🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.3

Radius: 11.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.81 AU - 0.95 AU

Year: 533 Days

Day: 14.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,155,087 km

• M1: 145,559 km (0.101 R)
• M2: 614,847 km (0.102 R)
• M3: 1,359,396 km (0.093 R)
• M4: 1,813,276 km (0.063 R)
• M5: 2,230,654 km (0.111 R)
• M6: 2,610,632 km (0.101 R)
• M7: 3,357,724 km (0.044 R)
• M8: 4,200,409 km (0.117 R)
• M9: 4,589,812 km (0.117 R)
• M10: 5,475,282 km (0.101 R)
• M11: 6,156,700 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.1

Radius: 8.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.85 AU - 1.07 AU

Year: 607 Days

Day: 10.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 92,155,087 km

• M1: 105,766 km (0.069 R)
• M2: 525,537 km (0.115 R)
• M3: 847,173 km (0.093 R)
• M4: 1,117,197 km (0.094 R)
• M5: 1,410,259 km (0.096 R)
• M6: 1,727,706 km (0.103 R)
• M7: 2,046,499 km (0.12 R)
• M8: 2,910,576 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.7

Radius: 11.5

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.31 AU - 1.55 AU

Year: 1104 Days

Day: 6.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,155,087 km

• M1: 143,016 km (0.062 R)
• M2: 736,022 km (0.112 R)
• M3: 1,113,906 km (0.102 R)
• M4: 1,607,130 km (0.097 R)
• M5: 2,019,422 km (0.101 R)
• M6: 2,519,527 km (0.105 R)
• M7: 3,671,581 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 13.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.45 AU - 2.17 AU

Year: 1572 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,155,087 km

• M1: 166,652 km (0.112 R)
• M2: 1,200,523 km (0.095 R)
• M3: 2,177,995 km (0.117 R)
• M4: 3,663,353 km (0.103 R)
• M5: 4,703,058 km (0.101 R)
• M6: 5,620,542 km (0.052 R)
• M7: 6,428,819 km (0.1 R)
• M8: 7,386,544 km (0.118 R)
• M9: 8,357,135 km (0.091 R)
• M10: 9,210,292 km (0.098 R)
• M11: 9,791,181 km (0.102 R)
• M12: 10,520,321 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.4

Radius: 13.6

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.47 AU - 4.11 AU

Year: 3853 Days

Day: 13.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 92,155,087 km

• M1: 169,794 km (0.056 R)
• M2: 690,095 km (0.112 R)
• M3: 1,268,141 km (0.079 R)
• M4: 1,805,945 km (0.059 R)
• M5: 3,260,186 km (0.094 R)
• M6: 3,782,283 km (0.064 R)
• M7: 6,989,362 km (0.084 R)
• M8: 7,518,789 km (0.048 R)
• M9: 8,146,502 km (0.103 R)
• M10: 10,033,828 km (0.109 R)
• M11: 10,494,889 km (0.077 R)
• M12: 11,917,266 km (0.046 R)
• M13: 13,115,245 km (0.1 R)
• M14: 13,717,975 km (0.099 R)
• M15: 14,286,746 km (0.04 R)
• M16: 15,416,360 km (0.101 R)
• M17: 16,259,194 km (0.114 R)
• M18: 16,779,346 km (0.036 R)
• M19: 17,550,373 km (0.12 R)
• M20: 19,291,543 km (0.098 R)
• M21: 21,350,459 km (0.117 R)
• M22: 22,326,884 km (0.101 R)
• M23: 22,970,155 km (0.047 R)
• M24: 25,901,525 km (0.044 R)
• M25: 26,931,805 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.8

Radius: 11.7

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.26 AU - 3.6 AU

Year: 4102 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 92,155,087 km

• M1: 146,606 km (0.048 R)
• M2: 549,922 km (0.099 R)
• M3: 942,616 km (0.114 R)
• M4: 1,595,910 km (0.085 R)
• M5: 2,000,273 km (0.096 R)
• M6: 2,721,784 km (0.07 R)
• M7: 3,108,345 km (0.118 R)
• M8: 4,361,376 km (0.117 R)
• M9: 5,601,991 km (0.056 R)
• M10: 6,941,640 km (0.088 R)
• M11: 11,105,099 km (0.104 R)
• M12: 14,125,031 km (0.073 R)
• M13: 15,823,565 km (0.103 R)
• M14: 19,132,371 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.9

Radius: 14.8

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.63 AU - 4.37 AU

Year: 4228 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 53.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 92,155,087 km

• M1: 184,005 km (0.103 R)
• M2: 806,482 km (0.037 R)
• M3: 1,613,413 km (0.082 R)
• M4: 2,673,763 km (0.095 R)
• M5: 3,235,802 km (0.106 R)
• M6: 3,785,275 km (0.072 R)
• M7: 4,257,855 km (0.076 R)
• M8: 5,008,088 km (0.103 R)
• M9: 7,133,126 km (0.078 R)
• M10: 7,769,814 km (0.111 R)
• M11: 9,257,715 km (0.084 R)
• M12: 11,462,937 km (0.1 R)
• M13: 12,543,482 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.9

Radius: 7.8

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 10.73 AU - 11.53 AU

Year: 23975 Days

Day: 17.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 59.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 92,155,087 km

• M1: 96,939 km (0.099 R)
• M2: 453,282 km (0.115 R)
• M3: 925,412 km (0.097 R)
• M4: 1,188,106 km (0.102 R)
• M5: 1,733,690 km (0.065 R)
• M6: 2,533,141 km (0.082 R)
• M7: 2,974,305 km (0.064 R)
• M8: 5,770,588 km (0.096 R)
• M9: 6,212,500 km (0.082 R)
• M10: 6,535,033 km (0.092 R)
• M11: 7,570,550 km (0.117 R)
• M12: 7,832,496 km (0.118 R)
• M13: 8,598,138 km (0.085 R)
• M14: 10,277,823 km (0.093 R)
• M15: 10,729,758 km (0.118 R)
• M16: 12,598,235 km (0.06 R)
• M17: 16,966,643 km (0.072 R)
• M18: 18,907,824 km (0.069 R)
• M19: 22,036,963 km (0.047 R)
• M20: 24,229,470 km (0.105 R)
• M21: 28,158,209 km (0.053 R)
• M22: 28,788,315 km (0.089 R)
• M23: 29,946,203 km (0.067 R)
• M24: 31,672,861 km (0.099 R)
• M25: 32,906,595 km (0.074 R)
• M26: 34,314,460 km (0.083 R)
• M27: 36,949,328 km (0.115 R)
• M28: 40,508,261 km (0.118 R)
• M29: 40,828,101 km (0.069 R)
• M30: 41,797,944 km (0.029 R)
• M31: 51,977,182 km (0.076 R)
• M32: 55,837,854 km (0.108 R)
• M33: 58,447,140 km (0.079 R)
• M34: 67,880,632 km (0.118 R)
• M35: 70,388,192 km (0.062 R)
• M36: 75,345,267 km (0.055 R)
• M37: 77,785,657 km (0.026 R)
• M38: 87,272,855 km (0.06 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: 205 - 20,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit