🌌 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: 396.7

Radius: 8.5

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.77 AU - 1.03 AU

Year: 560 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,325,046 km

• M1: 105,915 km (0.099 R)
• M2: 373,695 km (0.083 R)
• M3: 713,432 km (0.099 R)
• M4: 1,163,722 km (0.102 R)
• M5: 1,481,169 km (0.077 R)
• M6: 2,025,406 km (0.114 R)
• M7: 2,423,486 km (0.087 R)
• M8: 2,717,445 km (0.112 R)
• M9: 3,146,642 km (0.107 R)
• M10: 3,521,833 km (0.109 R)
• M11: 3,926,795 km (0.086 R)
• M12: 4,306,474 km (0.101 R)
• M13: 4,607,016 km (0.088 R)
• M14: 5,363,532 km (0.12 R)
• M15: 5,712,095 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.5

Radius: 9.1

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.2 AU - 1.98 AU

Year: 1315 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,325,046 km

• M1: 123,269 km (0.113 R)
• M2: 789,129 km (0.053 R)
• M3: 1,140,534 km (0.072 R)
• M4: 1,429,408 km (0.1 R)
• M5: 2,621,852 km (0.117 R)
• M6: 3,407,540 km (0.12 R)
• M7: 3,759,694 km (0.094 R)
• M8: 4,272,814 km (0.115 R)
• M9: 4,832,011 km (0.103 R)
• M10: 5,835,813 km (0.026 R)
• M11: 7,800,033 km (0.107 R)
• M12: 8,803,835 km (0.1 R)
• M13: 9,769,788 km (0.084 R)
• M14: 10,231,447 km (0.056 R)

Asteroid Belt

Center: 1.89 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.2

Radius: 11.5

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.99 AU - 2.39 AU

Year: 2126 Days

Day: 11.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,325,046 km

• M1: 160,219 km (0.05 R)
• M2: 1,146,518 km (0.107 R)
• M3: 1,635,254 km (0.115 R)
• M4: 3,026,664 km (0.092 R)
• M5: 4,202,952 km (0.05 R)
• M6: 4,580,836 km (0.081 R)
• M7: 5,661,980 km (0.111 R)
• M8: 6,174,503 km (0.084 R)
• M9: 7,870,643 km (0.096 R)
• M10: 9,085,378 km (0.098 R)
• M11: 11,117,665 km (0.06 R)
• M12: 11,727,875 km (0.115 R)
• M13: 14,306,194 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.2

Radius: 5.2

Gravity: 35.73 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.81 AU - 7.71 AU

Year: 12833 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,325,046 km

• M1: 73,602 km (0.095 R)
• M2: 270,174 km (0.118 R)
• M3: 513,569 km (0.04 R)
• M4: 721,660 km (0.086 R)
• M5: 1,312,871 km (0.102 R)
• M6: 2,142,690 km (0.076 R)
• M7: 2,513,394 km (0.114 R)
• M8: 2,901,750 km (0.096 R)
• M9: 3,123,155 km (0.042 R)
• M10: 3,655,424 km (0.08 R)
• M11: 4,184,402 km (0.109 R)
• M12: 7,299,329 km (0.087 R)
• M13: 9,399,234 km (0.109 R)
• M14: 10,330,182 km (0.083 R)
• M15: 11,995,056 km (0.105 R)
• M16: 13,288,480 km (0.1 R)
• M17: 18,967,215 km (0.104 R)
• M18: 25,761,950 km (0.072 R)
• M19: 26,817,961 km (0.116 R)
• M20: 27,902,396 km (0.096 R)
• M21: 28,678,660 km (0.084 R)
• M22: 31,568,891 km (0.108 R)
• M23: 34,141,824 km (0.101 R)
• M24: 38,598,495 km (0.101 R)
• M25: 40,823,763 km (0.041 R)
• M26: 42,547,878 km (0.111 R)
• M27: 43,723,718 km (0.097 R)
• M28: 49,929,935 km (0.071 R)
• M29: 50,580,985 km (0.065 R)
• M30: 51,568,181 km (0.03 R)
• M31: 59,567,927 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.1

Radius: 6.2

Gravity: 12.07 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 10.6 AU - 11.4 AU

Year: 23933 Days

Day: 20.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,325,046 km

• M1: 77,043 km (0.069 R)
• M2: 331,060 km (0.047 R)
• M3: 609,761 km (0.052 R)
• M4: 1,224,907 km (0.097 R)
• M5: 1,818,961 km (0.058 R)
• M6: 2,212,104 km (0.073 R)
• M7: 4,173,631 km (0.09 R)
• M8: 4,929,250 km (0.089 R)
• M9: 5,935,445 km (0.081 R)
• M10: 7,025,864 km (0.072 R)
• M11: 7,594,186 km (0.08 R)
• M12: 9,825,738 km (0.083 R)
• M13: 11,794,745 km (0.111 R)
• M14: 17,241,155 km (0.116 R)
• M15: 18,097,752 km (0.08 R)
• M16: 20,362,963 km (0.116 R)
• M17: 22,106,377 km (0.101 R)
• M18: 22,708,957 km (0.049 R)
• M19: 23,116,611 km (0.067 R)
• M20: 25,012,315 km (0.112 R)
• M21: 26,444,116 km (0.11 R)
• M22: 28,280,430 km (0.095 R)
• M23: 32,719,448 km (0.118 R)
• M24: 34,030,374 km (0.058 R)
• M25: 40,812,094 km (0.093 R)
• M26: 48,106,187 km (0.087 R)
• M27: 55,299,302 km (0.083 R)
• M28: 64,389,317 km (0.109 R)
• M29: 68,118,642 km (0.073 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 15,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit