🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.7

Radius: 10.2

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.76 AU - 1.18 AU

Year: 648 Days

Day: 10.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 85,227,079 km

• M1: 127,009 km (0.028 R)
• M2: 464,053 km (0.11 R)
• M3: 824,583 km (0.055 R)
• M4: 1,413,401 km (0.117 R)
• M5: 1,920,089 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.6

Radius: 14.6

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.85 AU - 1.21 AU

Year: 709 Days

Day: 12.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,227,079 km

• M1: 181,612 km (0.092 R)
• M2: 721,660 km (0.1 R)
• M3: 1,192,445 km (0.063 R)
• M4: 1,690,456 km (0.098 R)
• M5: 2,436,800 km (0.107 R)
• M6: 3,070,197 km (0.034 R)
• M7: 4,563,184 km (0.103 R)
• M8: 5,073,313 km (0.062 R)
• M9: 6,058,265 km (0.109 R)
• M10: 6,817,175 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.6

Radius: 14.2

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.92 AU - 1.18 AU

Year: 730 Days

Day: 6.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 53.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,227,079 km

• M1: 176,675 km (0.118 R)
• M2: 671,844 km (0.09 R)
• M3: 1,207,255 km (0.055 R)
• M4: 1,839,904 km (0.109 R)
• M5: 2,354,521 km (0.043 R)
• M6: 3,188,080 km (0.112 R)
• M7: 3,734,860 km (0.098 R)
• M8: 4,823,783 km (0.071 R)
• M9: 6,228,956 km (0.084 R)
• M10: 6,679,844 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645

Radius: 11.2

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.47 AU - 1.59 AU

Year: 1284 Days

Day: 7 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,227,079 km

• M1: 139,425 km (0.066 R)
• M2: 508,633 km (0.107 R)
• M3: 906,862 km (0.081 R)
• M4: 1,688,212 km (0.119 R)
• M5: 2,073,127 km (0.108 R)
• M6: 2,928,079 km (0.054 R)
• M7: 3,645,401 km (0.103 R)
• M8: 4,830,814 km (0.048 R)
• M9: 5,204,061 km (0.089 R)
• M10: 5,898,644 km (0.062 R)
• M11: 6,677,899 km (0.084 R)
• M12: 7,192,516 km (0.054 R)
• M13: 8,136,479 km (0.087 R)
• M14: 8,897,184 km (0.045 R)
• M15: 9,521,007 km (0.12 R)
• M16: 10,823,256 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.7

Radius: 9.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.76 AU - 2.36 AU

Year: 2005 Days

Day: 10.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 85,227,079 km

• M1: 118,631 km (0.12 R)
• M2: 431,590 km (0.11 R)
• M3: 895,194 km (0.052 R)
• M4: 1,676,843 km (0.117 R)
• M5: 2,487,663 km (0.096 R)
• M6: 3,674,572 km (0.085 R)
• M7: 4,309,316 km (0.097 R)
• M8: 4,848,467 km (0.096 R)
• M9: 5,290,529 km (0.114 R)
• M10: 5,685,617 km (0.11 R)
• M11: 6,119,450 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.5

Radius: 14.3

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.44 AU - 3.32 AU

Year: 3315 Days

Day: 13.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,227,079 km

• M1: 177,872 km (0.088 R)
• M2: 635,791 km (0.104 R)
• M3: 1,257,669 km (0.098 R)
• M4: 1,869,375 km (0.094 R)
• M5: 3,745,631 km (0.038 R)
• M6: 4,431,837 km (0.062 R)
• M7: 5,082,288 km (0.083 R)
• M8: 5,542,601 km (0.071 R)
• M9: 6,083,846 km (0.082 R)
• M10: 7,153,621 km (0.035 R)
• M11: 7,702,495 km (0.101 R)
• M12: 8,612,349 km (0.107 R)
• M13: 10,299,365 km (0.116 R)
• M14: 10,802,761 km (0.102 R)
• M15: 11,444,985 km (0.118 R)
• M16: 13,525,592 km (0.108 R)
• M17: 14,510,993 km (0.109 R)
• M18: 15,644,646 km (0.087 R)
• M19: 16,519,943 km (0.109 R)
• M20: 17,921,526 km (0.075 R)
• M21: 19,694,560 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 529.3

Radius: 7.7

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.59 AU - 11.93 AU

Year: 20681 Days

Day: 19.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 52.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 85,227,079 km

• M1: 108,309 km (0.046 R)
• M2: 439,967 km (0.11 R)
• M3: 775,067 km (0.098 R)
• M4: 1,468,154 km (0.088 R)
• M5: 4,101,674 km (0.104 R)
• M6: 5,118,641 km (0.106 R)
• M7: 6,856,519 km (0.108 R)
• M8: 7,172,620 km (0.116 R)
• M9: 8,381,969 km (0.086 R)
• M10: 14,517,277 km (0.112 R)
• M11: 15,039,373 km (0.065 R)
• M12: 17,171,292 km (0.1 R)
• M13: 19,586,700 km (0.113 R)
• M14: 28,638,867 km (0.109 R)
• M15: 33,931,939 km (0.047 R)
• M16: 44,504,918 km (0.119 R)
• M17: 52,945,678 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.9

Radius: 6

Gravity: 24.11 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 9.51 AU - 10.25 AU

Year: 21063 Days

Day: 21.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,227,079 km

• M1: 74,649 km (0.117 R)
• M2: 640,428 km (0.062 R)
• M3: 1,222,514 km (0.108 R)
• M4: 1,503,309 km (0.052 R)
• M5: 3,190,773 km (0.088 R)
• M6: 4,422,861 km (0.066 R)
• M7: 5,483,660 km (0.081 R)
• M8: 5,689,506 km (0.118 R)
• M9: 6,892,124 km (0.098 R)
• M10: 7,083,758 km (0.09 R)
• M11: 8,747,137 km (0.072 R)
• M12: 9,200,568 km (0.061 R)
• M13: 11,106,445 km (0.034 R)
• M14: 11,978,750 km (0.075 R)
• M15: 12,467,038 km (0.077 R)
• M16: 13,783,200 km (0.059 R)
• M17: 16,347,457 km (0.114 R)
• M18: 21,164,658 km (0.103 R)
• M19: 24,223,336 km (0.072 R)
• M20: 24,444,442 km (0.093 R)
• M21: 27,086,190 km (0.063 R)
• M22: 28,537,290 km (0.036 R)
• M23: 30,294,766 km (0.091 R)
• M24: 31,461,928 km (0.115 R)
• M25: 31,857,615 km (0.037 R)
• M26: 53,110,685 km (0.115 R)
• M27: 57,708,875 km (0.083 R)
• M28: 58,301,731 km (0.043 R)
• M29: 76,120,633 km (0.066 R)
• M30: 80,219,465 km (0.099 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 16,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit