🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.6

Radius: 9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.55 AU - 0.57 AU

Year: 279 Days

Day: 13.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,453,226 km

• M1: 111,899 km (0.117 R)
• M2: 431,141 km (0.091 R)
• M3: 763,248 km (0.086 R)
• M4: 1,129,913 km (0.116 R)
• M5: 1,680,433 km (0.081 R)
• M6: 1,989,801 km (0.114 R)
• M7: 2,690,817 km (0.063 R)
• M8: 3,108,345 km (0.102 R)
• M9: 3,631,788 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.8

Radius: 11.6

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.52 AU - 0.68 AU

Year: 310 Days

Day: 6.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,453,226 km

• M1: 144,212 km (0.105 R)
• M2: 539,450 km (0.109 R)
• M3: 992,582 km (0.097 R)
• M4: 1,533,827 km (0.118 R)
• M5: 2,498,733 km (0.109 R)
• M6: 3,002,429 km (0.113 R)
• M7: 3,415,619 km (0.064 R)
• M8: 3,976,760 km (0.09 R)
• M9: 4,410,594 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.7

Radius: 8.1

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.62 AU - 0.62 AU

Year: 326 Days

Day: 7.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 137.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,453,226 km

• M1: 100,679 km (0.114 R)
• M2: 447,746 km (0.099 R)
• M3: 736,022 km (0.062 R)
• M4: 1,282,652 km (0.102 R)
• M5: 1,583,942 km (0.08 R)
• M6: 2,348,088 km (0.079 R)
• M7: 2,749,310 km (0.117 R)
• M8: 3,077,228 km (0.089 R)
• M9: 3,358,323 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262

Radius: 14

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.01 AU - 1.09 AU

Year: 717 Days

Day: 9.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,453,226 km

• M1: 174,132 km (0.035 R)
• M2: 691,591 km (0.077 R)
• M3: 1,312,273 km (0.074 R)
• M4: 1,828,535 km (0.115 R)
• M5: 2,963,833 km (0.03 R)
• M6: 3,681,304 km (0.099 R)
• M7: 4,836,200 km (0.044 R)
• M8: 5,514,776 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711

Radius: 13.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.3 AU - 3.34 AU

Year: 3158 Days

Day: 11.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,453,226 km

• M1: 164,558 km (0.098 R)
• M2: 686,804 km (0.119 R)
• M3: 1,855,163 km (0.065 R)
• M4: 2,353,025 km (0.057 R)
• M5: 2,873,925 km (0.069 R)
• M6: 3,305,515 km (0.11 R)
• M7: 4,345,369 km (0.105 R)
• M8: 5,437,434 km (0.082 R)
• M9: 6,299,716 km (0.076 R)
• M10: 7,313,840 km (0.115 R)
• M11: 7,794,498 km (0.061 R)
• M12: 9,107,818 km (0.106 R)
• M13: 10,685,178 km (0.051 R)
• M14: 12,258,648 km (0.089 R)
• M15: 12,985,095 km (0.071 R)
• M16: 14,226,458 km (0.098 R)
• M17: 16,127,698 km (0.106 R)
• M18: 19,501,429 km (0.061 R)
• M19: 20,554,747 km (0.032 R)
• M20: 21,385,614 km (0.114 R)
• M21: 22,238,771 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.2

Radius: 4.8

Gravity: 30 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.28 AU - 8.76 AU

Year: 13752 Days

Day: 19.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,453,226 km

• M1: 66,272 km (0.085 R)
• M2: 513,719 km (0.118 R)
• M3: 943,813 km (0.076 R)
• M4: 1,140,085 km (0.097 R)
• M5: 1,508,246 km (0.115 R)
• M6: 1,663,379 km (0.112 R)
• M7: 1,951,654 km (0.047 R)
• M8: 2,519,827 km (0.034 R)
• M9: 3,043,868 km (0.071 R)
• M10: 3,946,990 km (0.104 R)
• M11: 4,243,643 km (0.112 R)
• M12: 4,428,695 km (0.078 R)
• M13: 4,814,957 km (0.094 R)
• M14: 5,016,316 km (0.119 R)
• M15: 5,508,044 km (0.051 R)
• M16: 6,835,576 km (0.072 R)
• M17: 7,090,191 km (0.094 R)
• M18: 8,125,109 km (0.117 R)
• M19: 9,887,522 km (0.117 R)
• M20: 10,490,102 km (0.082 R)
• M21: 15,411,423 km (0.087 R)
• M22: 16,446,042 km (0.047 R)
• M23: 24,618,574 km (0.092 R)
• M24: 29,454,325 km (0.046 R)
• M25: 30,583,340 km (0.104 R)
• M26: 31,042,905 km (0.092 R)
• M27: 31,390,570 km (0.057 R)
• M28: 38,101,530 km (0.117 R)
• M29: 43,357,652 km (0.034 R)
• M30: 53,598,673 km (0.103 R)
• M31: 58,743,344 km (0.117 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 12,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit