🌌 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: 257.5

Radius: 10.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.49 AU - 0.73 AU

Year: 323 Days

Day: 12.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,837,675 km

• M1: 131,796 km (0.119 R)
• M2: 505,342 km (0.097 R)
• M3: 879,785 km (0.072 R)
• M4: 1,345,932 km (0.052 R)
• M5: 1,784,553 km (0.068 R)
• M6: 2,177,098 km (0.068 R)
• M7: 2,762,025 km (0.053 R)
• M8: 3,272,154 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.1

Radius: 11.5

Gravity: 6.38 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.98 AU - 4.06 AU

Year: 5467 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,837,675 km

• M1: 143,016 km (0.073 R)
• M2: 559,197 km (0.11 R)
• M3: 1,029,981 km (0.113 R)
• M4: 1,394,551 km (0.101 R)
• M5: 1,819,858 km (0.093 R)
• M6: 2,605,247 km (0.087 R)
• M7: 3,693,871 km (0.054 R)
• M8: 4,392,493 km (0.066 R)
• M9: 6,920,098 km (0.096 R)
• M10: 7,679,158 km (0.038 R)
• M11: 8,776,608 km (0.085 R)
• M12: 10,200,780 km (0.064 R)
• M13: 10,896,858 km (0.088 R)
• M14: 13,122,426 km (0.111 R)
• M15: 13,723,061 km (0.084 R)
• M16: 14,803,607 km (0.085 R)
• M17: 15,334,829 km (0.109 R)
• M18: 16,310,805 km (0.064 R)
• M19: 19,982,685 km (0.034 R)
• M20: 22,509,393 km (0.089 R)
• M21: 25,493,272 km (0.109 R)
• M22: 26,601,493 km (0.094 R)
• M23: 30,496,424 km (0.114 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898.3

Radius: 7.2

Gravity: 17.33 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.03 AU - 6.55 AU

Year: 9450 Days

Day: 22 Hours

Environment

Temp: -217 °C

Axial Tilt: 145.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,837,675 km

• M1: 89,609 km (0.093 R)
• M2: 346,169 km (0.113 R)
• M3: 648,806 km (0.063 R)
• M4: 1,049,429 km (0.095 R)
• M5: 1,869,225 km (0.114 R)
• M6: 2,501,875 km (0.091 R)
• M7: 3,104,305 km (0.092 R)
• M8: 3,341,568 km (0.107 R)
• M9: 3,933,826 km (0.104 R)
• M10: 5,160,229 km (0.098 R)
• M11: 5,563,096 km (0.113 R)
• M12: 6,546,104 km (0.094 R)
• M13: 6,818,970 km (0.1 R)
• M14: 7,058,776 km (0.103 R)
• M15: 7,304,266 km (0.072 R)
• M16: 9,777,717 km (0.052 R)
• M17: 11,593,237 km (0.072 R)
• M18: 12,881,125 km (0.071 R)
• M19: 15,257,786 km (0.071 R)
• M20: 17,314,009 km (0.105 R)
• M21: 19,070,737 km (0.095 R)
• M22: 19,628,288 km (0.086 R)
• M23: 20,114,630 km (0.106 R)
• M24: 22,579,704 km (0.11 R)
• M25: 33,529,221 km (0.109 R)
• M26: 35,403,982 km (0.068 R)
• M27: 35,763,017 km (0.093 R)
• M28: 43,602,992 km (0.1 R)
• M29: 44,153,812 km (0.043 R)
• M30: 48,433,657 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 692.4

Radius: 4.7

Gravity: 31.34 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.22 AU - 7.12 AU

Year: 10395 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,837,675 km

• M1: 59,839 km (0.088 R)
• M2: 256,710 km (0.055 R)
• M3: 748,588 km (0.092 R)
• M4: 1,007,542 km (0.06 R)
• M5: 1,751,043 km (0.101 R)
• M6: 4,491,676 km (0.088 R)
• M7: 5,144,820 km (0.118 R)
• M8: 5,511,186 km (0.034 R)
• M9: 7,192,965 km (0.106 R)
• M10: 7,779,089 km (0.069 R)
• M11: 8,261,542 km (0.103 R)
• M12: 9,579,200 km (0.062 R)
• M13: 10,030,836 km (0.116 R)
• M14: 10,655,108 km (0.077 R)
• M15: 12,037,991 km (0.069 R)
• M16: 13,044,037 km (0.119 R)
• M17: 13,661,278 km (0.085 R)
• M18: 14,427,518 km (0.108 R)
• M19: 17,929,754 km (0.096 R)
• M20: 19,396,860 km (0.067 R)
• M21: 19,715,653 km (0.086 R)
• M22: 23,187,072 km (0.075 R)
• M23: 25,874,597 km (0.059 R)
• M24: 27,442,832 km (0.097 R)
• M25: 31,969,065 km (0.077 R)
• M26: 34,933,945 km (0.076 R)
• M27: 39,973,299 km (0.081 R)
• M28: 45,476,257 km (0.119 R)
• M29: 47,465,011 km (0.114 R)
• M30: 47,898,545 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.2

Radius: 6.8

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.58 AU - 9.04 AU

Year: 13405 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,837,675 km

• M1: 84,822 km (0.115 R)
• M2: 603,627 km (0.107 R)
• M3: 883,525 km (0.116 R)
• M4: 1,637,648 km (0.102 R)
• M5: 4,707,247 km (0.097 R)
• M6: 5,276,616 km (0.092 R)
• M7: 5,680,979 km (0.088 R)
• M8: 6,252,144 km (0.099 R)
• M9: 6,743,722 km (0.1 R)
• M10: 15,414,116 km (0.114 R)
• M11: 18,130,364 km (0.12 R)
• M12: 22,428,760 km (0.064 R)
• M13: 24,213,163 km (0.12 R)
• M14: 25,517,058 km (0.064 R)
• M15: 34,569,974 km (0.066 R)
• M16: 35,036,569 km (0.046 R)
• M17: 35,389,171 km (0.109 R)
• M18: 42,281,445 km (0.106 R)
• M19: 42,681,320 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 17,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit