🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.53 AU - 0.55 AU

Year: 256 Days

Day: 17.6 Hours

Environment

Temp: -126 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,325,217 km

• M1: 408,103 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 12.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.82 AU - 0.96 AU

Year: 542 Days

Day: 11.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,325,217 km

• M1: 160,519 km (0.079 R)
• M2: 639,680 km (0.084 R)
• M3: 1,083,986 km (0.094 R)
• M4: 1,677,591 km (0.101 R)
• M5: 2,376,961 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.3

Radius: 14.4

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.76 AU - 1.1 AU

Year: 579 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,325,217 km

• M1: 179,069 km (0.031 R)
• M2: 706,700 km (0.036 R)
• M3: 1,182,870 km (0.088 R)
• M4: 1,751,492 km (0.083 R)
• M5: 2,451,012 km (0.071 R)
• M6: 3,145,295 km (0.11 R)
• M7: 4,604,622 km (0.113 R)
• M8: 5,186,109 km (0.06 R)
• M9: 6,006,055 km (0.095 R)
• M10: 6,953,010 km (0.102 R)
• M11: 7,407,339 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.4

Radius: 13.6

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.38 AU - 4.68 AU

Year: 5224 Days

Day: 14.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,325,217 km

• M1: 169,195 km (0.114 R)
• M2: 768,634 km (0.108 R)
• M3: 1,324,240 km (0.096 R)
• M4: 1,903,184 km (0.106 R)
• M5: 4,369,455 km (0.044 R)
• M6: 6,980,536 km (0.057 R)
• M7: 9,493,780 km (0.076 R)
• M8: 10,184,324 km (0.078 R)
• M9: 16,846,815 km (0.072 R)
• M10: 20,007,369 km (0.101 R)
• M11: 21,875,098 km (0.088 R)
• M12: 25,052,407 km (0.055 R)
• M13: 28,173,468 km (0.088 R)
• M14: 29,419,319 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.3

Radius: 10.5

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 3.56 AU - 4.98 AU

Year: 5697 Days

Day: 6.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,325,217 km

• M1: 130,749 km (0.086 R)
• M2: 508,184 km (0.109 R)
• M3: 1,679,386 km (0.103 R)
• M4: 2,030,791 km (0.117 R)
• M5: 2,555,730 km (0.066 R)
• M6: 4,431,388 km (0.089 R)
• M7: 4,910,550 km (0.084 R)
• M8: 8,368,954 km (0.115 R)
• M9: 10,120,894 km (0.093 R)
• M10: 15,065,852 km (0.118 R)
• M11: 17,405,413 km (0.083 R)
• M12: 19,658,656 km (0.097 R)
• M13: 20,625,208 km (0.102 R)
• M14: 21,421,069 km (0.116 R)
• M15: 22,099,794 km (0.079 R)
• M16: 22,792,732 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.3

Radius: 7.8

Gravity: 15.46 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.21 AU - 8.17 AU

Year: 11173 Days

Day: 17.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,325,217 km

• M1: 97,089 km (0.083 R)
• M2: 349,610 km (0.116 R)
• M3: 1,103,434 km (0.034 R)
• M4: 1,753,885 km (0.091 R)
• M5: 2,080,906 km (0.094 R)
• M6: 3,441,649 km (0.054 R)
• M7: 4,189,638 km (0.091 R)
• M8: 6,118,254 km (0.098 R)
• M9: 6,670,120 km (0.089 R)
• M10: 7,169,029 km (0.052 R)
• M11: 7,827,559 km (0.103 R)
• M12: 8,335,593 km (0.08 R)
• M13: 9,214,182 km (0.076 R)
• M14: 14,967,417 km (0.104 R)
• M15: 17,319,095 km (0.079 R)
• M16: 17,707,451 km (0.101 R)
• M17: 19,906,390 km (0.053 R)
• M18: 21,203,553 km (0.12 R)
• M19: 24,254,004 km (0.115 R)
• M20: 27,061,956 km (0.12 R)
• M21: 33,794,009 km (0.098 R)
• M22: 37,028,914 km (0.101 R)
• M23: 38,064,281 km (0.084 R)
• M24: 48,573,681 km (0.066 R)
• M25: 51,553,670 km (0.084 R)
• M26: 53,825,912 km (0.118 R)
• M27: 55,489,291 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.9

Radius: 3.1

Gravity: 91.66 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 8.52 AU - 12.06 AU

Year: 21313 Days

Day: 22.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 86,325,217 km

• M1: 39,494 km (0.107 R)
• M2: 138,378 km (0.076 R)
• M3: 771,027 km (0.038 R)
• M4: 2,142,989 km (0.074 R)
• M5: 2,486,765 km (0.075 R)
• M6: 3,429,980 km (0.095 R)
• M7: 4,234,368 km (0.068 R)
• M8: 4,480,456 km (0.11 R)
• M9: 4,588,765 km (0.078 R)
• M10: 5,478,424 km (0.118 R)
• M11: 5,942,177 km (0.118 R)
• M12: 6,117,057 km (0.055 R)
• M13: 6,385,735 km (0.099 R)
• M14: 7,849,101 km (0.078 R)
• M15: 8,382,717 km (0.077 R)
• M16: 9,521,605 km (0.08 R)
• M17: 10,190,158 km (0.114 R)
• M18: 13,251,679 km (0.114 R)
• M19: 14,006,549 km (0.051 R)
• M20: 14,238,426 km (0.077 R)
• M21: 14,472,996 km (0.096 R)
• M22: 14,709,959 km (0.104 R)
• M23: 15,601,412 km (0.085 R)
• M24: 16,357,031 km (0.114 R)
• M25: 17,048,921 km (0.101 R)
• M26: 19,336,422 km (0.101 R)
• M27: 22,027,838 km (0.113 R)
• M28: 24,508,918 km (0.106 R)
• M29: 29,761,898 km (0.095 R)
• M30: 32,244,923 km (0.08 R)
• M31: 36,732,710 km (0.11 R)
• M32: 39,431,306 km (0.052 R)
• M33: 46,577,596 km (0.084 R)
• M34: 49,733,663 km (0.073 R)
• M35: 63,151,395 km (0.119 R)
• M36: 68,997,081 km (0.077 R)
• M37: 72,625,727 km (0.118 R)
• M38: 76,379,437 km (0.108 R)
• M39: 79,033,901 km (0.119 R)
• M40: 79,768,277 km (0.115 R)
• M41: 81,749,103 km (0.061 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 13,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit