🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.3

Radius: 11.1

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.61 AU - 0.61 AU

Year: 318 Days

Day: 5.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,691,570 km

• M1: 138,079 km (0.099 R)
• M2: 517,908 km (0.045 R)
• M3: 1,215,931 km (0.084 R)
• M4: 1,642,285 km (0.045 R)
• M5: 2,587,445 km (0.076 R)
• M6: 2,947,826 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 11.2

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.75 AU - 0.83 AU

Year: 468 Days

Day: 10.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,691,570 km

• M1: 139,276 km (0.09 R)
• M2: 491,429 km (0.113 R)
• M3: 855,101 km (0.058 R)
• M4: 1,584,092 km (0.067 R)
• M5: 2,118,455 km (0.097 R)
• M6: 2,536,282 km (0.112 R)
• M7: 4,173,182 km (0.083 R)
• M8: 4,761,850 km (0.075 R)
• M9: 5,200,172 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.6

Radius: 9.6

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.48 AU - 1.96 AU

Year: 1504 Days

Day: 13.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 140.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,691,570 km

• M1: 119,678 km (0.119 R)
• M2: 528,380 km (0.036 R)
• M3: 1,057,807 km (0.101 R)
• M4: 1,560,306 km (0.1 R)
• M5: 2,156,005 km (0.092 R)
• M6: 2,533,889 km (0.042 R)
• M7: 2,853,280 km (0.119 R)
• M8: 3,905,252 km (0.064 R)
• M9: 4,238,108 km (0.093 R)
• M10: 4,711,435 km (0.06 R)
• M11: 5,464,511 km (0.095 R)
• M12: 7,100,513 km (0.111 R)
• M13: 7,972,220 km (0.072 R)
• M14: 9,200,419 km (0.094 R)
• M15: 10,979,885 km (0.074 R)
• M16: 12,695,773 km (0.045 R)
• M17: 13,807,285 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.4

Radius: 8.9

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.51 AU - 3.93 AU

Year: 3853 Days

Day: 6.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,691,570 km

• M1: 110,702 km (0.104 R)
• M2: 462,108 km (0.074 R)
• M3: 906,563 km (0.09 R)
• M4: 1,261,409 km (0.116 R)
• M5: 2,399,400 km (0.055 R)
• M6: 3,665,297 km (0.086 R)
• M7: 5,347,675 km (0.112 R)
• M8: 6,412,513 km (0.064 R)
• M9: 6,699,591 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.6

Radius: 8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.5 AU - 3.7 AU

Year: 4555 Days

Day: 12.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,691,570 km

• M1: 116,238 km (0.05 R)
• M2: 463,155 km (0.096 R)
• M3: 787,334 km (0.03 R)
• M4: 2,406,581 km (0.054 R)
• M5: 2,992,406 km (0.061 R)
• M6: 3,727,530 km (0.102 R)
• M7: 4,555,405 km (0.057 R)
• M8: 6,514,239 km (0.104 R)
• M9: 7,616,028 km (0.036 R)
• M10: 8,495,065 km (0.069 R)
• M11: 11,746,126 km (0.112 R)
• M12: 13,974,535 km (0.112 R)
• M13: 18,159,087 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.7

Radius: 9.5

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.3 AU - 5.04 AU

Year: 5679 Days

Day: 10.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,691,570 km

• M1: 122,072 km (0.044 R)
• M2: 503,995 km (0.11 R)
• M3: 835,953 km (0.046 R)
• M4: 2,580,563 km (0.107 R)
• M5: 3,149,484 km (0.074 R)
• M6: 3,454,215 km (0.069 R)
• M7: 4,304,230 km (0.114 R)
• M8: 4,632,597 km (0.053 R)
• M9: 5,054,014 km (0.11 R)
• M10: 7,863,911 km (0.072 R)
• M11: 9,365,126 km (0.091 R)
• M12: 10,705,523 km (0.113 R)
• M13: 11,179,598 km (0.031 R)
• M14: 12,496,509 km (0.044 R)
• M15: 23,064,401 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.3

Radius: 10.4

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.36 AU - 5.96 AU

Year: 8980 Days

Day: 5.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,691,570 km

• M1: 132,544 km (0.107 R)
• M2: 544,087 km (0.1 R)
• M3: 961,017 km (0.117 R)
• M4: 1,441,226 km (0.117 R)
• M5: 2,060,711 km (0.061 R)
• M6: 2,660,897 km (0.094 R)
• M7: 4,892,150 km (0.052 R)
• M8: 9,505,150 km (0.101 R)
• M9: 10,156,648 km (0.085 R)
• M10: 13,870,116 km (0.069 R)
• M11: 14,317,563 km (0.076 R)
• M12: 15,241,181 km (0.03 R)
• M13: 19,654,019 km (0.084 R)
• M14: 21,044,232 km (0.065 R)
• M15: 34,029,177 km (0.098 R)
• M16: 38,357,044 km (0.031 R)
• M17: 40,782,773 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.9

Radius: 7.4

Gravity: 17.15 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.14 AU - 8.18 AU

Year: 12776 Days

Day: 23.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,691,570 km

• M1: 92,302 km (0.106 R)
• M2: 433,235 km (0.091 R)
• M3: 1,035,367 km (0.085 R)
• M4: 1,297,014 km (0.088 R)
• M5: 1,682,826 km (0.103 R)
• M6: 2,892,624 km (0.089 R)
• M7: 4,312,458 km (0.027 R)
• M8: 5,460,921 km (0.086 R)
• M9: 7,277,936 km (0.077 R)
• M10: 7,638,617 km (0.086 R)
• M11: 8,106,260 km (0.068 R)
• M12: 10,851,680 km (0.096 R)
• M13: 11,746,126 km (0.091 R)
• M14: 12,117,428 km (0.06 R)
• M15: 12,624,564 km (0.1 R)
• M16: 15,011,249 km (0.063 R)
• M17: 15,969,573 km (0.044 R)
• M18: 18,501,217 km (0.097 R)
• M19: 23,848,743 km (0.08 R)
• M20: 27,680,393 km (0.114 R)
• M21: 28,670,731 km (0.075 R)
• M22: 29,684,705 km (0.095 R)
• M23: 30,955,988 km (0.099 R)
• M24: 32,626,099 km (0.035 R)
• M25: 36,015,089 km (0.114 R)
• M26: 38,944,514 km (0.118 R)
• M27: 42,897,489 km (0.067 R)
• M28: 46,645,962 km (0.105 R)
• M29: 48,047,096 km (0.086 R)
• M30: 48,362,299 km (0.098 R)
• M31: 49,476,055 km (0.119 R)
• M32: 52,585,596 km (0.113 R)
• M33: 54,444,051 km (0.094 R)
• M34: 54,958,518 km (0.057 R)
• M35: 57,048,400 km (0.045 R)
• M36: 59,916,640 km (0.093 R)
• M37: 61,386,140 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: 333 - 11,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit