🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.5

Radius: 11.2

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.68 AU - 0.82 AU

Year: 448 Days

Day: 11.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,117,759 km

• M1: 139,276 km (0.035 R)
• M2: 598,840 km (0.11 R)
• M3: 1,044,642 km (0.072 R)
• M4: 1,464,862 km (0.105 R)
• M5: 2,023,461 km (0.052 R)
• M6: 2,617,664 km (0.088 R)
• M7: 3,137,067 km (0.061 R)
• M8: 3,724,538 km (0.065 R)
• M9: 5,055,510 km (0.115 R)
• M10: 5,551,727 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.1

Radius: 10.6

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.78 AU - 0.88 AU

Year: 522 Days

Day: 6.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,117,759 km

• M1: 131,945 km (0.092 R)
• M2: 552,615 km (0.074 R)
• M3: 1,225,506 km (0.11 R)
• M4: 1,600,996 km (0.073 R)
• M5: 1,961,826 km (0.098 R)
• M6: 2,571,438 km (0.073 R)
• M7: 3,220,842 km (0.113 R)
• M8: 3,856,035 km (0.074 R)
• M9: 4,239,155 km (0.067 R)
• M10: 5,578,205 km (0.096 R)
• M11: 6,051,832 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.4

Radius: 10

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.2 AU - 1.54 AU

Year: 1107 Days

Day: 12.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,117,759 km

• M1: 124,316 km (0.119 R)
• M2: 549,473 km (0.059 R)
• M3: 1,409,810 km (0.113 R)
• M4: 2,177,547 km (0.107 R)
• M5: 3,229,968 km (0.116 R)
• M6: 4,420,168 km (0.071 R)
• M7: 5,738,126 km (0.105 R)
• M8: 6,812,238 km (0.111 R)
• M9: 7,325,359 km (0.112 R)
• M10: 9,610,766 km (0.047 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.4

Radius: 7.6

Gravity: 15 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.97 AU - 9.79 AU

Year: 18265 Days

Day: 16.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 78,117,759 km

• M1: 302,337 km (0.106 R)
• M2: 1,073,066 km (0.099 R)
• M3: 1,501,813 km (0.113 R)
• M4: 1,829,432 km (0.084 R)
• M5: 2,582,358 km (0.11 R)
• M6: 2,824,408 km (0.11 R)
• M7: 3,440,003 km (0.115 R)
• M8: 4,077,140 km (0.111 R)
• M9: 4,826,327 km (0.076 R)
• M10: 6,684,631 km (0.089 R)
• M11: 6,957,947 km (0.096 R)
• M12: 7,429,928 km (0.048 R)
• M13: 12,412,285 km (0.059 R)
• M14: 15,902,553 km (0.079 R)
• M15: 17,914,794 km (0.118 R)
• M16: 18,443,173 km (0.096 R)
• M17: 19,716,551 km (0.117 R)
• M18: 21,242,449 km (0.087 R)
• M19: 22,134,501 km (0.084 R)
• M20: 25,069,462 km (0.077 R)
• M21: 26,177,683 km (0.091 R)
• M22: 30,438,080 km (0.112 R)
• M23: 31,955,003 km (0.112 R)
• M24: 41,208,379 km (0.072 R)
• M25: 42,594,104 km (0.026 R)
• M26: 43,851,773 km (0.105 R)
• M27: 45,295,842 km (0.067 R)
• M28: 46,606,020 km (0.087 R)
• M29: 49,473,512 km (0.104 R)
• M30: 49,818,485 km (0.088 R)
• M31: 62,522,934 km (0.105 R)
• M32: 66,423,549 km (0.065 R)
• M33: 72,020,005 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.8

Radius: 6.4

Gravity: 21.48 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.83 AU - 10.99 AU

Year: 18358 Days

Day: 19.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,117,759 km

• M1: 79,586 km (0.075 R)
• M2: 606,470 km (0.085 R)
• M3: 855,101 km (0.064 R)
• M4: 1,118,394 km (0.12 R)
• M5: 1,667,418 km (0.034 R)
• M6: 2,042,609 km (0.084 R)
• M7: 2,542,117 km (0.064 R)
• M8: 3,201,245 km (0.058 R)
• M9: 4,129,350 km (0.105 R)
• M10: 4,637,833 km (0.072 R)
• M11: 5,074,061 km (0.034 R)
• M12: 8,656,182 km (0.099 R)
• M13: 9,659,834 km (0.067 R)
• M14: 12,231,720 km (0.119 R)
• M15: 14,607,933 km (0.088 R)
• M16: 16,188,584 km (0.106 R)
• M17: 17,189,992 km (0.112 R)
• M18: 18,231,941 km (0.071 R)
• M19: 20,729,179 km (0.094 R)
• M20: 21,908,907 km (0.101 R)
• M21: 22,719,877 km (0.116 R)
• M22: 23,132,768 km (0.096 R)
• M23: 25,272,615 km (0.072 R)
• M24: 27,540,968 km (0.068 R)
• M25: 27,892,523 km (0.114 R)
• M26: 29,450,585 km (0.117 R)
• M27: 33,266,079 km (0.086 R)
• M28: 34,743,806 km (0.087 R)
• M29: 35,984,870 km (0.102 R)
• M30: 41,398,817 km (0.075 R)
• M31: 42,169,695 km (0.091 R)
• M32: 43,264,901 km (0.09 R)
• M33: 53,441,895 km (0.097 R)
• M34: 55,652,353 km (0.033 R)
• M35: 59,080,986 km (0.057 R)
• M36: 60,057,860 km (0.101 R)
• M37: 62,244,682 km (0.086 R)
• M38: 62,647,848 km (0.095 R)
• M39: 66,355,632 km (0.078 R)
• M40: 69,771,998 km (0.071 R)
• M41: 78,117,764 km (0.092 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: 413 - 18,464 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit