🌌 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 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.39 AU - 0.63 AU

Year: 235 Days

Day: 25.2 Hours

Environment

Temp: -118 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,901,632 km

• M1: 48,470 km (0.119 R)
• M2: 419,323 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164

Radius: 14.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.72 AU - 0.8 AU

Year: 428 Days

Day: 6.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 48,901,632 km

• M1: 181,612 km (0.085 R)
• M2: 870,510 km (0.1 R)
• M3: 1,785,451 km (0.085 R)
• M4: 3,045,513 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.2

Radius: 8.7

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.05 AU - 1.35 AU

Year: 849 Days

Day: 9.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,901,632 km

• M1: 109,057 km (0.114 R)
• M2: 404,961 km (0.078 R)
• M3: 731,384 km (0.119 R)
• M4: 1,042,398 km (0.12 R)
• M5: 1,323,642 km (0.104 R)
• M6: 1,600,847 km (0.049 R)
• M7: 2,100,504 km (0.074 R)
• M8: 2,567,997 km (0.118 R)
• M9: 3,306,412 km (0.085 R)
• M10: 3,683,399 km (0.113 R)
• M11: 4,836,499 km (0.058 R)
• M12: 5,163,520 km (0.119 R)
• M13: 6,456,644 km (0.117 R)
• M14: 7,178,753 km (0.081 R)
• M15: 7,627,995 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.8

Radius: 14.5

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.78 AU - 1.92 AU

Year: 1625 Days

Day: 9.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,901,632 km

• M1: 180,265 km (0.064 R)
• M2: 882,627 km (0.105 R)
• M3: 2,048,294 km (0.112 R)
• M4: 2,947,527 km (0.052 R)
• M5: 3,440,901 km (0.06 R)
• M6: 7,502,333 km (0.116 R)
• M7: 8,662,913 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.6

Radius: 14.4

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.29 AU - 3.03 AU

Year: 2801 Days

Day: 13.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,901,632 km

• M1: 182,360 km (0.094 R)
• M2: 795,711 km (0.107 R)
• M3: 1,252,433 km (0.101 R)
• M4: 1,892,563 km (0.095 R)
• M5: 2,928,827 km (0.116 R)
• M6: 3,876,679 km (0.101 R)
• M7: 4,702,160 km (0.111 R)
• M8: 5,278,262 km (0.082 R)
• M9: 5,982,419 km (0.081 R)
• M10: 6,748,659 km (0.059 R)
• M11: 7,389,088 km (0.082 R)
• M12: 8,272,014 km (0.088 R)
• M13: 8,818,944 km (0.102 R)
• M14: 9,334,458 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 14.5

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.78 AU - 4.16 AU

Year: 4174 Days

Day: 13.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,901,632 km

• M1: 180,714 km (0.072 R)
• M2: 694,284 km (0.117 R)
• M3: 1,226,553 km (0.081 R)
• M4: 2,051,585 km (0.039 R)
• M5: 2,870,185 km (0.089 R)
• M6: 3,375,526 km (0.104 R)
• M7: 4,201,905 km (0.093 R)
• M8: 7,021,226 km (0.029 R)
• M9: 8,696,124 km (0.119 R)
• M10: 9,374,102 km (0.107 R)
• M11: 9,845,485 km (0.027 R)
• M12: 11,093,729 km (0.055 R)
• M13: 11,846,655 km (0.119 R)
• M14: 13,504,200 km (0.104 R)
• M15: 15,582,563 km (0.083 R)
• M16: 16,870,152 km (0.097 R)
• M17: 17,986,302 km (0.107 R)
• M18: 18,532,035 km (0.058 R)
• M19: 22,666,770 km (0.098 R)
• M20: 25,211,580 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.3

Radius: 10.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.35 AU - 6.61 AU

Year: 9442 Days

Day: 13.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,901,632 km

• M1: 126,859 km (0.075 R)
• M2: 458,817 km (0.108 R)
• M3: 863,329 km (0.081 R)
• M4: 1,241,662 km (0.075 R)
• M5: 1,571,825 km (0.097 R)
• M6: 2,022,264 km (0.066 R)
• M7: 3,122,856 km (0.083 R)
• M8: 3,745,482 km (0.091 R)
• M9: 4,776,361 km (0.088 R)
• M10: 5,510,737 km (0.11 R)
• M11: 6,051,982 km (0.119 R)
• M12: 6,558,670 km (0.111 R)
• M13: 7,093,333 km (0.109 R)
• M14: 8,959,117 km (0.114 R)
• M15: 10,642,243 km (0.092 R)
• M16: 12,313,102 km (0.104 R)
• M17: 12,961,908 km (0.038 R)
• M18: 14,152,108 km (0.078 R)
• M19: 16,683,454 km (0.074 R)
• M20: 18,858,008 km (0.109 R)
• M21: 20,235,206 km (0.116 R)
• M22: 26,685,119 km (0.051 R)
• M23: 27,863,202 km (0.119 R)
• M24: 29,170,538 km (0.104 R)
• M25: 30,910,810 km (0.095 R)
• M26: 36,325,654 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 345.1

Radius: 7.3

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.73 AU - 7.13 AU

Year: 11779 Days

Day: 16.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,901,632 km

• M1: 95,743 km (0.089 R)
• M2: 778,208 km (0.111 R)
• M3: 1,042,697 km (0.1 R)
• M4: 1,548,039 km (0.098 R)
• M5: 2,005,958 km (0.032 R)
• M6: 3,016,342 km (0.118 R)
• M7: 3,536,942 km (0.104 R)
• M8: 4,554,507 km (0.069 R)
• M9: 5,492,935 km (0.106 R)
• M10: 9,678,533 km (0.112 R)
• M11: 10,554,130 km (0.046 R)
• M12: 21,179,169 km (0.107 R)
• M13: 22,985,713 km (0.101 R)
• M14: 23,495,842 km (0.039 R)
• M15: 24,187,582 km (0.118 R)
• M16: 25,250,475 km (0.095 R)
• M17: 29,614,245 km (0.059 R)
• M18: 33,253,213 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.4

Radius: 8

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.8 AU - 8.58 AU

Year: 12448 Days

Day: 18.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,901,632 km

• M1: 109,506 km (0.056 R)
• M2: 450,290 km (0.07 R)
• M3: 716,873 km (0.118 R)
• M4: 1,114,355 km (0.084 R)
• M5: 1,443,619 km (0.098 R)
• M6: 1,901,539 km (0.104 R)
• M7: 3,587,507 km (0.081 R)
• M8: 4,172,135 km (0.068 R)
• M9: 5,069,872 km (0.047 R)
• M10: 5,598,401 km (0.089 R)
• M11: 5,876,204 km (0.117 R)
• M12: 6,126,781 km (0.113 R)
• M13: 6,611,328 km (0.092 R)
• M14: 7,406,142 km (0.118 R)
• M15: 7,741,391 km (0.045 R)
• M16: 8,130,644 km (0.106 R)
• M17: 8,624,168 km (0.088 R)
• M18: 9,621,387 km (0.113 R)
• M19: 10,640,747 km (0.116 R)
• M20: 14,257,874 km (0.108 R)
• M21: 16,624,363 km (0.038 R)
• M22: 17,127,161 km (0.115 R)
• M23: 18,773,934 km (0.099 R)
• M24: 25,180,014 km (0.085 R)
• M25: 28,003,973 km (0.095 R)
• M26: 29,335,694 km (0.102 R)
• M27: 30,709,301 km (0.119 R)
• M28: 31,575,473 km (0.106 R)
• M29: 32,346,800 km (0.043 R)
• M30: 32,681,151 km (0.087 R)
• M31: 35,321,703 km (0.102 R)
• M32: 40,763,325 km (0.044 R)
• M33: 43,546,893 km (0.077 R)
• M34: 45,611,194 km (0.116 R)
• M35: 47,739,672 km (0.116 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 13,388 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit