: 7,734,659 km (0.1 R)
• M10: 8,487,286 km (0.086 R)
• M11: 10,344,693 km (0.088 R)
• M12: 11,146,986 km (0.031 R)
• M13: 12,515,956 km (0.11 R)
• M14: 14,906,680 km (0.086 R)
• M15: 19,195,501 km (0.095 R)
• M16: 21,576,800 km (0.096 R)
• M17: 26,620,642 km (0.11 R)
• M18: 44,245,814 km (0.092 R)
• M19: 49,845,412 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 12,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit