🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.8

Radius: 11.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.59 AU - 0.81 AU

Year: 391 Days

Day: 12.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,476,391 km

• M1: 141,370 km (0.077 R)
• M2: 513,270 km (0.093 R)
• M3: 905,217 km (0.112 R)
• M4: 1,343,090 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.1

Radius: 8.8

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.02 AU - 1.68 AU

Year: 1046 Days

Day: 8.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,476,391 km

• M1: 109,506 km (0.113 R)
• M2: 567,425 km (0.098 R)
• M3: 1,017,565 km (0.082 R)
• M4: 1,608,476 km (0.075 R)
• M5: 2,184,279 km (0.079 R)
• M6: 3,033,994 km (0.071 R)
• M7: 3,697,910 km (0.082 R)
• M8: 4,302,734 km (0.044 R)
• M9: 4,843,680 km (0.078 R)
• M10: 5,331,818 km (0.118 R)
• M11: 5,749,645 km (0.106 R)
• M12: 6,232,247 km (0.078 R)
• M13: 6,994,897 km (0.062 R)
• M14: 7,594,336 km (0.059 R)
• M15: 8,490,577 km (0.112 R)
• M16: 8,840,935 km (0.099 R)

Asteroid Belt

Center: 1.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.9

Radius: 11.5

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.06 AU - 3.18 AU

Year: 2828 Days

Day: 14.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,476,391 km

• M1: 146,606 km (0.053 R)
• M2: 504,444 km (0.035 R)
• M3: 952,340 km (0.056 R)
• M4: 1,384,977 km (0.116 R)
• M5: 1,827,338 km (0.118 R)
• M6: 2,579,067 km (0.106 R)
• M7: 5,104,130 km (0.114 R)
• M8: 6,303,605 km (0.05 R)
• M9: 7,536,142 km (0.085 R)
• M10: 8,041,334 km (0.11 R)
• M11: 8,728,737 km (0.063 R)
• M12: 9,832,769 km (0.109 R)
• M13: 10,655,707 km (0.061 R)
• M14: 11,523,973 km (0.116 R)
• M15: 12,602,723 km (0.105 R)
• M16: 15,569,398 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.9

Radius: 14.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.53 AU - 3.59 AU

Year: 3570 Days

Day: 8.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,476,391 km

• M1: 180,864 km (0.097 R)
• M2: 836,402 km (0.116 R)
• M3: 1,329,626 km (0.115 R)
• M4: 1,892,413 km (0.041 R)
• M5: 2,916,410 km (0.114 R)
• M6: 4,148,349 km (0.117 R)
• M7: 7,024,069 km (0.117 R)
• M8: 7,722,392 km (0.078 R)
• M9: 13,075,003 km (0.119 R)
• M10: 17,895,496 km (0.059 R)
• M11: 20,902,562 km (0.07 R)
• M12: 21,446,052 km (0.069 R)
• M13: 25,596,046 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848

Radius: 4.5

Gravity: 41.88 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.25 AU - 9.32 AU

Year: 15888 Days

Day: 15.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 50,476,391 km

• M1: 55,950 km (0.051 R)
• M2: 209,736 km (0.064 R)
• M3: 457,620 km (0.099 R)
• M4: 1,011,880 km (0.114 R)
• M5: 1,373,907 km (0.116 R)
• M6: 1,609,673 km (0.111 R)
• M7: 2,203,128 km (0.108 R)
• M8: 2,459,688 km (0.059 R)
• M9: 3,007,067 km (0.033 R)
• M10: 3,350,244 km (0.068 R)
• M11: 3,545,619 km (0.085 R)
• M12: 4,917,432 km (0.043 R)
• M13: 5,584,489 km (0.12 R)
• M14: 5,980,175 km (0.11 R)
• M15: 6,479,383 km (0.117 R)
• M16: 7,946,041 km (0.117 R)
• M17: 9,344,481 km (0.097 R)
• M18: 9,676,289 km (0.064 R)
• M19: 11,897,668 km (0.055 R)
• M20: 18,584,543 km (0.097 R)
• M21: 21,022,091 km (0.118 R)
• M22: 21,879,586 km (0.108 R)
• M23: 22,073,315 km (0.069 R)
• M24: 25,330,211 km (0.106 R)
• M25: 25,758,509 km (0.078 R)
• M26: 31,528,050 km (0.097 R)
• M27: 34,188,050 km (0.094 R)
• M28: 38,382,326 km (0.088 R)
• M29: 39,517,923 km (0.051 R)
• M30: 41,262,833 km (0.085 R)
• M31: 48,922,244 km (0.061 R)
• M32: 52,649,175 km (0.101 R)
• M33: 54,759,702 km (0.05 R)
• M34: 59,902,279 km (0.043 R)
• M35: 62,395,477 km (0.118 R)
• M36: 63,372,650 km (0.058 R)
• M37: 67,178,569 km (0.048 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 408.7

Radius: 4.9

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.61 AU - 9.51 AU

Year: 16701 Days

Day: 24.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,476,391 km

• M1: 84,822 km (0.12 R)
• M2: 237,561 km (0.043 R)
• M3: 528,679 km (0.094 R)
• M4: 690,245 km (0.086 R)
• M5: 1,001,857 km (0.109 R)
• M6: 1,800,859 km (0.064 R)
• M7: 2,842,808 km (0.045 R)
• M8: 3,101,313 km (0.032 R)
• M9: 4,699,318 km (0.043 R)
• M10: 5,914,501 km (0.097 R)
• M11: 12,255,806 km (0.117 R)
• M12: 12,439,961 km (0.061 R)
• M13: 14,181,429 km (0.056 R)
• M14: 14,589,383 km (0.057 R)
• M15: 16,448,136 km (0.102 R)
• M16: 17,434,136 km (0.089 R)
• M17: 20,028,013 km (0.106 R)
• M18: 20,627,751 km (0.11 R)
• M19: 25,763,895 km (0.111 R)
• M20: 27,091,277 km (0.046 R)
• M21: 34,539,456 km (0.115 R)
• M22: 38,073,107 km (0.049 R)
• M23: 39,391,363 km (0.087 R)
• M24: 42,678,627 km (0.086 R)
• M25: 49,171,773 km (0.045 R)
• M26: 55,786,991 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.3

Radius: 6.5

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.38 AU - 10.18 AU

Year: 20396 Days

Day: 15.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,476,391 km

• M1: 80,783 km (0.117 R)
• M2: 307,274 km (0.101 R)
• M3: 821,891 km (0.09 R)
• M4: 1,040,004 km (0.045 R)
• M5: 1,284,747 km (0.072 R)
• M6: 1,596,808 km (0.105 R)
• M7: 1,826,889 km (0.076 R)
• M8: 3,070,197 km (0.096 R)
• M9: 3,656,770 km (0.089 R)
• M10: 5,246,547 km (0.062 R)
• M11: 7,711,770 km (0.073 R)
• M12: 12,266,726 km (0.108 R)
• M13: 12,984,497 km (0.107 R)
• M14: 15,305,957 km (0.026 R)
• M15: 18,656,799 km (0.092 R)
• M16: 23,267,854 km (0.105 R)
• M17: 24,273,152 km (0.114 R)
• M18: 24,552,302 km (0.036 R)
• M19: 26,077,302 km (0.068 R)
• M20: 27,563,408 km (0.115 R)
• M21: 28,173,468 km (0.104 R)
• M22: 28,896,325 km (0.088 R)
• M23: 32,810,852 km (0.111 R)
• M24: 33,152,085 km (0.119 R)
• M25: 36,331,488 km (0.044 R)
• M26: 45,791,609 km (0.097 R)
• M27: 47,222,961 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: 202 - 19,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit