🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.6

Radius: 10.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 8.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,533,208 km

• M1: 133,292 km (0.105 R)
• M2: 484,996 km (0.107 R)
• M3: 974,780 km (0.062 R)
• M4: 1,329,775 km (0.082 R)
• M5: 2,041,861 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.1

Radius: 8.9

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.72 AU - 1.02 AU

Year: 550 Days

Day: 14 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,533,208 km

• M1: 110,702 km (0.079 R)
• M2: 398,678 km (0.064 R)
• M3: 715,676 km (0.117 R)
• M4: 1,117,197 km (0.084 R)
• M5: 1,472,193 km (0.111 R)
• M6: 1,826,590 km (0.065 R)
• M7: 2,384,440 km (0.068 R)
• M8: 2,899,955 km (0.085 R)
• M9: 3,741,742 km (0.042 R)
• M10: 4,051,260 km (0.104 R)
• M11: 4,867,915 km (0.109 R)
• M12: 5,237,571 km (0.04 R)
• M13: 5,536,019 km (0.118 R)
• M14: 6,033,432 km (0.066 R)
• M15: 6,520,223 km (0.09 R)
• M16: 6,866,093 km (0.074 R)
• M17: 7,267,016 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.3

Radius: 14.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.84 AU - 1.36 AU

Year: 782 Days

Day: 11.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 51,533,208 km

• M1: 179,069 km (0.115 R)
• M2: 800,648 km (0.104 R)
• M3: 2,392,818 km (0.114 R)
• M4: 2,889,034 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 11.3

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.48 AU - 1.66 AU

Year: 1334 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,533,208 km

• M1: 140,622 km (0.097 R)
• M2: 517,010 km (0.075 R)
• M3: 909,256 km (0.103 R)
• M4: 1,399,039 km (0.102 R)
• M5: 2,298,721 km (0.086 R)
• M6: 2,801,669 km (0.061 R)
• M7: 3,549,060 km (0.106 R)
• M8: 3,927,393 km (0.116 R)
• M9: 4,332,803 km (0.113 R)
• M10: 4,766,188 km (0.112 R)
• M11: 5,125,373 km (0.065 R)
• M12: 5,698,482 km (0.108 R)
• M13: 7,437,408 km (0.108 R)
• M14: 8,172,980 km (0.117 R)
• M15: 8,689,841 km (0.091 R)
• M16: 9,106,770 km (0.033 R)
• M17: 12,262,238 km (0.119 R)
• M18: 12,825,773 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.1

Radius: 10.4

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.69 AU - 2.59 AU

Year: 2123 Days

Day: 12.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,533,208 km

• M1: 129,402 km (0.084 R)
• M2: 504,594 km (0.081 R)
• M3: 970,591 km (0.093 R)
• M4: 1,349,672 km (0.064 R)
• M5: 2,178,594 km (0.082 R)
• M6: 3,016,791 km (0.105 R)
• M7: 3,386,297 km (0.035 R)
• M8: 3,920,063 km (0.12 R)
• M9: 4,509,029 km (0.113 R)
• M10: 5,226,351 km (0.102 R)
• M11: 5,712,245 km (0.074 R)
• M12: 7,002,228 km (0.044 R)
• M13: 8,346,813 km (0.099 R)
• M14: 9,080,292 km (0.073 R)
• M15: 9,533,573 km (0.053 R)
• M16: 10,112,068 km (0.025 R)
• M17: 11,661,304 km (0.044 R)
• M18: 12,072,099 km (0.097 R)
• M19: 12,922,713 km (0.11 R)
• M20: 15,127,187 km (0.11 R)
• M21: 16,781,141 km (0.071 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.4

Radius: 5.2

Gravity: 29.56 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.48 AU - 6.8 AU

Year: 10319 Days

Day: 23.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,533,208 km

• M1: 65,973 km (0.114 R)
• M2: 231,578 km (0.073 R)
• M3: 476,469 km (0.062 R)
• M4: 767,287 km (0.092 R)
• M5: 1,123,480 km (0.101 R)
• M6: 1,799,064 km (0.064 R)
• M7: 2,888,884 km (0.082 R)
• M8: 3,188,679 km (0.077 R)
• M9: 3,877,876 km (0.106 R)
• M10: 4,185,449 km (0.04 R)
• M11: 4,539,248 km (0.087 R)
• M12: 4,786,085 km (0.044 R)
• M13: 5,273,026 km (0.117 R)
• M14: 7,946,041 km (0.098 R)
• M15: 9,151,949 km (0.084 R)
• M16: 9,951,849 km (0.036 R)
• M17: 10,421,736 km (0.065 R)
• M18: 10,906,283 km (0.09 R)
• M19: 11,862,363 km (0.12 R)
• M20: 13,683,717 km (0.119 R)
• M21: 14,594,319 km (0.105 R)
• M22: 16,972,477 km (0.088 R)
• M23: 19,036,030 km (0.088 R)
• M24: 23,107,037 km (0.045 R)
• M25: 23,837,523 km (0.051 R)
• M26: 27,824,456 km (0.111 R)
• M27: 31,118,302 km (0.1 R)
• M28: 31,896,360 km (0.087 R)
• M29: 34,781,505 km (0.114 R)
• M30: 48,654,912 km (0.112 R)
• M31: 50,918,029 km (0.084 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 14,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit