🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.5

Radius: 13.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.41 AU - 0.65 AU

Year: 262 Days

Day: 7.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,521,267 km

• M1: 165,455 km (0.064 R)
• M2: 687,552 km (0.062 R)
• M3: 1,112,559 km (0.072 R)
• M4: 1,603,988 km (0.059 R)
• M5: 2,383,543 km (0.1 R)
• M6: 3,092,338 km (0.08 R)
• M7: 3,636,724 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.4

Radius: 14.3

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.7 AU - 1.14 AU

Year: 599 Days

Day: 8.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,521,267 km

• M1: 177,872 km (0.11 R)
• M2: 862,133 km (0.064 R)
• M3: 1,764,208 km (0.032 R)
• M4: 2,247,259 km (0.074 R)
• M5: 2,994,201 km (0.097 R)
• M6: 3,476,505 km (0.098 R)
• M7: 4,986,995 km (0.117 R)
• M8: 6,116,459 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 13.4

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.61 AU - 1.95 AU

Year: 1611 Days

Day: 12.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,521,267 km

• M1: 166,802 km (0.073 R)
• M2: 604,375 km (0.055 R)
• M3: 1,050,177 km (0.074 R)
• M4: 1,607,878 km (0.093 R)
• M5: 2,338,065 km (0.08 R)
• M6: 2,761,277 km (0.053 R)
• M7: 3,733,065 km (0.094 R)
• M8: 4,555,854 km (0.038 R)
• M9: 5,475,132 km (0.094 R)
• M10: 6,395,459 km (0.107 R)
• M11: 7,106,946 km (0.103 R)
• M12: 7,980,149 km (0.117 R)
• M13: 9,163,318 km (0.076 R)
• M14: 9,718,326 km (0.111 R)
• M15: 10,165,475 km (0.115 R)
• M16: 10,626,386 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.4

Radius: 10.6

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.65 AU - 4.69 AU

Year: 6845 Days

Day: 11.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,521,267 km

• M1: 131,796 km (0.074 R)
• M2: 486,193 km (0.09 R)
• M3: 1,225,805 km (0.093 R)
• M4: 1,891,515 km (0.059 R)
• M5: 2,362,599 km (0.093 R)
• M6: 2,713,257 km (0.108 R)
• M7: 3,255,399 km (0.082 R)
• M8: 4,359,581 km (0.102 R)
• M9: 4,971,137 km (0.117 R)
• M10: 7,119,662 km (0.054 R)
• M11: 7,786,270 km (0.109 R)
• M12: 8,341,727 km (0.05 R)
• M13: 8,923,214 km (0.116 R)
• M14: 9,490,339 km (0.084 R)
• M15: 12,147,945 km (0.104 R)
• M16: 12,493,217 km (0.11 R)
• M17: 12,895,636 km (0.083 R)
• M18: 14,983,424 km (0.082 R)
• M19: 16,796,400 km (0.114 R)
• M20: 18,232,988 km (0.091 R)
• M21: 20,783,333 km (0.065 R)
• M22: 22,143,776 km (0.098 R)
• M23: 24,100,516 km (0.116 R)
• M24: 26,912,807 km (0.118 R)
• M25: 27,925,435 km (0.071 R)
• M26: 29,138,823 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.7

Radius: 6.6

Gravity: 17.05 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.4 AU - 6 AU

Year: 9230 Days

Day: 17.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,521,267 km

• M1: 82,129 km (0.065 R)
• M2: 427,551 km (0.09 R)
• M3: 810,222 km (0.049 R)
• M4: 1,116,000 km (0.113 R)
• M5: 1,787,395 km (0.075 R)
• M6: 2,012,241 km (0.038 R)
• M7: 2,639,056 km (0.106 R)
• M8: 2,867,642 km (0.094 R)
• M9: 4,216,266 km (0.108 R)
• M10: 4,737,166 km (0.081 R)
• M11: 5,942,027 km (0.078 R)
• M12: 10,503,865 km (0.051 R)
• M13: 15,390,330 km (0.082 R)
• M14: 16,619,875 km (0.063 R)
• M15: 17,766,692 km (0.054 R)
• M16: 18,509,595 km (0.104 R)
• M17: 18,888,826 km (0.109 R)
• M18: 22,280,957 km (0.117 R)
• M19: 22,537,817 km (0.094 R)
• M20: 24,120,263 km (0.12 R)
• M21: 26,248,293 km (0.072 R)
• M22: 27,800,371 km (0.07 R)
• M23: 28,397,865 km (0.088 R)
• M24: 29,310,112 km (0.118 R)
• M25: 30,873,709 km (0.056 R)
• M26: 32,933,074 km (0.053 R)
• M27: 33,155,077 km (0.081 R)
• M28: 40,669,228 km (0.083 R)
• M29: 43,406,121 km (0.103 R)
• M30: 43,806,744 km (0.089 R)
• M31: 45,023,873 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.2

Radius: 3.8

Gravity: 49.53 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.55 AU - 7.33 AU

Year: 12400 Days

Day: 23 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 87,521,267 km

• M1: 47,572 km (0.051 R)
• M2: 207,791 km (0.111 R)
• M3: 425,905 km (0.114 R)
• M4: 628,311 km (0.08 R)
• M5: 1,079,049 km (0.056 R)
• M6: 1,501,663 km (0.12 R)
• M7: 1,638,396 km (0.035 R)
• M8: 2,310,240 km (0.032 R)
• M9: 3,663,353 km (0.059 R)
• M10: 5,225,902 km (0.109 R)
• M11: 5,944,122 km (0.032 R)
• M12: 7,226,774 km (0.085 R)
• M13: 7,978,054 km (0.088 R)
• M14: 10,108,179 km (0.097 R)
• M15: 10,432,656 km (0.098 R)
• M16: 11,389,933 km (0.065 R)
• M17: 12,527,326 km (0.058 R)
• M18: 13,028,179 km (0.081 R)
• M19: 15,662,149 km (0.071 R)
• M20: 17,758,165 km (0.108 R)
• M21: 18,711,103 km (0.088 R)
• M22: 19,199,989 km (0.066 R)
• M23: 21,329,365 km (0.096 R)
• M24: 21,684,062 km (0.029 R)
• M25: 23,142,342 km (0.111 R)
• M26: 24,567,561 km (0.111 R)
• M27: 26,151,204 km (0.103 R)
• M28: 27,278,573 km (0.081 R)
• M29: 29,192,528 km (0.079 R)
• M30: 30,405,318 km (0.1 R)
• M31: 38,003,544 km (0.075 R)
• M32: 39,448,061 km (0.055 R)
• M33: 39,982,275 km (0.099 R)
• M34: 41,338,978 km (0.118 R)
• M35: 42,726,049 km (0.114 R)
• M36: 53,640,411 km (0.073 R)
• M37: 54,625,662 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.2

Radius: 6.5

Gravity: 17.66 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 9.61 AU - 11.73 AU

Year: 23639 Days

Day: 17.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,521,267 km

• M1: 82,428 km (0.047 R)
• M2: 419,173 km (0.073 R)
• M3: 823,237 km (0.071 R)
• M4: 4,618,535 km (0.117 R)
• M5: 6,652,169 km (0.109 R)
• M6: 7,130,433 km (0.093 R)
• M7: 8,102,071 km (0.06 R)
• M8: 9,570,823 km (0.05 R)
• M9: 10,368,180 km (0.063 R)
• M10: 13,621,335 km (0.117 R)
• M11: 16,878,081 km (0.092 R)
• M12: 18,499,721 km (0.099 R)
• M13: 25,219,658 km (0.115 R)
• M14: 29,182,057 km (0.119 R)
• M15: 36,236,943 km (0.103 R)
• M16: 43,356,305 km (0.038 R)
• M17: 46,550,220 km (0.093 R)
• M18: 76,960,026 km (0.116 R)
• M19: 82,379,059 km (0.059 R)
• M20: 86,736,696 km (0.208 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 11,117 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit