🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.8

Radius: 8.4

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.63 AU - 0.79 AU

Year: 399 Days

Day: 7.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,511,599 km

• M1: 104,569 km (0.117 R)
• M2: 445,353 km (0.05 R)
• M3: 720,763 km (0.101 R)
• M4: 1,029,233 km (0.078 R)
• M5: 1,365,679 km (0.101 R)
• M6: 1,634,506 km (0.077 R)
• M7: 1,977,983 km (0.061 R)
• M8: 2,645,788 km (0.083 R)
• M9: 3,536,942 km (0.084 R)
• M10: 4,615,244 km (0.088 R)
• M11: 4,989,837 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.9

Radius: 10.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.73 AU - 1.85 AU

Year: 1597 Days

Day: 13.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,511,599 km

• M1: 126,859 km (0.078 R)
• M2: 648,956 km (0.112 R)
• M3: 1,050,476 km (0.041 R)
• M4: 2,022,114 km (0.1 R)
• M5: 2,531,196 km (0.077 R)
• M6: 2,949,920 km (0.096 R)
• M7: 3,997,405 km (0.115 R)
• M8: 4,684,508 km (0.073 R)
• M9: 5,087,524 km (0.106 R)
• M10: 5,986,907 km (0.053 R)
• M11: 6,988,764 km (0.118 R)
• M12: 7,462,391 km (0.09 R)
• M13: 8,386,457 km (0.1 R)
• M14: 9,259,959 km (0.067 R)
• M15: 9,799,558 km (0.112 R)
• M16: 10,461,080 km (0.12 R)
• M17: 11,152,222 km (0.087 R)
• M18: 11,763,180 km (0.096 R)
• M19: 12,510,571 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 13.3

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.6 AU - 2.34 AU

Year: 1844 Days

Day: 10.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,511,599 km

• M1: 165,455 km (0.065 R)
• M2: 1,204,263 km (0.115 R)
• M3: 1,858,305 km (0.076 R)
• M4: 3,018,885 km (0.097 R)
• M5: 3,586,160 km (0.074 R)
• M6: 4,328,614 km (0.099 R)
• M7: 5,231,438 km (0.078 R)
• M8: 5,835,364 km (0.087 R)
• M9: 6,370,027 km (0.119 R)
• M10: 9,888,569 km (0.094 R)
• M11: 11,315,733 km (0.106 R)
• M12: 11,762,581 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.7

Radius: 11.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.97 AU - 4.39 AU

Year: 5699 Days

Day: 11 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,511,599 km

• M1: 145,110 km (0.078 R)
• M2: 1,028,485 km (0.094 R)
• M3: 1,413,251 km (0.118 R)
• M4: 2,053,081 km (0.117 R)
• M5: 2,565,304 km (0.081 R)
• M6: 2,999,886 km (0.098 R)
• M7: 3,582,420 km (0.075 R)
• M8: 4,194,575 km (0.118 R)
• M9: 4,999,860 km (0.112 R)
• M10: 7,365,302 km (0.104 R)
• M11: 7,936,317 km (0.069 R)
• M12: 9,907,717 km (0.114 R)
• M13: 11,821,673 km (0.06 R)
• M14: 13,571,070 km (0.05 R)
• M15: 15,432,666 km (0.111 R)
• M16: 16,537,745 km (0.117 R)
• M17: 18,414,301 km (0.056 R)
• M18: 18,904,833 km (0.067 R)
• M19: 19,848,047 km (0.095 R)
• M20: 20,690,582 km (0.102 R)
• M21: 24,521,335 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.3

Radius: 9.1

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.24 AU - 6.54 AU

Year: 8345 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,511,599 km

• M1: 116,836 km (0.032 R)
• M2: 516,561 km (0.105 R)
• M3: 925,263 km (0.11 R)
• M4: 1,244,355 km (0.109 R)
• M5: 1,776,924 km (0.094 R)
• M6: 2,774,741 km (0.111 R)
• M7: 4,424,656 km (0.075 R)
• M8: 5,760,715 km (0.115 R)
• M9: 8,262,290 km (0.107 R)
• M10: 9,430,949 km (0.086 R)
• M11: 11,566,309 km (0.102 R)
• M12: 13,308,825 km (0.045 R)
• M13: 15,033,090 km (0.107 R)
• M14: 15,470,664 km (0.063 R)
• M15: 19,949,026 km (0.101 R)
• M16: 20,401,559 km (0.045 R)
• M17: 21,641,726 km (0.105 R)
• M18: 26,469,398 km (0.082 R)
• M19: 29,862,278 km (0.054 R)
• M20: 30,653,800 km (0.085 R)
• M21: 38,534,317 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.4

Radius: 6.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.08 AU - 6.34 AU

Year: 10320 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,511,599 km

• M1: 80,932 km (0.118 R)
• M2: 532,120 km (0.095 R)
• M3: 860,786 km (0.097 R)
• M4: 1,106,875 km (0.098 R)
• M5: 1,365,081 km (0.085 R)
• M6: 1,730,698 km (0.092 R)
• M7: 2,034,681 km (0.09 R)
• M8: 2,290,044 km (0.057 R)
• M9: 3,003,177 km (0.071 R)
• M10: 3,808,014 km (0.076 R)
• M11: 6,155,803 km (0.043 R)
• M12: 6,658,003 km (0.057 R)
• M13: 7,443,691 km (0.101 R)
• M14: 8,013,659 km (0.069 R)
• M15: 9,500,213 km (0.101 R)
• M16: 9,853,862 km (0.093 R)
• M17: 10,124,933 km (0.062 R)
• M18: 10,920,046 km (0.116 R)
• M19: 11,505,722 km (0.073 R)
• M20: 12,900,124 km (0.112 R)
• M21: 14,230,946 km (0.108 R)
• M22: 16,776,055 km (0.117 R)
• M23: 18,155,646 km (0.101 R)
• M24: 19,894,722 km (0.119 R)
• M25: 21,064,278 km (0.114 R)
• M26: 21,514,418 km (0.083 R)
• M27: 22,667,967 km (0.117 R)
• M28: 24,105,752 km (0.062 R)
• M29: 26,288,684 km (0.1 R)
• M30: 26,810,482 km (0.087 R)
• M31: 27,073,923 km (0.073 R)
• M32: 33,317,241 km (0.086 R)
• M33: 33,826,023 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.4

Radius: 4.9

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.89 AU - 6.57 AU

Year: 10370 Days

Day: 22.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,511,599 km

• M1: 61,186 km (0.094 R)
• M2: 275,110 km (0.065 R)
• M3: 586,872 km (0.117 R)
• M4: 894,595 km (0.086 R)
• M5: 2,368,284 km (0.074 R)
• M6: 4,219,558 km (0.064 R)
• M7: 7,033,344 km (0.085 R)
• M8: 7,240,088 km (0.052 R)
• M9: 9,494,977 km (0.097 R)
• M10: 10,577,467 km (0.079 R)
• M11: 12,030,960 km (0.113 R)
• M12: 13,243,899 km (0.093 R)
• M13: 13,559,401 km (0.097 R)
• M14: 13,933,845 km (0.053 R)
• M15: 21,688,998 km (0.083 R)
• M16: 22,053,868 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.1

Radius: 3.4

Gravity: 38.85 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.21 AU - 7.49 AU

Year: 11955 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 59,511,599 km

• M1: 42,486 km (0.074 R)
• M2: 194,178 km (0.088 R)
• M3: 368,759 km (0.09 R)
• M4: 541,245 km (0.053 R)
• M5: 783,294 km (0.118 R)
• M6: 995,723 km (0.051 R)
• M7: 1,115,701 km (0.095 R)
• M8: 1,711,100 km (0.118 R)
• M9: 1,820,008 km (0.115 R)
• M10: 2,086,142 km (0.1 R)
• M11: 3,019,184 km (0.089 R)
• M12: 3,155,468 km (0.114 R)
• M13: 3,564,169 km (0.11 R)
• M14: 4,284,333 km (0.09 R)
• M15: 4,845,924 km (0.088 R)
• M16: 5,290,080 km (0.094 R)
• M17: 5,522,106 km (0.118 R)
• M18: 6,555,977 km (0.068 R)
• M19: 7,058,776 km (0.036 R)
• M20: 7,299,329 km (0.12 R)
• M21: 7,462,690 km (0.097 R)
• M22: 11,649,186 km (0.108 R)
• M23: 13,948,655 km (0.1 R)
• M24: 16,185,442 km (0.117 R)
• M25: 16,533,407 km (0.108 R)
• M26: 19,264,466 km (0.105 R)
• M27: 19,420,048 km (0.111 R)
• M28: 22,110,864 km (0.045 R)
• M29: 22,452,995 km (0.118 R)
• M30: 24,489,171 km (0.07 R)
• M31: 25,692,836 km (0.107 R)
• M32: 28,924,150 km (0.091 R)
• M33: 33,079,680 km (0.077 R)
• M34: 33,527,127 km (0.06 R)
• M35: 35,942,684 km (0.086 R)
• M36: 37,981,104 km (0.079 R)
• M37: 40,349,089 km (0.076 R)
• M38: 42,286,531 km (0.112 R)
• M39: 46,625,318 km (0.105 R)
• M40: 46,765,491 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.5

Radius: 3.4

Gravity: 64.49 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6.7 AU - 7.98 AU

Year: 13261 Days

Day: 19.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,511,599 km

• M1: 42,486 km (0.098 R)
• M2: 182,210 km (0.106 R)
• M3: 329,265 km (0.086 R)
• M4: 971,489 km (0.102 R)
• M5: 2,484,372 km (0.081 R)
• M6: 4,051,709 km (0.096 R)
• M7: 5,005,246 km (0.104 R)
• M8: 6,375,562 km (0.082 R)
• M9: 6,537,277 km (0.113 R)
• M10: 15,341,262 km (0.115 R)
• M11: 16,000,091 km (0.075 R)
• M12: 17,373,698 km (0.082 R)
• M13: 21,058,294 km (0.073 R)
• M14: 21,237,213 km (0.039 R)
• M15: 34,540,054 km (0.063 R)
• M16: 42,391,698 km (0.055 R)
• M17: 42,963,312 km (0.084 R)
• M18: 50,228,981 km (0.094 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 12,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit