🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.8

Radius: 13.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.4 AU - 0.64 AU

Year: 250 Days

Day: 6.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,235,665 km

• M1: 177,722 km (0.105 R)
• M2: 610,060 km (0.064 R)
• M3: 1,091,765 km (0.068 R)
• M4: 1,941,032 km (0.099 R)
• M5: 2,941,393 km (0.057 R)
• M6: 3,520,636 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.2

Radius: 11

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.67 AU - 0.77 AU

Year: 407 Days

Day: 7.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,235,665 km

• M1: 136,882 km (0.103 R)
• M2: 483,500 km (0.045 R)
• M3: 826,229 km (0.065 R)
• M4: 1,225,506 km (0.092 R)
• M5: 1,708,856 km (0.088 R)
• M6: 2,197,742 km (0.065 R)
• M7: 2,651,173 km (0.083 R)
• M8: 3,227,873 km (0.082 R)
• M9: 3,579,727 km (0.115 R)
• M10: 4,137,578 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.4

Radius: 14.4

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.05 AU - 1.07 AU

Year: 728 Days

Day: 11.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,235,665 km

• M1: 179,069 km (0.065 R)
• M2: 664,364 km (0.108 R)
• M3: 1,152,801 km (0.117 R)
• M4: 2,153,312 km (0.105 R)
• M5: 2,970,116 km (0.108 R)
• M6: 4,000,845 km (0.083 R)
• M7: 4,508,281 km (0.092 R)
• M8: 5,094,855 km (0.113 R)
• M9: 5,731,992 km (0.077 R)
• M10: 6,853,378 km (0.053 R)
• M11: 7,847,156 km (0.07 R)
• M12: 8,544,582 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.4

Radius: 9.5

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.31 AU - 1.79 AU

Year: 1287 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,235,665 km

• M1: 118,182 km (0.12 R)
• M2: 455,077 km (0.118 R)
• M3: 773,571 km (0.118 R)
• M4: 1,114,654 km (0.099 R)
• M5: 1,659,190 km (0.084 R)
• M6: 1,961,228 km (0.111 R)
• M7: 2,996,745 km (0.095 R)
• M8: 5,129,711 km (0.087 R)
• M9: 5,712,395 km (0.086 R)
• M10: 6,266,804 km (0.107 R)
• M11: 6,705,725 km (0.1 R)
• M12: 7,009,707 km (0.04 R)
• M13: 7,537,040 km (0.082 R)
• M14: 7,893,681 km (0.104 R)
• M15: 8,261,692 km (0.036 R)
• M16: 8,581,831 km (0.093 R)
• M17: 9,309,625 km (0.113 R)
• M18: 11,379,760 km (0.091 R)
• M19: 12,446,393 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.8

Radius: 13.6

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.56 AU - 2.42 AU

Year: 1872 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,235,665 km

• M1: 171,589 km (0.09 R)
• M2: 633,397 km (0.098 R)
• M3: 2,234,843 km (0.086 R)
• M4: 3,229,519 km (0.113 R)
• M5: 4,261,894 km (0.063 R)
• M6: 4,877,040 km (0.045 R)
• M7: 6,440,488 km (0.106 R)
• M8: 8,566,722 km (0.078 R)
• M9: 9,720,870 km (0.087 R)
• M10: 10,606,938 km (0.08 R)
• M11: 11,468,921 km (0.098 R)
• M12: 13,079,043 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.4

Radius: 10.1

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.45 AU - 3.35 AU

Year: 3293 Days

Day: 10.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,235,665 km

• M1: 126,560 km (0.117 R)
• M2: 534,064 km (0.104 R)
• M3: 1,265,000 km (0.07 R)
• M4: 1,607,579 km (0.118 R)
• M5: 2,221,379 km (0.11 R)
• M6: 2,555,281 km (0.061 R)
• M7: 2,892,176 km (0.112 R)
• M8: 3,674,423 km (0.119 R)
• M9: 6,232,098 km (0.118 R)
• M10: 7,861,667 km (0.11 R)
• M11: 9,970,249 km (0.055 R)
• M12: 12,103,066 km (0.054 R)
• M13: 12,638,776 km (0.109 R)
• M14: 12,976,119 km (0.057 R)
• M15: 13,362,979 km (0.098 R)
• M16: 14,894,114 km (0.106 R)
• M17: 15,750,412 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.4

Radius: 5.7

Gravity: 19.8 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.17 AU - 6.55 AU

Year: 9460 Days

Day: 17.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,235,665 km

• M1: 72,106 km (0.093 R)
• M2: 262,843 km (0.092 R)
• M3: 513,569 km (0.118 R)
• M4: 768,185 km (0.106 R)
• M5: 2,057,569 km (0.061 R)
• M6: 2,303,358 km (0.118 R)
• M7: 2,854,327 km (0.113 R)
• M8: 3,737,553 km (0.114 R)
• M9: 4,611,953 km (0.104 R)
• M10: 8,216,962 km (0.053 R)
• M11: 10,171,907 km (0.078 R)
• M12: 11,418,057 km (0.096 R)
• M13: 12,303,378 km (0.06 R)
• M14: 15,762,380 km (0.116 R)
• M15: 16,099,573 km (0.11 R)
• M16: 16,372,889 km (0.068 R)
• M17: 16,718,759 km (0.096 R)
• M18: 18,004,253 km (0.118 R)
• M19: 19,124,741 km (0.109 R)
• M20: 21,094,347 km (0.11 R)
• M21: 22,086,181 km (0.119 R)
• M22: 22,423,524 km (0.091 R)
• M23: 27,515,088 km (0.106 R)
• M24: 29,709,539 km (0.117 R)
• M25: 30,017,561 km (0.097 R)
• M26: 30,744,606 km (0.094 R)
• M27: 32,125,844 km (0.103 R)
• M28: 32,558,929 km (0.08 R)
• M29: 36,634,424 km (0.112 R)
• M30: 36,988,522 km (0.111 R)
• M31: 39,039,060 km (0.11 R)
• M32: 39,656,301 km (0.097 R)
• M33: 41,291,555 km (0.114 R)
• M34: 42,840,342 km (0.036 R)
• M35: 43,233,635 km (0.047 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 18,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit