🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.42 AU - 0.68 AU

Year: 268 Days

Day: 41.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,154,608 km

• M1: 56,698 km (0.113 R)
• M2: 128,355 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.2

Radius: 13.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.71 AU - 0.85 AU

Year: 452 Days

Day: 14.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,154,608 km

• M1: 165,306 km (0.112 R)
• M2: 621,280 km (0.081 R)
• M3: 1,145,471 km (0.035 R)
• M4: 1,617,303 km (0.113 R)
• M5: 2,078,662 km (0.104 R)
• M6: 2,580,713 km (0.077 R)
• M7: 3,331,545 km (0.088 R)
• M8: 4,858,191 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.9

Radius: 14.9

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.92 AU - 0.96 AU

Year: 598 Days

Day: 5.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 82 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,154,608 km

• M1: 185,352 km (0.095 R)
• M2: 775,665 km (0.092 R)
• M3: 1,418,188 km (0.091 R)
• M4: 2,190,711 km (0.09 R)
• M5: 2,856,571 km (0.107 R)
• M6: 3,957,911 km (0.076 R)
• M7: 4,485,842 km (0.059 R)
• M8: 4,999,561 km (0.079 R)
• M9: 5,668,263 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 14.1

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.51 AU - 1.73 AU

Year: 1353 Days

Day: 9.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,154,608 km

• M1: 177,722 km (0.092 R)
• M2: 759,209 km (0.113 R)
• M3: 1,372,261 km (0.038 R)
• M4: 2,583,256 km (0.119 R)
• M5: 3,061,072 km (0.108 R)
• M6: 3,673,525 km (0.049 R)
• M7: 4,646,659 km (0.11 R)
• M8: 5,282,002 km (0.062 R)
• M9: 6,843,205 km (0.089 R)
• M10: 8,104,315 km (0.091 R)
• M11: 8,694,030 km (0.058 R)
• M12: 9,810,030 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.8

Radius: 14.3

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.1 AU - 4.48 AU

Year: 4840 Days

Day: 9.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,154,608 km

• M1: 210,035 km (0.098 R)
• M2: 960,418 km (0.104 R)
• M3: 1,604,138 km (0.111 R)
• M4: 2,111,125 km (0.114 R)
• M5: 2,609,884 km (0.112 R)
• M6: 4,342,976 km (0.109 R)
• M7: 5,346,777 km (0.034 R)
• M8: 6,049,439 km (0.109 R)
• M9: 6,561,961 km (0.098 R)
• M10: 7,169,029 km (0.072 R)
• M11: 8,496,411 km (0.115 R)
• M12: 9,140,879 km (0.105 R)
• M13: 10,485,315 km (0.032 R)
• M14: 13,362,231 km (0.037 R)
• M15: 15,868,295 km (0.084 R)
• M16: 16,497,354 km (0.046 R)
• M17: 17,024,387 km (0.09 R)
• M18: 18,862,796 km (0.107 R)
• M19: 19,569,047 km (0.096 R)
• M20: 21,654,591 km (0.09 R)
• M21: 24,940,359 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 923.6

Radius: 7.4

Gravity: 16.87 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.78 AU - 7.42 AU

Year: 12411 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 61,154,608 km

• M1: 104,569 km (0.116 R)
• M2: 424,858 km (0.105 R)
• M3: 1,228,348 km (0.061 R)
• M4: 1,773,932 km (0.083 R)
• M5: 2,149,721 km (0.108 R)
• M6: 2,732,555 km (0.106 R)
• M7: 3,260,934 km (0.067 R)
• M8: 3,576,735 km (0.117 R)
• M9: 4,208,786 km (0.097 R)
• M10: 5,329,125 km (0.105 R)
• M11: 6,271,292 km (0.109 R)
• M12: 6,636,162 km (0.041 R)
• M13: 9,131,454 km (0.108 R)
• M14: 9,760,663 km (0.069 R)
• M15: 10,530,942 km (0.064 R)
• M16: 10,873,072 km (0.103 R)
• M17: 13,413,843 km (0.077 R)
• M18: 16,174,372 km (0.095 R)
• M19: 16,707,090 km (0.116 R)
• M20: 18,375,256 km (0.114 R)
• M21: 18,955,247 km (0.102 R)
• M22: 20,946,843 km (0.05 R)
• M23: 21,671,196 km (0.078 R)
• M24: 26,580,849 km (0.112 R)
• M25: 30,889,417 km (0.092 R)
• M26: 31,591,181 km (0.048 R)
• M27: 33,636,932 km (0.095 R)
• M28: 34,880,838 km (0.066 R)
• M29: 38,931,200 km (0.079 R)
• M30: 40,025,210 km (0.113 R)
• M31: 40,440,792 km (0.118 R)
• M32: 44,755,195 km (0.091 R)
• M33: 45,202,792 km (0.074 R)
• M34: 46,411,094 km (0.106 R)
• M35: 47,177,035 km (0.111 R)
• M36: 48,107,384 km (0.116 R)
• M37: 56,167,568 km (0.118 R)
• M38: 57,037,479 km (0.083 R)
• M39: 60,606,735 km (0.094 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 13,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit