🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 636.7

Radius: 8.2

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.95 AU - 1.13 AU

Year: 707 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,799,145 km

• M1: 102,026 km (0.107 R)
• M2: 486,043 km (0.114 R)
• M3: 752,028 km (0.107 R)
• M4: 1,459,477 km (0.051 R)
• M5: 2,393,416 km (0.1 R)
• M6: 2,674,062 km (0.107 R)
• M7: 3,050,001 km (0.103 R)
• M8: 3,596,482 km (0.079 R)
• M9: 4,161,065 km (0.092 R)
• M10: 4,424,955 km (0.082 R)
• M11: 4,683,760 km (0.095 R)
• M12: 4,969,641 km (0.106 R)
• M13: 5,375,051 km (0.053 R)
• M14: 5,936,941 km (0.11 R)
• M15: 7,288,259 km (0.09 R)
• M16: 7,673,174 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.9

Radius: 10.6

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.06 AU - 1.34 AU

Year: 877 Days

Day: 14.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,799,145 km

• M1: 131,796 km (0.087 R)
• M2: 517,160 km (0.077 R)
• M3: 956,978 km (0.113 R)
• M4: 1,465,610 km (0.066 R)
• M5: 1,921,585 km (0.114 R)
• M6: 2,259,975 km (0.109 R)
• M7: 2,825,605 km (0.047 R)
• M8: 3,162,050 km (0.12 R)
• M9: 3,497,449 km (0.091 R)
• M10: 4,516,360 km (0.116 R)
• M11: 5,530,035 km (0.118 R)
• M12: 7,547,213 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881

Radius: 12.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.91 AU - 3.51 AU

Year: 3835 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,799,145 km

• M1: 154,235 km (0.12 R)
• M2: 697,575 km (0.067 R)
• M3: 1,172,548 km (0.107 R)
• M4: 1,788,592 km (0.105 R)
• M5: 4,022,687 km (0.059 R)
• M6: 6,063,351 km (0.109 R)
• M7: 7,060,421 km (0.111 R)
• M8: 7,842,369 km (0.038 R)
• M9: 8,871,154 km (0.114 R)
• M10: 12,890,101 km (0.048 R)
• M11: 13,798,309 km (0.098 R)
• M12: 15,240,133 km (0.105 R)
• M13: 21,252,472 km (0.103 R)
• M14: 23,613,425 km (0.113 R)
• M15: 25,592,905 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.7

Radius: 13.3

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.74 AU - 5.7 AU

Year: 7953 Days

Day: 12.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,799,145 km

• M1: 165,754 km (0.092 R)
• M2: 972,386 km (0.083 R)
• M3: 1,409,062 km (0.041 R)
• M4: 2,299,618 km (0.117 R)
• M5: 3,083,063 km (0.115 R)
• M6: 3,658,566 km (0.097 R)
• M7: 4,081,628 km (0.113 R)
• M8: 4,656,683 km (0.063 R)
• M9: 5,525,397 km (0.107 R)
• M10: 9,830,824 km (0.056 R)
• M11: 12,489,477 km (0.104 R)
• M12: 12,966,994 km (0.084 R)
• M13: 13,556,260 km (0.053 R)
• M14: 15,650,630 km (0.084 R)
• M15: 16,149,988 km (0.114 R)
• M16: 17,298,151 km (0.12 R)
• M17: 19,121,600 km (0.113 R)
• M18: 19,628,737 km (0.119 R)
• M19: 23,942,242 km (0.107 R)
• M20: 25,206,493 km (0.081 R)
• M21: 25,739,810 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.5

Radius: 7.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.71 AU - 6.55 AU

Year: 10121 Days

Day: 18.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,799,145 km

• M1: 103,372 km (0.106 R)
• M2: 340,634 km (0.053 R)
• M3: 1,339,200 km (0.116 R)
• M4: 1,641,089 km (0.035 R)
• M5: 2,033,035 km (0.1 R)
• M6: 2,609,585 km (0.026 R)
• M7: 3,269,611 km (0.105 R)
• M8: 3,571,799 km (0.058 R)
• M9: 3,845,563 km (0.105 R)
• M10: 5,343,337 km (0.061 R)
• M11: 5,581,048 km (0.104 R)
• M12: 6,502,421 km (0.103 R)
• M13: 6,877,313 km (0.053 R)
• M14: 7,521,781 km (0.118 R)
• M15: 8,522,740 km (0.101 R)
• M16: 9,139,233 km (0.096 R)
• M17: 9,697,233 km (0.059 R)
• M18: 10,460,930 km (0.055 R)
• M19: 11,507,816 km (0.112 R)
• M20: 12,886,361 km (0.059 R)
• M21: 15,066,750 km (0.084 R)
• M22: 15,602,908 km (0.086 R)
• M23: 19,367,539 km (0.065 R)
• M24: 20,359,373 km (0.085 R)
• M25: 20,867,706 km (0.075 R)
• M26: 23,617,165 km (0.098 R)
• M27: 27,823,558 km (0.116 R)
• M28: 28,539,833 km (0.116 R)
• M29: 29,085,117 km (0.097 R)
• M30: 31,818,869 km (0.087 R)
• M31: 33,098,230 km (0.075 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.1

Radius: 5.3

Gravity: 32.51 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.05 AU - 10.27 AU

Year: 20021 Days

Day: 24.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,799,145 km

• M1: 68,366 km (0.108 R)
• M2: 337,343 km (0.099 R)
• M3: 604,675 km (0.091 R)
• M4: 841,338 km (0.09 R)
• M5: 1,237,922 km (0.041 R)
• M6: 1,503,907 km (0.108 R)
• M7: 2,024,807 km (0.095 R)
• M8: 2,193,703 km (0.069 R)
• M9: 3,327,954 km (0.11 R)
• M10: 4,807,178 km (0.083 R)
• M11: 5,505,650 km (0.086 R)
• M12: 6,493,744 km (0.085 R)
• M13: 6,910,823 km (0.091 R)
• M14: 8,005,431 km (0.071 R)
• M15: 15,654,520 km (0.058 R)
• M16: 18,978,435 km (0.094 R)
• M17: 20,215,609 km (0.074 R)
• M18: 22,639,244 km (0.093 R)
• M19: 23,274,138 km (0.072 R)
• M20: 23,812,091 km (0.089 R)
• M21: 24,248,468 km (0.036 R)
• M22: 27,097,410 km (0.057 R)
• M23: 27,334,523 km (0.075 R)
• M24: 29,908,504 km (0.116 R)
• M25: 32,773,602 km (0.091 R)
• M26: 36,533,296 km (0.101 R)
• M27: 40,725,776 km (0.04 R)
• M28: 41,349,599 km (0.082 R)
• M29: 42,937,282 km (0.097 R)
• M30: 43,259,665 km (0.049 R)
• M31: 44,400,648 km (0.097 R)
• M32: 51,126,419 km (0.084 R)
• M33: 59,494,026 km (0.098 R)
• M34: 60,499,024 km (0.033 R)
• M35: 72,996,281 km (0.224 R)
• M36: 80,575,807 km (0.101 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 12,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit