🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.8

Radius: 12.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.51 AU - 0.69 AU

Year: 321 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,504,011 km

• M1: 160,668 km (0.087 R)
• M2: 667,356 km (0.114 R)
• M3: 1,368,073 km (0.079 R)
• M4: 1,982,770 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.1

Radius: 9.6

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.74 AU - 0.82 AU

Year: 476 Days

Day: 7.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,504,011 km

• M1: 119,379 km (0.115 R)
• M2: 571,913 km (0.068 R)
• M3: 942,467 km (0.102 R)
• M4: 1,303,297 km (0.099 R)
• M5: 1,682,677 km (0.116 R)
• M6: 2,658,504 km (0.059 R)
• M7: 4,677,177 km (0.108 R)
• M8: 5,265,695 km (0.089 R)
• M9: 5,972,545 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.2

Radius: 10.1

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.88 AU - 1.12 AU

Year: 690 Days

Day: 5 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,504,011 km

• M1: 125,662 km (0.093 R)
• M2: 449,990 km (0.102 R)
• M3: 769,232 km (0.099 R)
• M4: 1,184,666 km (0.116 R)
• M5: 1,689,708 km (0.112 R)
• M6: 2,007,603 km (0.119 R)
• M7: 2,731,807 km (0.082 R)
• M8: 3,305,365 km (0.084 R)
• M9: 4,002,790 km (0.062 R)
• M10: 4,847,270 km (0.109 R)
• M11: 5,184,015 km (0.119 R)
• M12: 5,536,318 km (0.093 R)
• M13: 6,044,502 km (0.05 R)
• M14: 7,064,460 km (0.095 R)
• M15: 7,451,919 km (0.045 R)
• M16: 7,950,229 km (0.09 R)
• M17: 8,623,420 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.7

Radius: 11.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.97 AU - 1.07 AU

Year: 711 Days

Day: 13.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,504,011 km

• M1: 143,016 km (0.104 R)
• M2: 553,662 km (0.065 R)
• M3: 1,196,633 km (0.086 R)
• M4: 1,739,973 km (0.09 R)
• M5: 2,414,360 km (0.091 R)
• M6: 3,268,115 km (0.117 R)
• M7: 3,685,643 km (0.111 R)
• M8: 4,239,753 km (0.062 R)
• M9: 5,091,863 km (0.094 R)
• M10: 5,463,314 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.5

Radius: 11.5

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.19 AU - 1.21 AU

Year: 907 Days

Day: 8.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,504,011 km

• M1: 143,016 km (0.1 R)
• M2: 589,266 km (0.112 R)
• M3: 1,134,999 km (0.062 R)
• M4: 1,735,934 km (0.096 R)
• M5: 2,262,219 km (0.066 R)
• M6: 2,918,654 km (0.115 R)
• M7: 3,348,300 km (0.077 R)
• M8: 3,774,205 km (0.062 R)
• M9: 4,353,298 km (0.064 R)
• M10: 4,917,132 km (0.078 R)
• M11: 5,430,253 km (0.05 R)
• M12: 6,744,919 km (0.09 R)
• M13: 7,501,436 km (0.065 R)
• M14: 8,079,482 km (0.108 R)
• M15: 8,850,360 km (0.049 R)
• M16: 9,582,641 km (0.053 R)
• M17: 9,963,817 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.8

Radius: 14.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.9 AU - 4.28 AU

Year: 5709 Days

Day: 13.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,504,011 km

• M1: 184,005 km (0.111 R)
• M2: 1,188,106 km (0.086 R)
• M3: 1,681,181 km (0.106 R)
• M4: 2,285,257 km (0.045 R)
• M5: 3,553,249 km (0.106 R)
• M6: 4,198,913 km (0.114 R)
• M7: 4,824,531 km (0.112 R)
• M8: 5,646,123 km (0.049 R)
• M9: 6,263,962 km (0.082 R)
• M10: 6,926,681 km (0.106 R)
• M11: 9,049,624 km (0.094 R)
• M12: 10,424,279 km (0.071 R)
• M13: 11,011,750 km (0.102 R)
• M14: 12,115,782 km (0.09 R)
• M15: 16,259,194 km (0.071 R)
• M16: 17,108,012 km (0.1 R)
• M17: 17,690,247 km (0.086 R)
• M18: 18,225,509 km (0.086 R)
• M19: 19,203,729 km (0.063 R)
• M20: 23,470,410 km (0.115 R)
• M21: 24,702,199 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.9

Radius: 3.3

Gravity: 84.93 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 7.32 AU - 7.6 AU

Year: 14064 Days

Day: 23.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,504,011 km

• M1: 48,320 km (0.061 R)
• M2: 211,980 km (0.116 R)
• M3: 533,915 km (0.112 R)
• M4: 656,585 km (0.082 R)
• M5: 788,082 km (0.099 R)
• M6: 1,018,462 km (0.118 R)
• M7: 1,250,040 km (0.062 R)
• M8: 1,871,619 km (0.079 R)
• M9: 2,280,769 km (0.115 R)
• M10: 2,989,414 km (0.111 R)
• M11: 3,246,423 km (0.105 R)
• M12: 3,923,204 km (0.118 R)
• M13: 4,825,728 km (0.105 R)
• M14: 5,288,584 km (0.113 R)
• M15: 6,810,144 km (0.114 R)
• M16: 7,074,334 km (0.112 R)
• M17: 7,299,778 km (0.055 R)
• M18: 7,623,358 km (0.104 R)
• M19: 8,702,707 km (0.107 R)
• M20: 10,799,919 km (0.078 R)
• M21: 12,610,502 km (0.073 R)
• M22: 13,484,004 km (0.052 R)
• M23: 13,760,611 km (0.057 R)
• M24: 16,034,797 km (0.109 R)
• M25: 16,898,426 km (0.12 R)
• M26: 17,220,061 km (0.077 R)
• M27: 25,684,309 km (0.074 R)
• M28: 26,109,316 km (0.082 R)
• M29: 27,082,750 km (0.106 R)
• M30: 27,192,405 km (0.071 R)
• M31: 27,745,019 km (0.084 R)
• M32: 34,070,017 km (0.048 R)
• M33: 36,285,861 km (0.098 R)
• M34: 40,427,029 km (0.049 R)
• M35: 42,907,811 km (0.102 R)
• M36: 62,979,208 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 12,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit