🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.3

Radius: 14.7

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.63 AU - 0.99 AU

Year: 486 Days

Day: 9.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,347,271 km

• M1: 182,809 km (0.054 R)
• M2: 663,616 km (0.104 R)
• M3: 1,443,769 km (0.113 R)
• M4: 1,985,164 km (0.086 R)
• M5: 2,673,015 km (0.072 R)
• M6: 3,529,014 km (0.12 R)
• M7: 4,137,279 km (0.088 R)
• M8: 5,499,218 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.3

Radius: 9.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.9 AU - 1.38 AU

Year: 812 Days

Day: 6.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,347,271 km

• M1: 116,836 km (0.109 R)
• M2: 410,048 km (0.117 R)
• M3: 973,134 km (0.076 R)
• M4: 1,360,293 km (0.061 R)
• M5: 2,034,381 km (0.093 R)
• M6: 2,432,761 km (0.05 R)
• M7: 2,816,928 km (0.113 R)
• M8: 3,169,680 km (0.09 R)
• M9: 3,895,977 km (0.091 R)
• M10: 4,291,514 km (0.079 R)
• M11: 4,636,337 km (0.075 R)
• M12: 6,452,455 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.8

Radius: 10.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.06 AU - 1.24 AU

Year: 822 Days

Day: 14.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,347,271 km

• M1: 128,056 km (0.076 R)
• M2: 465,249 km (0.068 R)
• M3: 954,434 km (0.089 R)
• M4: 1,454,540 km (0.059 R)
• M5: 2,375,465 km (0.059 R)
• M6: 2,870,933 km (0.072 R)
• M7: 3,356,827 km (0.036 R)
• M8: 3,954,021 km (0.091 R)
• M9: 5,168,457 km (0.066 R)
• M10: 5,833,719 km (0.034 R)
• M11: 6,374,216 km (0.089 R)
• M12: 7,053,988 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788

Radius: 10.4

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.96 AU - 2.64 AU

Year: 2326 Days

Day: 7.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,347,271 km

• M1: 129,402 km (0.034 R)
• M2: 484,398 km (0.092 R)
• M3: 938,278 km (0.069 R)
• M4: 1,458,430 km (0.119 R)
• M5: 2,014,036 km (0.099 R)
• M6: 2,362,599 km (0.11 R)
• M7: 3,791,408 km (0.093 R)
• M8: 4,779,802 km (0.051 R)
• M9: 5,504,304 km (0.085 R)
• M10: 6,193,352 km (0.078 R)
• M11: 7,318,926 km (0.072 R)
• M12: 7,774,452 km (0.062 R)
• M13: 8,281,289 km (0.112 R)
• M14: 9,898,143 km (0.09 R)
• M15: 11,271,751 km (0.076 R)
• M16: 11,797,737 km (0.053 R)
• M17: 12,340,029 km (0.096 R)
• M18: 13,928,908 km (0.067 R)
• M19: 14,440,533 km (0.096 R)
• M20: 14,916,553 km (0.102 R)
• M21: 15,849,595 km (0.101 R)
• M22: 17,508,636 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.9

Radius: 13.3

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.36 AU - 3.46 AU

Year: 3310 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,347,271 km

• M1: 165,455 km (0.057 R)
• M2: 1,222,663 km (0.106 R)
• M3: 1,814,772 km (0.109 R)
• M4: 2,671,519 km (0.116 R)
• M5: 3,327,505 km (0.12 R)
• M6: 3,763,284 km (0.035 R)
• M7: 5,825,191 km (0.064 R)
• M8: 7,458,501 km (0.107 R)
• M9: 9,158,980 km (0.087 R)
• M10: 10,414,854 km (0.067 R)
• M11: 13,034,163 km (0.104 R)
• M12: 15,695,809 km (0.077 R)
• M13: 17,603,331 km (0.032 R)
• M14: 18,819,412 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.6

Radius: 12.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.24 AU - 5.4 AU

Year: 5988 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 57,347,271 km

• M1: 212,130 km (0.063 R)
• M2: 957,875 km (0.102 R)
• M3: 1,707,809 km (0.04 R)
• M4: 5,730,047 km (0.041 R)
• M5: 6,129,773 km (0.083 R)
• M6: 9,401,179 km (0.116 R)
• M7: 12,240,846 km (0.081 R)
• M8: 14,022,856 km (0.1 R)
• M9: 17,039,048 km (0.094 R)
• M10: 20,096,080 km (0.115 R)
• M11: 21,149,549 km (0.094 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.1

Radius: 14.2

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.31 AU - 5.97 AU

Year: 7771 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,347,271 km

• M1: 176,525 km (0.097 R)
• M2: 733,628 km (0.115 R)
• M3: 1,229,096 km (0.107 R)
• M4: 1,846,038 km (0.034 R)
• M5: 2,311,885 km (0.115 R)
• M6: 3,980,650 km (0.035 R)
• M7: 4,496,762 km (0.042 R)
• M8: 5,279,758 km (0.119 R)
• M9: 5,744,259 km (0.104 R)
• M10: 6,264,261 km (0.096 R)
• M11: 8,116,582 km (0.095 R)
• M12: 8,808,622 km (0.096 R)
• M13: 9,390,408 km (0.082 R)
• M14: 9,920,433 km (0.1 R)
• M15: 11,040,622 km (0.027 R)
• M16: 12,287,969 km (0.115 R)
• M17: 12,922,862 km (0.111 R)
• M18: 13,389,757 km (0.056 R)
• M19: 14,160,186 km (0.089 R)
• M20: 16,055,292 km (0.12 R)
• M21: 17,147,506 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 900.4

Radius: 6.8

Gravity: 19.47 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.96 AU - 7.04 AU

Year: 11051 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,347,271 km

• M1: 84,972 km (0.115 R)
• M2: 322,832 km (0.047 R)
• M3: 1,224,758 km (0.109 R)
• M4: 1,770,192 km (0.072 R)
• M5: 2,172,610 km (0.091 R)
• M6: 2,385,787 km (0.118 R)
• M7: 3,087,251 km (0.119 R)
• M8: 3,698,059 km (0.054 R)
• M9: 5,225,304 km (0.112 R)
• M10: 6,438,244 km (0.029 R)
• M11: 8,055,397 km (0.039 R)
• M12: 8,908,703 km (0.084 R)
• M13: 9,561,548 km (0.057 R)
• M14: 10,517,329 km (0.032 R)
• M15: 11,132,026 km (0.107 R)
• M16: 11,477,298 km (0.047 R)
• M17: 12,494,265 km (0.062 R)
• M18: 12,741,999 km (0.095 R)
• M19: 15,052,089 km (0.064 R)
• M20: 17,782,998 km (0.072 R)
• M21: 18,735,189 km (0.059 R)
• M22: 20,482,641 km (0.051 R)
• M23: 22,793,031 km (0.104 R)
• M24: 29,427,098 km (0.066 R)
• M25: 30,198,275 km (0.091 R)
• M26: 30,532,925 km (0.12 R)
• M27: 34,378,488 km (0.037 R)
• M28: 35,480,576 km (0.101 R)
• M29: 37,626,557 km (0.088 R)
• M30: 41,484,387 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.3

Radius: 5.5

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.59 AU - 7.87 AU

Year: 11643 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 134.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,347,271 km

• M1: 69,713 km (0.111 R)
• M2: 608,714 km (0.065 R)
• M3: 862,432 km (0.106 R)
• M4: 1,430,455 km (0.111 R)
• M5: 1,960,779 km (0.074 R)
• M6: 2,169,768 km (0.068 R)
• M7: 2,807,354 km (0.063 R)
• M8: 3,446,885 km (0.042 R)
• M9: 4,284,034 km (0.077 R)
• M10: 4,526,682 km (0.093 R)
• M11: 5,069,124 km (0.103 R)
• M12: 5,433,395 km (0.113 R)
• M13: 5,622,038 km (0.038 R)
• M14: 7,717,156 km (0.111 R)
• M15: 8,489,530 km (0.043 R)
• M16: 11,317,677 km (0.08 R)
• M17: 11,834,388 km (0.099 R)
• M18: 12,098,578 km (0.047 R)
• M19: 12,366,658 km (0.085 R)
• M20: 12,584,023 km (0.112 R)
• M21: 12,970,435 km (0.112 R)
• M22: 15,709,871 km (0.11 R)
• M23: 16,812,856 km (0.104 R)
• M24: 17,897,141 km (0.076 R)
• M25: 18,105,531 km (0.113 R)
• M26: 18,315,567 km (0.097 R)
• M27: 19,979,992 km (0.103 R)
• M28: 22,379,243 km (0.07 R)
• M29: 23,192,457 km (0.115 R)
• M30: 30,027,434 km (0.076 R)
• M31: 32,128,536 km (0.112 R)
• M32: 37,521,390 km (0.061 R)

Asteroid Belt

Center: 7.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487.3

Radius: 7.5

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.49 AU - 8.81 AU

Year: 15516 Days

Day: 20.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,347,271 km

• M1: 115,490 km (0.076 R)
• M2: 479,760 km (0.12 R)
• M3: 745,446 km (0.112 R)
• M4: 1,195,287 km (0.097 R)
• M5: 1,639,144 km (0.083 R)
• M6: 2,423,934 km (0.083 R)
• M7: 4,039,292 km (0.052 R)
• M8: 4,365,415 km (0.088 R)
• M9: 4,677,177 km (0.098 R)
• M10: 8,811,464 km (0.05 R)
• M11: 9,209,245 km (0.108 R)
• M12: 16,035,396 km (0.03 R)
• M13: 17,467,795 km (0.099 R)
• M14: 18,901,691 km (0.052 R)
• M15: 19,984,929 km (0.088 R)
• M16: 20,933,380 km (0.118 R)
• M17: 22,457,782 km (0.096 R)
• M18: 23,862,955 km (0.101 R)
• M19: 26,435,889 km (0.1 R)
• M20: 28,861,169 km (0.117 R)
• M21: 35,878,506 km (0.047 R)
• M22: 45,849,503 km (0.051 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 11,236 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit