🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.2

Radius: 12.2

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.67 AU - 0.81 AU

Year: 418 Days

Day: 9.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,336,560 km

• M1: 151,692 km (0.083 R)
• M2: 608,415 km (0.101 R)
• M3: 1,194,539 km (0.036 R)
• M4: 1,607,878 km (0.094 R)
• M5: 2,045,900 km (0.102 R)
• M6: 2,573,233 km (0.097 R)
• M7: 3,008,862 km (0.119 R)
• M8: 3,459,301 km (0.076 R)
• M9: 4,213,274 km (0.116 R)
• M10: 4,925,211 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.6

Radius: 11.1

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.18 AU - 1.24 AU

Year: 873 Days

Day: 7 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,336,560 km

• M1: 142,268 km (0.111 R)
• M2: 530,773 km (0.073 R)
• M3: 1,150,408 km (0.091 R)
• M4: 1,597,705 km (0.054 R)
• M5: 2,851,635 km (0.086 R)
• M6: 3,751,167 km (0.061 R)
• M7: 4,459,662 km (0.099 R)
• M8: 5,634,155 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.5

Radius: 8.4

Gravity: 8.03 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.23 AU - 1.73 AU

Year: 1181 Days

Day: 13 Hours

Environment

Temp: -186 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,336,560 km

• M1: 104,419 km (0.105 R)
• M2: 371,452 km (0.101 R)
• M3: 693,087 km (0.067 R)
• M4: 1,005,746 km (0.106 R)
• M5: 1,445,265 km (0.102 R)
• M6: 2,133,116 km (0.114 R)
• M7: 2,685,731 km (0.093 R)
• M8: 2,956,054 km (0.09 R)
• M9: 3,432,822 km (0.094 R)
• M10: 4,647,856 km (0.109 R)
• M11: 5,214,383 km (0.112 R)
• M12: 6,105,687 km (0.059 R)
• M13: 6,668,774 km (0.087 R)
• M14: 7,095,128 km (0.088 R)
• M15: 8,375,686 km (0.09 R)
• M16: 9,564,989 km (0.045 R)
• M17: 10,324,347 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 13

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.93 AU - 2.21 AU

Year: 1954 Days

Day: 13.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,336,560 km

• M1: 161,715 km (0.079 R)
• M2: 710,590 km (0.111 R)
• M3: 1,301,202 km (0.112 R)
• M4: 2,062,207 km (0.114 R)
• M5: 3,491,315 km (0.117 R)
• M6: 4,223,896 km (0.119 R)
• M7: 4,681,067 km (0.117 R)
• M8: 5,125,373 km (0.108 R)
• M9: 5,996,631 km (0.099 R)
• M10: 7,338,374 km (0.044 R)
• M11: 8,158,619 km (0.112 R)
• M12: 8,938,323 km (0.067 R)
• M13: 12,187,140 km (0.107 R)
• M14: 12,817,695 km (0.066 R)
• M15: 14,466,563 km (0.088 R)
• M16: 14,888,279 km (0.101 R)
• M17: 15,511,803 km (0.037 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.8

Radius: 7.8

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.76 AU - 8.18 AU

Year: 12071 Days

Day: 20 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 81,336,560 km

• M1: 106,214 km (0.053 R)
• M2: 367,562 km (0.096 R)
• M3: 682,316 km (0.117 R)
• M4: 1,048,831 km (0.098 R)
• M5: 1,372,112 km (0.09 R)
• M6: 1,712,896 km (0.101 R)
• M7: 2,852,532 km (0.05 R)
• M8: 4,369,903 km (0.093 R)
• M9: 5,045,188 km (0.063 R)
• M10: 6,205,170 km (0.113 R)
• M11: 8,406,802 km (0.069 R)
• M12: 9,448,452 km (0.105 R)
• M13: 10,298,018 km (0.113 R)
• M14: 10,911,070 km (0.067 R)
• M15: 13,088,168 km (0.071 R)
• M16: 14,899,948 km (0.117 R)
• M17: 16,271,162 km (0.112 R)
• M18: 16,949,140 km (0.116 R)
• M19: 17,882,331 km (0.053 R)
• M20: 22,324,490 km (0.108 R)
• M21: 26,615,855 km (0.09 R)
• M22: 29,837,744 km (0.056 R)
• M23: 30,738,922 km (0.085 R)
• M24: 38,744,801 km (0.081 R)
• M25: 39,952,505 km (0.059 R)
• M26: 41,185,042 km (0.101 R)
• M27: 43,438,435 km (0.027 R)
• M28: 54,101,621 km (0.105 R)
• M29: 55,103,777 km (0.109 R)
• M30: 56,459,134 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.8

Radius: 5.7

Gravity: 25.36 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.26 AU - 10.36 AU

Year: 20156 Days

Day: 15.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,336,560 km

• M1: 71,059 km (0.112 R)
• M2: 750,682 km (0.112 R)
• M3: 1,515,726 km (0.045 R)
• M4: 2,635,166 km (0.083 R)
• M5: 4,356,440 km (0.068 R)
• M6: 5,350,368 km (0.118 R)
• M7: 11,042,268 km (0.084 R)
• M8: 12,033,054 km (0.106 R)
• M9: 14,038,863 km (0.102 R)
• M10: 27,352,026 km (0.113 R)
• M11: 34,354,852 km (0.041 R)
• M12: 36,168,726 km (0.061 R)
• M13: 39,382,088 km (0.095 R)
• M14: 42,622,079 km (0.1 R)
• M15: 43,098,997 km (0.112 R)
• M16: 49,978,105 km (0.066 R)
• M17: 52,667,277 km (0.112 R)
• M18: 59,511,230 km (0.09 R)
• M19: 69,306,898 km (0.086 R)
• M20: 78,922,900 km (0.096 R)
• M21: 80,849,870 km (0.109 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: 249 - 12,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit