🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.42 AU - 0.68 AU

Year: 263 Days

Day: 21 Hours

Environment

Temp: -118 °C

Axial Tilt: 42.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,066,615 km

• M1: 358,287 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.6

Radius: 9.1

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.18 AU - 1.92 AU

Year: 1246 Days

Day: 14.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,066,615 km

• M1: 114,891 km (0.072 R)
• M2: 503,696 km (0.065 R)
• M3: 940,522 km (0.112 R)
• M4: 1,426,864 km (0.108 R)
• M5: 1,733,839 km (0.118 R)
• M6: 2,140,746 km (0.071 R)
• M7: 2,584,902 km (0.118 R)
• M8: 3,960,304 km (0.114 R)
• M9: 4,945,855 km (0.102 R)
• M10: 5,463,913 km (0.071 R)
• M11: 5,904,179 km (0.086 R)
• M12: 6,439,440 km (0.09 R)
• M13: 7,108,741 km (0.03 R)
• M14: 7,687,835 km (0.12 R)
• M15: 8,441,060 km (0.12 R)
• M16: 9,151,051 km (0.057 R)
• M17: 9,489,591 km (0.096 R)
• M18: 10,356,062 km (0.086 R)
• M19: 11,663,697 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.9

Radius: 12.5

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.01 AU - 2.77 AU

Year: 2386 Days

Day: 5.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,066,615 km

• M1: 163,062 km (0.078 R)
• M2: 693,685 km (0.041 R)
• M3: 1,104,182 km (0.048 R)
• M4: 1,521,111 km (0.078 R)
• M5: 2,395,810 km (0.112 R)
• M6: 3,082,015 km (0.053 R)
• M7: 5,618,746 km (0.102 R)
• M8: 6,095,066 km (0.084 R)
• M9: 8,066,916 km (0.081 R)
• M10: 9,312,318 km (0.111 R)
• M11: 9,878,995 km (0.113 R)
• M12: 11,415,365 km (0.076 R)
• M13: 13,732,785 km (0.113 R)
• M14: 14,600,154 km (0.096 R)
• M15: 15,047,302 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.1

Radius: 8.7

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.73 AU - 2.81 AU

Year: 2977 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,066,615 km

• M1: 109,356 km (0.093 R)
• M2: 406,158 km (0.056 R)
• M3: 952,639 km (0.066 R)
• M4: 1,946,268 km (0.09 R)
• M5: 2,492,151 km (0.078 R)
• M6: 3,314,042 km (0.118 R)
• M7: 4,546,429 km (0.081 R)
• M8: 5,600,645 km (0.101 R)
• M9: 9,632,906 km (0.114 R)
• M10: 9,941,975 km (0.072 R)
• M11: 12,781,492 km (0.07 R)
• M12: 14,813,181 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197

Radius: 13

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.2 AU - 4.94 AU

Year: 6308 Days

Day: 11.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,066,615 km

• M1: 164,408 km (0.08 R)
• M2: 591,660 km (0.025 R)
• M3: 1,069,924 km (0.074 R)
• M4: 1,629,570 km (0.094 R)
• M5: 2,225,717 km (0.04 R)
• M6: 3,245,227 km (0.087 R)
• M7: 4,133,688 km (0.105 R)
• M8: 4,788,179 km (0.115 R)
• M9: 5,304,591 km (0.118 R)
• M10: 7,268,961 km (0.05 R)
• M11: 9,717,279 km (0.079 R)
• M12: 10,186,568 km (0.052 R)
• M13: 14,555,125 km (0.054 R)
• M14: 15,643,300 km (0.077 R)
• M15: 17,518,958 km (0.096 R)
• M16: 18,511,091 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.2

Radius: 4.8

Gravity: 27.79 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.57 AU - 7.15 AU

Year: 11601 Days

Day: 24.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 30,066,615 km

• M1: 61,186 km (0.09 R)
• M2: 414,237 km (0.089 R)
• M3: 867,219 km (0.082 R)
• M4: 1,065,735 km (0.061 R)
• M5: 1,243,607 km (0.117 R)
• M6: 1,584,541 km (0.09 R)
• M7: 2,109,031 km (0.105 R)
• M8: 2,807,054 km (0.084 R)
• M9: 3,269,162 km (0.119 R)
• M10: 3,621,615 km (0.05 R)
• M11: 3,943,699 km (0.104 R)
• M12: 4,432,286 km (0.103 R)
• M13: 4,644,715 km (0.059 R)
• M14: 5,811,129 km (0.064 R)
• M15: 6,558,819 km (0.083 R)
• M16: 9,381,282 km (0.086 R)
• M17: 9,731,940 km (0.102 R)
• M18: 11,504,525 km (0.105 R)
• M19: 14,918,199 km (0.06 R)
• M20: 16,167,341 km (0.073 R)
• M21: 16,744,190 km (0.117 R)
• M22: 17,037,851 km (0.101 R)
• M23: 18,169,260 km (0.059 R)
• M24: 18,714,095 km (0.056 R)
• M25: 19,430,519 km (0.114 R)
• M26: 22,479,324 km (0.063 R)
• M27: 23,838,720 km (0.088 R)
• M28: 25,832,411 km (0.106 R)
• M29: 28,451,570 km (0.119 R)
• M30: 31,687,223 km (0.102 R)
• M31: 32,136,315 km (0.083 R)
• M32: 33,741,800 km (0.105 R)
• M33: 35,159,838 km (0.11 R)
• M34: 36,617,071 km (0.056 R)
• M35: 40,042,114 km (0.081 R)
• M36: 40,567,053 km (0.094 R)
• M37: 43,123,232 km (0.1 R)
• M38: 49,903,606 km (0.097 R)
• M39: 50,511,422 km (0.106 R)
• M40: 51,587,031 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.4

Radius: 5.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 10.01 AU - 11.77 AU

Year: 23204 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,066,615 km

• M1: 223,649 km (0.106 R)
• M2: 442,959 km (0.066 R)
• M3: 2,090,780 km (0.11 R)
• M4: 3,283,374 km (0.03 R)
• M5: 4,459,064 km (0.042 R)
• M6: 8,890,302 km (0.064 R)
• M7: 11,690,326 km (0.079 R)
• M8: 12,927,500 km (0.068 R)
• M9: 13,763,602 km (0.12 R)
• M10: 20,164,895 km (0.104 R)
• M11: 20,651,088 km (0.114 R)
• M12: 25,464,550 km (0.103 R)
• M13: 27,787,056 km (0.035 R)
• M14: 28,911,883 km (0.12 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: 160 - 11,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit