🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.9

Radius: 8.8

Gravity: 11.13 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.29 AU - 1.55 AU

Year: 1148 Days

Day: 10.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,187,021 km

• M1: 117,434 km (0.093 R)
• M2: 401,820 km (0.111 R)
• M3: 1,052,421 km (0.109 R)
• M4: 1,697,188 km (0.096 R)
• M5: 2,484,821 km (0.114 R)
• M6: 3,269,611 km (0.069 R)
• M7: 4,705,751 km (0.055 R)
• M8: 5,968,207 km (0.049 R)
• M9: 7,365,152 km (0.11 R)
• M10: 8,002,738 km (0.116 R)
• M11: 8,306,871 km (0.113 R)
• M12: 10,559,216 km (0.085 R)
• M13: 11,163,292 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.3

Radius: 13

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.33 AU - 2.09 AU

Year: 1517 Days

Day: 6.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,187,021 km

• M1: 161,865 km (0.106 R)
• M2: 756,367 km (0.08 R)
• M3: 1,174,194 km (0.083 R)
• M4: 1,658,891 km (0.118 R)
• M5: 2,113,818 km (0.099 R)
• M6: 2,712,509 km (0.102 R)
• M7: 3,664,849 km (0.1 R)
• M8: 4,754,220 km (0.116 R)
• M9: 5,374,752 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 8.1

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.18 AU - 2.6 AU

Year: 2506 Days

Day: 12.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,187,021 km

• M1: 101,128 km (0.098 R)
• M2: 380,128 km (0.086 R)
• M3: 885,619 km (0.12 R)
• M4: 1,565,691 km (0.063 R)
• M5: 2,050,538 km (0.095 R)
• M6: 2,805,708 km (0.094 R)
• M7: 3,319,128 km (0.104 R)
• M8: 4,996,718 km (0.118 R)
• M9: 5,724,961 km (0.096 R)
• M10: 6,156,102 km (0.049 R)
• M11: 8,996,068 km (0.106 R)
• M12: 9,728,798 km (0.066 R)
• M13: 10,500,873 km (0.075 R)
• M14: 14,000,865 km (0.058 R)
• M15: 16,170,632 km (0.058 R)
• M16: 17,530,178 km (0.066 R)
• M17: 18,905,581 km (0.045 R)
• M18: 19,379,656 km (0.111 R)
• M19: 19,861,660 km (0.098 R)
• M20: 20,413,377 km (0.044 R)
• M21: 20,849,455 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.8

Radius: 10.5

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.02 AU - 3 AU

Year: 2697 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,187,021 km

• M1: 132,095 km (0.092 R)
• M2: 889,359 km (0.08 R)
• M3: 2,008,501 km (0.09 R)
• M4: 3,280,233 km (0.026 R)
• M5: 3,820,281 km (0.08 R)
• M6: 4,386,658 km (0.051 R)
• M7: 7,927,790 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 10

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.73 AU - 2.75 AU

Year: 3076 Days

Day: 8.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,187,021 km

• M1: 124,316 km (0.068 R)
• M2: 527,781 km (0.11 R)
• M3: 894,446 km (0.1 R)
• M4: 1,208,601 km (0.09 R)
• M5: 1,538,913 km (0.09 R)
• M6: 2,737,940 km (0.062 R)
• M7: 3,385,998 km (0.065 R)
• M8: 5,514,776 km (0.115 R)
• M9: 6,494,941 km (0.078 R)
• M10: 7,324,761 km (0.068 R)
• M11: 7,977,306 km (0.084 R)
• M12: 8,539,495 km (0.09 R)
• M13: 9,329,970 km (0.049 R)
• M14: 11,363,604 km (0.11 R)
• M15: 12,075,690 km (0.101 R)
• M16: 13,199,319 km (0.112 R)
• M17: 14,075,514 km (0.047 R)
• M18: 16,435,570 km (0.072 R)
• M19: 16,886,757 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.1

Radius: 4.1

Gravity: 21.66 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.04 AU - 6.58 AU

Year: 9499 Days

Day: 21.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,187,021 km

• M1: 58,343 km (0.106 R)
• M2: 378,483 km (0.102 R)
• M3: 568,921 km (0.07 R)
• M4: 1,145,770 km (0.037 R)
• M5: 2,106,936 km (0.114 R)
• M6: 2,290,643 km (0.098 R)
• M7: 3,374,928 km (0.061 R)
• M8: 4,015,955 km (0.052 R)
• M9: 4,905,015 km (0.078 R)
• M10: 7,590,596 km (0.109 R)
• M11: 8,225,190 km (0.052 R)
• M12: 8,389,299 km (0.082 R)
• M13: 9,375,149 km (0.067 R)
• M14: 13,631,807 km (0.106 R)
• M15: 14,094,064 km (0.05 R)
• M16: 14,329,082 km (0.094 R)
• M17: 14,507,104 km (0.108 R)
• M18: 16,957,068 km (0.111 R)
• M19: 18,106,279 km (0.066 R)
• M20: 19,306,503 km (0.11 R)
• M21: 19,596,423 km (0.089 R)
• M22: 20,036,690 km (0.115 R)
• M23: 20,558,637 km (0.084 R)
• M24: 28,378,716 km (0.063 R)
• M25: 30,091,312 km (0.069 R)
• M26: 31,972,356 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 231.3

Radius: 6.3

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.68 AU - 9.6 AU

Year: 15752 Days

Day: 24.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,187,021 km

• M1: 80,633 km (0.04 R)
• M2: 296,054 km (0.093 R)
• M3: 514,317 km (0.088 R)
• M4: 808,876 km (0.088 R)
• M5: 1,189,901 km (0.118 R)
• M6: 1,804,749 km (0.114 R)
• M7: 2,182,932 km (0.088 R)
• M8: 2,754,097 km (0.097 R)
• M9: 3,232,960 km (0.107 R)
• M10: 3,444,341 km (0.115 R)
• M11: 3,765,827 km (0.1 R)
• M12: 4,355,542 km (0.093 R)
• M13: 4,821,689 km (0.106 R)
• M14: 5,320,598 km (0.109 R)
• M15: 5,616,054 km (0.101 R)
• M16: 6,275,780 km (0.112 R)
• M17: 7,102,757 km (0.074 R)
• M18: 7,380,411 km (0.055 R)
• M19: 11,038,378 km (0.103 R)
• M20: 11,792,800 km (0.093 R)
• M21: 13,165,211 km (0.097 R)
• M22: 13,951,348 km (0.1 R)
• M23: 14,577,116 km (0.105 R)
• M24: 15,091,134 km (0.047 R)
• M25: 18,805,649 km (0.112 R)
• M26: 20,432,227 km (0.119 R)
• M27: 23,609,686 km (0.083 R)
• M28: 25,684,907 km (0.043 R)
• M29: 26,814,371 km (0.067 R)
• M30: 31,239,775 km (0.116 R)
• M31: 36,361,857 km (0.068 R)
• M32: 40,488,514 km (0.089 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 15,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit