🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.7

Radius: 15

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.47 AU - 0.75 AU

Year: 329 Days

Day: 9.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 59,650,500 km

• M1: 186,549 km (0.092 R)
• M2: 727,644 km (0.076 R)
• M3: 2,636,214 km (0.11 R)
• M4: 3,565,815 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.4

Radius: 8.1

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.78 AU - 0.8 AU

Year: 485 Days

Day: 5.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,650,500 km

• M1: 100,679 km (0.117 R)
• M2: 446,998 km (0.086 R)
• M3: 771,027 km (0.03 R)
• M4: 1,083,986 km (0.064 R)
• M5: 1,515,576 km (0.09 R)
• M6: 1,771,987 km (0.113 R)
• M7: 2,071,781 km (0.116 R)
• M8: 2,452,507 km (0.115 R)
• M9: 2,879,460 km (0.087 R)
• M10: 3,172,073 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.1

Radius: 8.7

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.23 AU - 2.45 AU

Year: 2471 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,650,500 km

• M1: 108,159 km (0.082 R)
• M2: 472,879 km (0.084 R)
• M3: 746,493 km (0.052 R)
• M4: 1,054,515 km (0.119 R)
• M5: 1,448,556 km (0.089 R)
• M6: 2,481,529 km (0.075 R)
• M7: 2,979,092 km (0.11 R)
• M8: 3,285,319 km (0.12 R)
• M9: 3,594,837 km (0.103 R)
• M10: 4,134,586 km (0.113 R)
• M11: 4,434,530 km (0.07 R)
• M12: 5,612,763 km (0.066 R)
• M13: 6,006,355 km (0.044 R)
• M14: 6,821,513 km (0.111 R)
• M15: 7,828,457 km (0.086 R)
• M16: 8,133,487 km (0.056 R)
• M17: 8,865,619 km (0.115 R)
• M18: 12,157,071 km (0.053 R)
• M19: 12,608,258 km (0.045 R)
• M20: 13,198,721 km (0.081 R)
• M21: 14,163,777 km (0.025 R)
• M22: 15,891,632 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.3

Radius: 9.2

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.64 AU - 2.66 AU

Year: 2978 Days

Day: 7 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,650,500 km

• M1: 118,332 km (0.092 R)
• M2: 458,667 km (0.075 R)
• M3: 940,223 km (0.113 R)
• M4: 1,776,176 km (0.104 R)
• M5: 2,160,642 km (0.054 R)
• M6: 3,613,088 km (0.08 R)
• M7: 4,031,214 km (0.116 R)
• M8: 4,463,402 km (0.04 R)
• M9: 5,360,092 km (0.094 R)
• M10: 5,733,638 km (0.1 R)
• M11: 6,326,494 km (0.118 R)
• M12: 7,032,745 km (0.096 R)
• M13: 7,354,680 km (0.097 R)
• M14: 8,912,892 km (0.112 R)
• M15: 9,202,214 km (0.038 R)
• M16: 11,306,457 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.9

Radius: 11.9

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.8 AU - 3.8 AU

Year: 4138 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,650,500 km

• M1: 148,251 km (0.104 R)
• M2: 547,379 km (0.101 R)
• M3: 1,148,313 km (0.08 R)
• M4: 2,376,512 km (0.03 R)
• M5: 2,982,832 km (0.07 R)
• M6: 3,362,811 km (0.109 R)
• M7: 3,840,177 km (0.078 R)
• M8: 4,880,631 km (0.119 R)
• M9: 6,130,072 km (0.117 R)
• M10: 7,274,795 km (0.096 R)
• M11: 7,651,632 km (0.028 R)
• M12: 8,296,548 km (0.119 R)
• M13: 9,133,548 km (0.102 R)
• M14: 10,364,739 km (0.118 R)
• M15: 12,855,095 km (0.057 R)
• M16: 15,049,995 km (0.066 R)
• M17: 16,645,306 km (0.108 R)
• M18: 17,121,177 km (0.093 R)
• M19: 17,851,963 km (0.106 R)
• M20: 19,116,065 km (0.056 R)
• M21: 19,703,984 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911

Radius: 10.4

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.62 AU - 5.76 AU

Year: 7011 Days

Day: 6.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,650,500 km

• M1: 140,173 km (0.081 R)
• M2: 607,966 km (0.111 R)
• M3: 1,109,717 km (0.059 R)
• M4: 1,437,935 km (0.115 R)
• M5: 2,495,891 km (0.109 R)
• M6: 3,136,469 km (0.06 R)
• M7: 3,734,711 km (0.063 R)
• M8: 4,630,204 km (0.06 R)
• M9: 5,220,367 km (0.097 R)
• M10: 6,338,312 km (0.11 R)
• M11: 8,560,140 km (0.035 R)
• M12: 8,997,714 km (0.075 R)
• M13: 10,108,777 km (0.069 R)
• M14: 10,647,778 km (0.099 R)
• M15: 15,160,996 km (0.084 R)
• M16: 20,966,441 km (0.088 R)
• M17: 24,708,931 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.8

Radius: 3.9

Gravity: 55.21 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.62 AU - 8.2 AU

Year: 12538 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 59,650,500 km

• M1: 48,769 km (0.083 R)
• M2: 195,076 km (0.108 R)
• M3: 539,749 km (0.065 R)
• M4: 851,960 km (0.072 R)
• M5: 1,036,713 km (0.102 R)
• M6: 1,690,157 km (0.105 R)
• M7: 2,075,670 km (0.105 R)
• M8: 3,584,066 km (0.076 R)
• M9: 3,749,671 km (0.075 R)
• M10: 4,216,715 km (0.085 R)
• M11: 4,623,921 km (0.087 R)
• M12: 4,887,213 km (0.078 R)
• M13: 5,022,449 km (0.103 R)
• M14: 6,118,852 km (0.067 R)
• M15: 7,103,655 km (0.118 R)
• M16: 7,816,040 km (0.064 R)
• M17: 8,526,031 km (0.105 R)
• M18: 9,022,696 km (0.079 R)
• M19: 9,278,060 km (0.086 R)
• M20: 9,964,714 km (0.107 R)
• M21: 10,127,925 km (0.095 R)
• M22: 11,557,632 km (0.081 R)
• M23: 13,116,592 km (0.097 R)
• M24: 14,810,339 km (0.073 R)
• M25: 16,041,828 km (0.06 R)
• M26: 17,261,799 km (0.067 R)
• M27: 18,216,383 km (0.099 R)
• M28: 19,373,971 km (0.105 R)
• M29: 21,743,303 km (0.036 R)
• M30: 30,450,497 km (0.082 R)
• M31: 31,024,803 km (0.082 R)
• M32: 33,273,110 km (0.106 R)
• M33: 34,747,696 km (0.115 R)
• M34: 36,265,366 km (0.118 R)
• M35: 41,502,040 km (0.118 R)
• M36: 45,111,088 km (0.103 R)
• M37: 54,445,696 km (0.062 R)
• M38: 57,705,135 km (0.086 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 12,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit