🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.4

Radius: 9.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.66 AU - 0.8 AU

Year: 431 Days

Day: 13.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,802,687 km

• M1: 118,182 km (0.12 R)
• M2: 419,622 km (0.076 R)
• M3: 761,453 km (0.056 R)
• M4: 1,225,506 km (0.115 R)
• M5: 1,725,312 km (0.116 R)
• M6: 2,073,127 km (0.117 R)
• M7: 2,416,006 km (0.073 R)
• M8: 2,740,035 km (0.027 R)
• M9: 3,228,023 km (0.081 R)
• M10: 3,565,964 km (0.099 R)
• M11: 3,939,660 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.3

Radius: 9.2

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.78 AU - 0.78 AU

Year: 476 Days

Day: 10.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,802,687 km

• M1: 114,742 km (0.094 R)
• M2: 465,399 km (0.072 R)
• M3: 830,717 km (0.111 R)
• M4: 1,190,350 km (0.108 R)
• M5: 1,537,866 km (0.05 R)
• M6: 1,928,466 km (0.037 R)
• M7: 2,452,507 km (0.111 R)
• M8: 3,103,408 km (0.084 R)
• M9: 4,182,906 km (0.108 R)
• M10: 4,503,195 km (0.059 R)
• M11: 5,427,261 km (0.117 R)
• M12: 5,755,928 km (0.11 R)
• M13: 6,227,311 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.5

Radius: 11.2

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.71 AU - 1.09 AU

Year: 589 Days

Day: 14.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,802,687 km

• M1: 139,425 km (0.049 R)
• M2: 628,610 km (0.096 R)
• M3: 985,850 km (0.066 R)
• M4: 1,357,451 km (0.058 R)
• M5: 1,919,640 km (0.101 R)
• M6: 2,733,153 km (0.055 R)
• M7: 3,175,215 km (0.099 R)
• M8: 3,762,985 km (0.056 R)
• M9: 4,328,016 km (0.089 R)
• M10: 5,245,350 km (0.078 R)
• M11: 5,646,871 km (0.08 R)
• M12: 6,108,231 km (0.111 R)
• M13: 6,720,236 km (0.082 R)
• M14: 7,372,931 km (0.101 R)
• M15: 7,877,824 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.1

Radius: 13.2

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.23 AU - 3.51 AU

Year: 4270 Days

Day: 7.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,802,687 km

• M1: 164,258 km (0.073 R)
• M2: 1,060,799 km (0.074 R)
• M3: 1,691,204 km (0.099 R)
• M4: 2,431,863 km (0.108 R)
• M5: 3,761,638 km (0.106 R)
• M6: 4,688,696 km (0.117 R)
• M7: 5,587,630 km (0.098 R)
• M8: 6,032,833 km (0.036 R)
• M9: 6,469,659 km (0.104 R)
• M10: 7,727,328 km (0.119 R)
• M11: 8,168,493 km (0.113 R)
• M12: 9,594,310 km (0.068 R)
• M13: 12,379,972 km (0.112 R)
• M14: 12,832,356 km (0.117 R)
• M15: 13,505,397 km (0.12 R)
• M16: 14,697,841 km (0.052 R)
• M17: 15,492,355 km (0.069 R)
• M18: 16,196,213 km (0.097 R)
• M19: 17,794,068 km (0.095 R)
• M20: 18,631,517 km (0.083 R)
• M21: 19,093,176 km (0.071 R)
• M22: 23,066,346 km (0.086 R)
• M23: 23,522,470 km (0.027 R)
• M24: 30,192,590 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 8.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.45 AU - 5.27 AU

Year: 6284 Days

Day: 5.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,802,687 km

• M1: 102,026 km (0.05 R)
• M2: 410,347 km (0.063 R)
• M3: 725,550 km (0.098 R)
• M4: 1,038,957 km (0.096 R)
• M5: 1,487,601 km (0.113 R)
• M6: 2,470,459 km (0.083 R)
• M7: 3,234,904 km (0.082 R)
• M8: 4,627,661 km (0.057 R)
• M9: 5,063,738 km (0.101 R)
• M10: 5,958,782 km (0.106 R)
• M11: 6,412,962 km (0.103 R)
• M12: 7,737,651 km (0.084 R)
• M13: 8,921,867 km (0.054 R)
• M14: 10,918,251 km (0.064 R)
• M15: 11,187,228 km (0.106 R)
• M16: 17,298,002 km (0.077 R)
• M17: 19,374,570 km (0.116 R)
• M18: 20,303,722 km (0.076 R)
• M19: 21,123,519 km (0.096 R)
• M20: 21,752,727 km (0.095 R)
• M21: 25,010,071 km (0.105 R)
• M22: 26,190,997 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.4

Radius: 7.7

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.93 AU - 7.57 AU

Year: 10785 Days

Day: 15.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,802,687 km

• M1: 95,743 km (0.086 R)
• M2: 360,531 km (0.066 R)
• M3: 647,011 km (0.107 R)
• M4: 957,576 km (0.06 R)
• M5: 1,233,135 km (0.102 R)
• M6: 1,832,125 km (0.072 R)
• M7: 2,817,526 km (0.101 R)
• M8: 3,075,583 km (0.109 R)
• M9: 3,459,152 km (0.064 R)
• M10: 4,400,421 km (0.116 R)
• M11: 5,939,783 km (0.1 R)
• M12: 6,400,096 km (0.063 R)
• M13: 9,901,733 km (0.081 R)
• M14: 10,314,773 km (0.097 R)
• M15: 11,572,592 km (0.083 R)
• M16: 14,273,731 km (0.099 R)
• M17: 18,104,783 km (0.079 R)
• M18: 18,722,622 km (0.119 R)
• M19: 19,711,464 km (0.062 R)
• M20: 21,869,862 km (0.093 R)
• M21: 25,014,410 km (0.036 R)
• M22: 25,267,978 km (0.118 R)
• M23: 28,909,639 km (0.057 R)
• M24: 31,098,256 km (0.101 R)
• M25: 34,116,094 km (0.062 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 19,038 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit