🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.1

Radius: 10.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.88 AU - 0.92 AU

Year: 560 Days

Day: 12 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,060,032 km

• M1: 126,859 km (0.057 R)
• M2: 463,753 km (0.079 R)
• M3: 853,007 km (0.11 R)
• M4: 1,207,404 km (0.058 R)
• M5: 1,639,742 km (0.105 R)
• M6: 1,984,117 km (0.118 R)
• M7: 2,463,727 km (0.091 R)
• M8: 2,843,257 km (0.053 R)
• M9: 3,530,211 km (0.097 R)
• M10: 3,893,135 km (0.027 R)
• M11: 4,679,571 km (0.118 R)
• M12: 5,265,845 km (0.117 R)
• M13: 5,706,560 km (0.111 R)
• M14: 6,413,710 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.5

Radius: 8.1

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.18 AU - 1.78 AU

Year: 1181 Days

Day: 5.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,060,032 km

• M1: 115,938 km (0.108 R)
• M2: 775,366 km (0.117 R)
• M3: 1,241,064 km (0.076 R)
• M4: 1,777,372 km (0.08 R)
• M5: 4,266,531 km (0.104 R)
• M6: 4,907,409 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 11.4

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.75 AU - 1.85 AU

Year: 1584 Days

Day: 8.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,060,032 km

• M1: 141,968 km (0.09 R)
• M2: 561,890 km (0.102 R)
• M3: 1,353,412 km (0.118 R)
• M4: 2,195,050 km (0.059 R)
• M5: 2,788,355 km (0.075 R)
• M6: 3,535,596 km (0.091 R)
• M7: 4,469,685 km (0.106 R)
• M8: 4,932,242 km (0.115 R)
• M9: 5,629,069 km (0.086 R)
• M10: 6,025,353 km (0.109 R)
• M11: 6,822,112 km (0.105 R)
• M12: 7,219,144 km (0.112 R)
• M13: 7,886,501 km (0.047 R)
• M14: 8,747,436 km (0.088 R)
• M15: 9,409,108 km (0.066 R)
• M16: 10,308,640 km (0.087 R)
• M17: 11,300,922 km (0.113 R)
• M18: 13,849,023 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857

Radius: 12

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4 AU - 5.04 AU

Year: 6304 Days

Day: 13.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 137.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,060,032 km

• M1: 149,299 km (0.066 R)
• M2: 633,846 km (0.101 R)
• M3: 1,043,445 km (0.111 R)
• M4: 1,520,962 km (0.047 R)
• M5: 1,958,386 km (0.04 R)
• M6: 2,643,245 km (0.078 R)
• M7: 3,806,817 km (0.069 R)
• M8: 5,166,662 km (0.079 R)
• M9: 5,560,104 km (0.094 R)
• M10: 8,278,447 km (0.117 R)
• M11: 9,833,966 km (0.113 R)
• M12: 10,346,039 km (0.106 R)
• M13: 13,234,325 km (0.08 R)
• M14: 13,974,835 km (0.1 R)
• M15: 15,600,964 km (0.101 R)
• M16: 17,216,022 km (0.06 R)
• M17: 17,755,622 km (0.115 R)
• M18: 22,248,794 km (0.092 R)
• M19: 27,722,729 km (0.076 R)
• M20: 29,124,611 km (0.119 R)
• M21: 31,066,391 km (0.077 R)
• M22: 32,578,377 km (0.116 R)
• M23: 33,718,014 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.6

Radius: 12.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.45 AU - 6.77 AU

Year: 8717 Days

Day: 7.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,060,032 km

• M1: 155,432 km (0.117 R)
• M2: 573,857 km (0.066 R)
• M3: 1,150,258 km (0.059 R)
• M4: 2,116,211 km (0.115 R)
• M5: 4,837,247 km (0.067 R)
• M6: 6,518,129 km (0.104 R)
• M7: 10,081,849 km (0.12 R)
• M8: 16,363,613 km (0.104 R)
• M9: 17,503,848 km (0.102 R)
• M10: 18,440,780 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 435.5

Radius: 7.3

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.7 AU - 11.78 AU

Year: 21496 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,060,032 km

• M1: 90,806 km (0.073 R)
• M2: 483,949 km (0.099 R)
• M3: 840,890 km (0.116 R)
• M4: 2,645,339 km (0.094 R)
• M5: 3,030,254 km (0.113 R)
• M6: 4,511,573 km (0.093 R)
• M7: 5,695,191 km (0.076 R)
• M8: 6,895,415 km (0.115 R)
• M9: 7,625,602 km (0.118 R)
• M10: 8,255,858 km (0.046 R)
• M11: 10,355,464 km (0.114 R)
• M12: 12,390,743 km (0.112 R)
• M13: 13,957,631 km (0.11 R)
• M14: 15,499,835 km (0.071 R)
• M15: 17,645,218 km (0.066 R)
• M16: 33,893,043 km (0.092 R)
• M17: 38,030,471 km (0.112 R)
• M18: 44,926,485 km (0.065 R)
• M19: 48,913,118 km (0.085 R)
• M20: 52,439,140 km (0.036 R)
• M21: 62,856,388 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 376.9

Radius: 3

Gravity: 41.88 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.32 AU - 11.36 AU

Year: 21812 Days

Day: 19.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 74 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 66,060,032 km

• M1: 37,699 km (0.061 R)
• M2: 169,345 km (0.072 R)
• M3: 397,182 km (0.096 R)
• M4: 549,772 km (0.117 R)
• M5: 1,056,610 km (0.086 R)
• M6: 1,351,318 km (0.115 R)
• M7: 1,517,970 km (0.08 R)
• M8: 2,004,163 km (0.109 R)
• M9: 2,655,213 km (0.088 R)
• M10: 2,868,090 km (0.116 R)
• M11: 3,834,493 km (0.074 R)
• M12: 5,471,841 km (0.069 R)
• M13: 5,894,605 km (0.116 R)
• M14: 6,013,535 km (0.104 R)
• M15: 6,463,675 km (0.081 R)
• M16: 6,761,525 km (0.1 R)
• M17: 6,891,974 km (0.109 R)
• M18: 7,384,600 km (0.074 R)
• M19: 8,045,074 km (0.106 R)
• M20: 8,439,564 km (0.102 R)
• M21: 8,898,680 km (0.099 R)
• M22: 9,645,772 km (0.095 R)
• M23: 10,962,083 km (0.102 R)
• M24: 11,081,911 km (0.091 R)
• M25: 11,756,597 km (0.118 R)
• M26: 12,135,978 km (0.111 R)
• M27: 12,328,660 km (0.098 R)
• M28: 17,589,269 km (0.09 R)
• M29: 18,675,499 km (0.111 R)
• M30: 30,888,968 km (0.06 R)
• M31: 35,384,983 km (0.11 R)
• M32: 36,174,411 km (0.094 R)
• M33: 43,513,533 km (0.058 R)
• M34: 43,964,720 km (0.069 R)
• M35: 44,267,356 km (0.103 R)
• M36: 53,831,298 km (0.115 R)
• M37: 58,815,899 km (0.106 R)
• M38: 59,183,162 km (0.113 R)
• M39: 62,367,801 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 10,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit