🌌 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: 669.9

Radius: 12.3

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.7 AU - 0.76 AU

Year: 431 Days

Day: 8.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,616,250 km

• M1: 153,039 km (0.065 R)
• M2: 589,864 km (0.077 R)
• M3: 986,000 km (0.094 R)
• M4: 1,444,816 km (0.079 R)
• M5: 1,841,849 km (0.093 R)
• M6: 2,259,676 km (0.056 R)
• M7: 2,681,093 km (0.069 R)
• M8: 3,110,888 km (0.09 R)
• M9: 3,849,303 km (0.088 R)
• M10: 4,775,314 km (0.061 R)
• M11: 5,267,491 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.1

Radius: 8.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.49 AU - 1.81 AU

Year: 1463 Days

Day: 14.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,616,250 km

• M1: 105,766 km (0.078 R)
• M2: 403,914 km (0.078 R)
• M3: 717,322 km (0.083 R)
• M4: 1,351,916 km (0.066 R)
• M5: 2,381,897 km (0.031 R)
• M6: 3,420,855 km (0.047 R)
• M7: 4,635,888 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.8

Radius: 11

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.39 AU - 5.51 AU

Year: 6480 Days

Day: 10.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,616,250 km

• M1: 148,850 km (0.077 R)
• M2: 804,986 km (0.086 R)
• M3: 1,422,975 km (0.118 R)
• M4: 1,932,356 km (0.05 R)
• M5: 2,518,181 km (0.094 R)
• M6: 3,052,844 km (0.112 R)
• M7: 4,206,692 km (0.095 R)
• M8: 5,031,575 km (0.052 R)
• M9: 5,482,762 km (0.106 R)
• M10: 7,000,732 km (0.091 R)
• M11: 8,917,529 km (0.098 R)
• M12: 11,807,461 km (0.072 R)
• M13: 16,734,317 km (0.058 R)
• M14: 17,420,074 km (0.025 R)
• M15: 18,734,889 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.9

Radius: 6.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.31 AU - 6.73 AU

Year: 10195 Days

Day: 20.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 34,616,250 km

• M1: 81,980 km (0.113 R)
• M2: 289,771 km (0.044 R)
• M3: 486,492 km (0.098 R)
• M4: 798,404 km (0.099 R)
• M5: 1,880,296 km (0.081 R)
• M6: 2,252,794 km (0.074 R)
• M7: 3,548,611 km (0.093 R)
• M8: 13,541,150 km (0.101 R)
• M9: 15,890,585 km (0.088 R)
• M10: 20,846,463 km (0.113 R)
• M11: 21,045,129 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.6

Radius: 7.5

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.86 AU - 7.8 AU

Year: 12321 Days

Day: 16.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 34,616,250 km

• M1: 93,947 km (0.11 R)
• M2: 388,206 km (0.042 R)
• M3: 711,936 km (0.077 R)
• M4: 963,560 km (0.036 R)
• M5: 1,288,636 km (0.113 R)
• M6: 1,947,914 km (0.06 R)
• M7: 3,914,378 km (0.113 R)
• M8: 4,623,621 km (0.085 R)
• M9: 5,485,455 km (0.055 R)
• M10: 6,333,525 km (0.044 R)
• M11: 7,097,671 km (0.12 R)
• M12: 7,876,777 km (0.093 R)
• M13: 8,194,822 km (0.099 R)
• M14: 8,856,493 km (0.077 R)
• M15: 9,300,350 km (0.038 R)
• M16: 9,915,048 km (0.098 R)
• M17: 11,454,559 km (0.068 R)
• M18: 13,986,952 km (0.09 R)
• M19: 16,498,850 km (0.04 R)
• M20: 17,552,169 km (0.088 R)
• M21: 18,971,404 km (0.028 R)
• M22: 21,680,471 km (0.074 R)
• M23: 28,804,472 km (0.06 R)
• M24: 31,905,935 km (0.081 R)
• M25: 34,493,529 km (0.045 R)
• M26: 36,211,212 km (0.045 R)
• M27: 36,461,190 km (0.072 R)
• M28: 36,964,587 km (0.11 R)
• M29: 42,811,171 km (0.092 R)
• M30: 48,635,465 km (0.106 R)
• M31: 50,325,172 km (0.082 R)
• M32: 53,335,082 km (0.102 R)
• M33: 54,473,671 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.2

Radius: 8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.93 AU - 8.67 AU

Year: 13614 Days

Day: 18 Hours

Environment

Temp: -233 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,616,250 km

• M1: 102,475 km (0.058 R)
• M2: 613,351 km (0.027 R)
• M3: 1,230,592 km (0.107 R)
• M4: 1,579,454 km (0.116 R)
• M5: 1,963,771 km (0.058 R)
• M6: 2,259,227 km (0.115 R)
• M7: 2,711,910 km (0.077 R)
• M8: 3,845,712 km (0.079 R)
• M9: 5,267,341 km (0.119 R)
• M10: 14,200,279 km (0.118 R)
• M11: 17,053,110 km (0.11 R)
• M12: 19,410,773 km (0.063 R)
• M13: 20,557,739 km (0.104 R)
• M14: 20,851,400 km (0.115 R)
• M15: 21,597,744 km (0.107 R)
• M16: 23,541,619 km (0.091 R)
• M17: 27,152,911 km (0.101 R)
• M18: 27,773,892 km (0.098 R)
• M19: 33,186,792 km (0.115 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: 333 - 13,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit