🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137

Radius: 11.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.17 AU - 1.29 AU

Year: 881 Days

Day: 5.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,018,653 km

• M1: 145,559 km (0.06 R)
• M2: 526,136 km (0.074 R)
• M3: 1,029,832 km (0.036 R)
• M4: 1,734,587 km (0.104 R)
• M5: 2,204,773 km (0.119 R)
• M6: 2,593,279 km (0.115 R)
• M7: 3,114,029 km (0.118 R)
• M8: 3,916,472 km (0.115 R)
• M9: 4,298,545 km (0.104 R)
• M10: 5,061,943 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.3

Radius: 10.6

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.83 AU - 5.79 AU

Year: 7901 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,018,653 km

• M1: 132,394 km (0.072 R)
• M2: 761,603 km (0.084 R)
• M3: 1,219,971 km (0.083 R)
• M4: 2,055,325 km (0.118 R)
• M5: 3,962,548 km (0.118 R)
• M6: 5,087,674 km (0.108 R)
• M7: 6,039,864 km (0.044 R)
• M8: 10,473,646 km (0.06 R)
• M9: 15,461,688 km (0.071 R)
• M10: 20,140,361 km (0.048 R)
• M11: 28,981,895 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.8

Radius: 11.2

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.1 AU - 6.56 AU

Year: 7945 Days

Day: 9.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 128 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,018,653 km

• M1: 139,276 km (0.1 R)
• M2: 549,772 km (0.067 R)
• M3: 1,022,801 km (0.087 R)
• M4: 2,940,346 km (0.103 R)
• M5: 3,782,732 km (0.109 R)
• M6: 4,220,455 km (0.097 R)
• M7: 5,449,402 km (0.115 R)
• M8: 7,965,039 km (0.096 R)
• M9: 8,384,961 km (0.05 R)
• M10: 9,687,061 km (0.102 R)
• M11: 10,117,304 km (0.113 R)
• M12: 12,575,646 km (0.09 R)
• M13: 13,088,168 km (0.118 R)
• M14: 14,961,283 km (0.065 R)
• M15: 17,214,227 km (0.093 R)
• M16: 17,633,999 km (0.073 R)
• M17: 20,066,759 km (0.048 R)
• M18: 21,484,049 km (0.116 R)
• M19: 27,633,270 km (0.094 R)
• M20: 28,891,538 km (0.116 R)
• M21: 30,492,235 km (0.11 R)
• M22: 34,198,672 km (0.108 R)
• M23: 34,862,886 km (0.096 R)
• M24: 35,310,333 km (0.107 R)
• M25: 37,022,930 km (0.056 R)
• M26: 37,605,913 km (0.069 R)
• M27: 38,313,660 km (0.082 R)
• M28: 42,365,369 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891

Radius: 7.8

Gravity: 14.64 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.61 AU - 11.19 AU

Year: 18608 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 78,018,653 km

• M1: 97,239 km (0.091 R)
• M2: 358,586 km (0.113 R)
• M3: 1,009,636 km (0.078 R)
• M4: 1,288,337 km (0.055 R)
• M5: 2,045,302 km (0.09 R)
• M6: 2,407,030 km (0.077 R)
• M7: 2,990,162 km (0.09 R)
• M8: 3,634,181 km (0.098 R)
• M9: 4,199,960 km (0.092 R)
• M10: 5,349,171 km (0.084 R)
• M11: 5,829,979 km (0.118 R)
• M12: 6,383,042 km (0.104 R)
• M13: 7,205,830 km (0.073 R)
• M14: 8,895,389 km (0.033 R)
• M15: 9,285,091 km (0.071 R)
• M16: 10,218,881 km (0.077 R)
• M17: 11,472,212 km (0.082 R)
• M18: 13,686,111 km (0.101 R)
• M19: 14,356,758 km (0.107 R)
• M20: 15,049,097 km (0.111 R)
• M21: 16,088,204 km (0.119 R)
• M22: 17,518,210 km (0.114 R)
• M23: 17,954,437 km (0.087 R)
• M24: 20,149,936 km (0.096 R)
• M25: 24,196,857 km (0.108 R)
• M26: 28,394,125 km (0.104 R)
• M27: 29,853,302 km (0.101 R)
• M28: 31,746,763 km (0.064 R)
• M29: 35,910,969 km (0.084 R)
• M30: 39,077,657 km (0.053 R)
• M31: 40,425,085 km (0.102 R)
• M32: 41,958,313 km (0.043 R)
• M33: 43,054,417 km (0.036 R)
• M34: 45,140,409 km (0.11 R)
• M35: 56,588,237 km (0.095 R)
• M36: 58,311,455 km (0.036 R)
• M37: 60,464,916 km (0.096 R)
• M38: 60,862,099 km (0.083 R)
• M39: 61,661,699 km (0.026 R)
• M40: 62,874,040 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.2

Radius: 3.2

Gravity: 62.23 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.28 AU - 10.44 AU

Year: 21531 Days

Day: 19 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,018,653 km

• M1: 45,179 km (0.08 R)
• M2: 403,017 km (0.088 R)
• M3: 1,626,428 km (0.081 R)
• M4: 2,477,042 km (0.094 R)
• M5: 3,050,899 km (0.057 R)
• M6: 3,326,159 km (0.076 R)
• M7: 4,386,509 km (0.079 R)
• M8: 4,956,028 km (0.061 R)
• M9: 5,067,927 km (0.079 R)
• M10: 5,899,990 km (0.098 R)
• M11: 7,482,437 km (0.118 R)
• M12: 7,981,794 km (0.119 R)
• M13: 8,449,886 km (0.11 R)
• M14: 9,845,784 km (0.117 R)
• M15: 12,455,668 km (0.081 R)
• M16: 15,097,567 km (0.043 R)
• M17: 15,571,343 km (0.095 R)
• M18: 18,002,009 km (0.108 R)
• M19: 28,304,516 km (0.092 R)
• M20: 30,250,335 km (0.081 R)
• M21: 32,937,113 km (0.077 R)
• M22: 35,087,732 km (0.107 R)
• M23: 43,826,192 km (0.094 R)
• M24: 48,778,630 km (0.064 R)
• M25: 54,458,412 km (0.12 R)
• M26: 68,171,750 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: 403 - 11,157 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit