🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.7

Radius: 14.5

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.41 AU - 0.67 AU

Year: 269 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 61,481,621 km

• M1: 180,415 km (0.064 R)
• M2: 674,088 km (0.09 R)
• M3: 1,317,060 km (0.039 R)
• M4: 1,868,328 km (0.097 R)
• M5: 2,354,521 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.8

Radius: 9.1

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.87 AU - 0.89 AU

Year: 560 Days

Day: 5.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,481,621 km

• M1: 113,096 km (0.039 R)
• M2: 615,146 km (0.119 R)
• M3: 899,831 km (0.034 R)
• M4: 1,281,755 km (0.088 R)
• M5: 1,983,219 km (0.115 R)
• M6: 2,317,421 km (0.108 R)
• M7: 2,728,665 km (0.115 R)
• M8: 3,089,944 km (0.091 R)
• M9: 3,661,707 km (0.059 R)
• M10: 4,115,737 km (0.066 R)
• M11: 4,823,035 km (0.049 R)
• M12: 5,136,892 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.5

Radius: 9.9

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.75 AU - 1.11 AU

Year: 608 Days

Day: 12.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,481,621 km

• M1: 123,119 km (0.069 R)
• M2: 564,134 km (0.083 R)
• M3: 912,846 km (0.108 R)
• M4: 1,264,700 km (0.113 R)
• M5: 1,588,281 km (0.097 R)
• M6: 2,059,963 km (0.085 R)
• M7: 3,651,684 km (0.111 R)
• M8: 4,088,659 km (0.049 R)
• M9: 4,675,382 km (0.087 R)
• M10: 5,408,561 km (0.115 R)
• M11: 5,841,348 km (0.114 R)
• M12: 6,276,977 km (0.101 R)
• M13: 6,755,541 km (0.099 R)
• M14: 7,416,165 km (0.032 R)
• M15: 7,738,847 km (0.113 R)
• M16: 8,095,040 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 8.6

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.11 AU - 1.51 AU

Year: 1017 Days

Day: 13.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,481,621 km

• M1: 106,962 km (0.084 R)
• M2: 382,223 km (0.115 R)
• M3: 718,818 km (0.11 R)
• M4: 1,020,407 km (0.088 R)
• M5: 1,368,521 km (0.116 R)
• M6: 1,767,349 km (0.1 R)
• M7: 2,209,860 km (0.113 R)
• M8: 2,699,793 km (0.116 R)
• M9: 3,722,145 km (0.061 R)
• M10: 4,075,944 km (0.099 R)
• M11: 5,098,146 km (0.088 R)
• M12: 7,845,960 km (0.043 R)
• M13: 8,294,304 km (0.106 R)
• M14: 9,623,332 km (0.097 R)
• M15: 10,076,015 km (0.111 R)
• M16: 10,669,619 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.6

Radius: 13.1

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.64 AU - 4.34 AU

Year: 5406 Days

Day: 8.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,481,621 km

• M1: 162,912 km (0.119 R)
• M2: 709,842 km (0.029 R)
• M3: 1,148,612 km (0.044 R)
• M4: 2,700,242 km (0.106 R)
• M5: 4,951,390 km (0.118 R)
• M6: 5,414,396 km (0.113 R)
• M7: 5,906,423 km (0.108 R)
• M8: 7,161,848 km (0.105 R)
• M9: 7,983,141 km (0.074 R)
• M10: 10,547,847 km (0.088 R)
• M11: 12,610,951 km (0.08 R)
• M12: 16,861,326 km (0.053 R)
• M13: 18,894,660 km (0.084 R)
• M14: 20,772,562 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.9

Radius: 6.1

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 6.54 AU - 7.38 AU

Year: 12454 Days

Day: 24.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,481,621 km

• M1: 80,035 km (0.089 R)
• M2: 272,867 km (0.052 R)
• M3: 712,535 km (0.108 R)
• M4: 1,691,354 km (0.107 R)
• M5: 1,996,084 km (0.062 R)
• M6: 2,863,752 km (0.102 R)
• M7: 4,893,346 km (0.09 R)
• M8: 5,225,454 km (0.092 R)
• M9: 5,572,371 km (0.074 R)
• M10: 6,312,581 km (0.066 R)
• M11: 7,762,634 km (0.112 R)
• M12: 8,330,357 km (0.109 R)
• M13: 8,644,363 km (0.082 R)
• M14: 9,337,600 km (0.029 R)
• M15: 10,650,620 km (0.072 R)
• M16: 13,583,337 km (0.111 R)
• M17: 14,462,823 km (0.081 R)
• M18: 15,089,040 km (0.065 R)
• M19: 17,711,490 km (0.096 R)
• M20: 18,034,771 km (0.081 R)
• M21: 18,693,451 km (0.103 R)
• M22: 25,523,042 km (0.106 R)
• M23: 28,949,731 km (0.112 R)
• M24: 30,126,318 km (0.063 R)
• M25: 31,712,505 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932

Radius: 5.5

Gravity: 30.81 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.87 AU - 7.05 AU

Year: 12454 Days

Day: 24.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,481,621 km

• M1: 70,012 km (0.106 R)
• M2: 329,564 km (0.118 R)
• M3: 749,485 km (0.048 R)
• M4: 1,086,679 km (0.115 R)
• M5: 1,566,140 km (0.105 R)
• M6: 2,701,438 km (0.111 R)
• M7: 5,123,428 km (0.028 R)
• M8: 5,739,622 km (0.111 R)
• M9: 6,902,745 km (0.046 R)
• M10: 8,311,209 km (0.095 R)
• M11: 8,505,836 km (0.077 R)
• M12: 8,853,950 km (0.056 R)
• M13: 9,315,310 km (0.086 R)
• M14: 9,631,709 km (0.061 R)
• M15: 12,050,856 km (0.05 R)
• M16: 12,237,704 km (0.097 R)
• M17: 12,939,617 km (0.065 R)
• M18: 14,423,479 km (0.086 R)
• M19: 14,634,113 km (0.076 R)
• M20: 15,793,197 km (0.116 R)
• M21: 16,934,030 km (0.075 R)
• M22: 20,243,135 km (0.112 R)
• M23: 21,133,093 km (0.11 R)
• M24: 26,498,720 km (0.052 R)
• M25: 27,027,399 km (0.087 R)
• M26: 31,630,076 km (0.076 R)
• M27: 37,518,248 km (0.081 R)
• M28: 40,230,907 km (0.089 R)
• M29: 45,438,259 km (0.11 R)
• M30: 48,831,887 km (0.076 R)
• M31: 52,888,981 km (0.1 R)
• M32: 57,340,864 km (0.116 R)
• M33: 58,759,201 km (0.115 R)
• M34: 60,930,614 km (0.086 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: 413 - 20,135 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit