🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.3

Radius: 8.8

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.89 AU - 1.19 AU

Year: 674 Days

Day: 9.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,982,472 km

• M1: 109,506 km (0.093 R)
• M2: 387,907 km (0.054 R)
• M3: 669,301 km (0.086 R)
• M4: 1,057,358 km (0.073 R)
• M5: 1,607,429 km (0.051 R)
• M6: 2,225,119 km (0.117 R)
• M7: 2,645,788 km (0.114 R)
• M8: 3,026,814 km (0.094 R)
• M9: 3,357,575 km (0.047 R)
• M10: 4,163,010 km (0.08 R)
• M11: 4,804,336 km (0.103 R)
• M12: 5,613,660 km (0.093 R)
• M13: 6,005,457 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.3

Radius: 10.9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.33 AU - 1.41 AU

Year: 1020 Days

Day: 9.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,982,472 km

• M1: 135,536 km (0.089 R)
• M2: 1,185,414 km (0.099 R)
• M3: 1,668,465 km (0.052 R)
• M4: 3,142,752 km (0.12 R)
• M5: 3,673,077 km (0.077 R)
• M6: 4,586,820 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172

Radius: 14

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.64 AU - 2.3 AU

Year: 1758 Days

Day: 10.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,982,472 km

• M1: 174,132 km (0.104 R)
• M2: 816,206 km (0.116 R)
• M3: 1,359,695 km (0.111 R)
• M4: 2,756,191 km (0.107 R)
• M5: 3,288,012 km (0.061 R)
• M6: 4,527,280 km (0.114 R)
• M7: 7,764,578 km (0.066 R)
• M8: 8,968,991 km (0.108 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956

Radius: 4.2

Gravity: 54.2 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 7.41 AU - 8.37 AU

Year: 14091 Days

Day: 24.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,982,472 km

• M1: 56,847 km (0.111 R)
• M2: 274,811 km (0.1 R)
• M3: 528,380 km (0.119 R)
• M4: 1,290,132 km (0.095 R)
• M5: 1,779,317 km (0.087 R)
• M6: 2,719,839 km (0.112 R)
• M7: 3,061,969 km (0.108 R)
• M8: 4,198,315 km (0.079 R)
• M9: 6,141,890 km (0.07 R)
• M10: 7,445,935 km (0.072 R)
• M11: 12,057,588 km (0.113 R)
• M12: 14,223,317 km (0.041 R)
• M13: 18,188,558 km (0.047 R)
• M14: 18,957,192 km (0.105 R)
• M15: 25,689,096 km (0.116 R)
• M16: 29,584,176 km (0.072 R)
• M17: 32,471,265 km (0.112 R)
• M18: 32,844,811 km (0.091 R)
• M19: 36,203,433 km (0.072 R)
• M20: 38,241,554 km (0.073 R)
• M21: 38,519,058 km (0.11 R)
• M22: 39,500,420 km (0.09 R)
• M23: 40,068,742 km (0.076 R)
• M24: 41,806,322 km (0.096 R)
• M25: 42,544,886 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.6

Radius: 6.8

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.82 AU - 9.72 AU

Year: 15121 Days

Day: 17.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,982,472 km

• M1: 87,216 km (0.108 R)
• M2: 488,587 km (0.106 R)
• M3: 731,234 km (0.06 R)
• M4: 1,594,564 km (0.067 R)
• M5: 3,671,880 km (0.079 R)
• M6: 4,184,851 km (0.117 R)
• M7: 5,196,132 km (0.112 R)
• M8: 6,012,039 km (0.067 R)
• M9: 9,015,964 km (0.084 R)
• M10: 11,044,063 km (0.104 R)
• M11: 11,356,573 km (0.057 R)
• M12: 12,723,149 km (0.119 R)
• M13: 15,518,086 km (0.1 R)
• M14: 32,247,467 km (0.116 R)
• M15: 32,565,960 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.9

Radius: 5.2

Gravity: 14.83 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.74 AU - 10.9 AU

Year: 18091 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,982,472 km

• M1: 64,626 km (0.088 R)
• M2: 261,347 km (0.108 R)
• M3: 453,581 km (0.067 R)
• M4: 706,551 km (0.032 R)
• M5: 1,455,737 km (0.119 R)
• M6: 2,320,263 km (0.111 R)
• M7: 2,747,514 km (0.041 R)
• M8: 3,327,505 km (0.083 R)
• M9: 3,564,917 km (0.108 R)
• M10: 3,985,586 km (0.114 R)
• M11: 4,726,694 km (0.04 R)
• M12: 5,340,046 km (0.08 R)
• M13: 5,740,070 km (0.104 R)
• M14: 6,159,842 km (0.116 R)
• M15: 6,681,938 km (0.11 R)
• M16: 9,957,833 km (0.045 R)
• M17: 13,297,904 km (0.069 R)
• M18: 22,818,612 km (0.066 R)
• M19: 23,965,728 km (0.081 R)
• M20: 25,150,693 km (0.042 R)
• M21: 26,895,453 km (0.09 R)
• M22: 32,492,209 km (0.071 R)
• M23: 36,197,150 km (0.111 R)
• M24: 37,886,558 km (0.11 R)
• M25: 40,037,028 km (0.032 R)
• M26: 41,702,351 km (0.097 R)
• M27: 43,268,940 km (0.061 R)
• M28: 49,611,591 km (0.107 R)
• M29: 53,833,093 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382

Radius: 5.1

Gravity: 14.69 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 10.11 AU - 10.25 AU

Year: 20652 Days

Day: 22.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,982,472 km

• M1: 63,429 km (0.108 R)
• M2: 227,838 km (0.09 R)
• M3: 552,166 km (0.075 R)
• M4: 1,173,894 km (0.096 R)
• M5: 1,496,876 km (0.105 R)
• M6: 2,042,310 km (0.03 R)
• M7: 2,402,542 km (0.05 R)
• M8: 2,757,238 km (0.049 R)
• M9: 3,598,577 km (0.053 R)
• M10: 3,796,944 km (0.103 R)
• M11: 5,039,803 km (0.063 R)
• M12: 5,620,392 km (0.094 R)
• M13: 6,699,741 km (0.116 R)
• M14: 6,870,581 km (0.108 R)
• M15: 7,221,089 km (0.114 R)
• M16: 9,633,504 km (0.077 R)
• M17: 10,016,924 km (0.108 R)
• M18: 10,582,404 km (0.116 R)
• M19: 13,663,821 km (0.081 R)
• M20: 14,008,494 km (0.043 R)
• M21: 15,370,882 km (0.071 R)
• M22: 15,743,680 km (0.06 R)
• M23: 17,861,387 km (0.116 R)
• M24: 18,945,673 km (0.062 R)
• M25: 21,244,543 km (0.052 R)
• M26: 23,427,475 km (0.077 R)
• M27: 24,725,237 km (0.105 R)
• M28: 32,180,148 km (0.052 R)
• M29: 32,667,388 km (0.108 R)
• M30: 34,032,618 km (0.118 R)
• M31: 43,178,433 km (0.053 R)
• M32: 62,084,014 km (0.09 R)
• M33: 63,218,564 km (0.059 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 404 - 15,521 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit