🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.5

Radius: 12.2

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.06 AU - 1.1 AU

Year: 761 Days

Day: 12.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,687,078 km

• M1: 151,692 km (0.077 R)
• M2: 545,135 km (0.11 R)
• M3: 1,042,248 km (0.118 R)
• M4: 1,453,942 km (0.046 R)
• M5: 1,904,381 km (0.11 R)
• M6: 2,827,849 km (0.069 R)
• M7: 3,431,775 km (0.025 R)
• M8: 3,924,999 km (0.044 R)
• M9: 5,090,516 km (0.091 R)
• M10: 6,370,775 km (0.114 R)
• M11: 8,046,720 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.5

Radius: 8.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.61 AU - 1.87 AU

Year: 1557 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,687,078 km

• M1: 107,262 km (0.069 R)
• M2: 388,655 km (0.091 R)
• M3: 675,584 km (0.082 R)
• M4: 1,034,619 km (0.067 R)
• M5: 1,550,283 km (0.062 R)
• M6: 2,350,332 km (0.084 R)
• M7: 2,766,513 km (0.031 R)
• M8: 3,804,723 km (0.084 R)
• M9: 4,508,730 km (0.035 R)
• M10: 5,047,881 km (0.067 R)
• M11: 5,610,519 km (0.083 R)
• M12: 6,074,272 km (0.111 R)
• M13: 6,479,981 km (0.112 R)
• M14: 8,068,561 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.5

Radius: 10.2

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.1 AU - 2.18 AU

Year: 2123 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,687,078 km

• M1: 134,788 km (0.053 R)
• M2: 861,684 km (0.119 R)
• M3: 1,359,994 km (0.11 R)
• M4: 2,518,480 km (0.088 R)
• M5: 2,884,397 km (0.103 R)
• M6: 3,958,210 km (0.086 R)
• M7: 5,235,177 km (0.076 R)
• M8: 5,553,073 km (0.088 R)
• M9: 6,689,418 km (0.068 R)
• M10: 10,305,349 km (0.069 R)
• M11: 11,026,111 km (0.06 R)
• M12: 12,893,092 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.6

Radius: 10.1

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.88 AU - 2.88 AU

Year: 2490 Days

Day: 9.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,687,078 km

• M1: 125,812 km (0.101 R)
• M2: 518,057 km (0.085 R)
• M3: 1,639,742 km (0.12 R)
• M4: 1,988,754 km (0.086 R)
• M5: 2,308,894 km (0.105 R)
• M6: 3,348,449 km (0.099 R)
• M7: 3,842,571 km (0.08 R)
• M8: 4,977,420 km (0.108 R)
• M9: 6,065,894 km (0.079 R)
• M10: 6,559,268 km (0.04 R)
• M11: 7,249,064 km (0.043 R)
• M12: 8,108,953 km (0.069 R)
• M13: 9,995,232 km (0.053 R)
• M14: 10,647,329 km (0.071 R)
• M15: 11,212,360 km (0.089 R)
• M16: 11,717,852 km (0.096 R)
• M17: 12,238,751 km (0.11 R)
• M18: 13,894,201 km (0.08 R)
• M19: 14,523,260 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.1

Radius: 3.5

Gravity: 58.05 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.85 AU - 8.93 AU

Year: 15032 Days

Day: 22.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,687,078 km

• M1: 43,683 km (0.089 R)
• M2: 176,974 km (0.113 R)
• M3: 299,345 km (0.04 R)
• M4: 880,084 km (0.076 R)
• M5: 1,410,858 km (0.112 R)
• M6: 1,796,521 km (0.115 R)
• M7: 2,330,735 km (0.087 R)
• M8: 2,522,968 km (0.063 R)
• M9: 2,634,269 km (0.102 R)
• M10: 3,535,746 km (0.107 R)
• M11: 3,877,128 km (0.086 R)
• M12: 4,758,708 km (0.074 R)
• M13: 6,442,582 km (0.084 R)
• M14: 6,950,915 km (0.103 R)
• M15: 7,170,376 km (0.077 R)
• M16: 7,951,276 km (0.112 R)
• M17: 8,240,000 km (0.07 R)
• M18: 9,252,927 km (0.088 R)
• M19: 9,626,324 km (0.098 R)
• M20: 11,340,566 km (0.115 R)
• M21: 11,954,366 km (0.103 R)
• M22: 13,114,647 km (0.101 R)
• M23: 15,731,114 km (0.088 R)
• M24: 16,033,301 km (0.069 R)
• M25: 17,928,108 km (0.072 R)
• M26: 20,589,454 km (0.096 R)
• M27: 21,593,854 km (0.107 R)
• M28: 22,155,145 km (0.106 R)
• M29: 23,404,587 km (0.055 R)
• M30: 23,798,328 km (0.085 R)
• M31: 25,417,426 km (0.061 R)
• M32: 28,313,641 km (0.052 R)
• M33: 34,623,530 km (0.088 R)
• M34: 36,565,759 km (0.112 R)
• M35: 40,949,575 km (0.087 R)
• M36: 41,091,842 km (0.104 R)
• M37: 42,972,736 km (0.11 R)
• M38: 47,217,277 km (0.037 R)
• M39: 51,070,768 km (0.028 R)
• M40: 58,309,061 km (0.088 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 19,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit