🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456

Radius: 9.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.56 AU - 0.58 AU

Year: 297 Days

Day: 7.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,150,425 km

• M1: 116,088 km (0.112 R)
• M2: 432,039 km (0.113 R)
• M3: 780,153 km (0.106 R)
• M4: 1,155,045 km (0.061 R)
• M5: 1,474,287 km (0.108 R)
• M6: 1,880,296 km (0.09 R)
• M7: 2,376,213 km (0.048 R)
• M8: 2,826,353 km (0.109 R)
• M9: 3,190,773 km (0.044 R)
• M10: 3,489,670 km (0.101 R)
• M11: 3,773,606 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.7

Radius: 10.5

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.66 AU - 1.06 AU

Year: 551 Days

Day: 10.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,150,425 km

• M1: 130,898 km (0.111 R)
• M2: 592,557 km (0.119 R)
• M3: 996,471 km (0.044 R)
• M4: 1,384,678 km (0.111 R)
• M5: 1,832,125 km (0.093 R)
• M6: 2,405,534 km (0.026 R)
• M7: 2,779,828 km (0.11 R)
• M8: 3,242,833 km (0.097 R)
• M9: 3,826,714 km (0.056 R)
• M10: 4,510,675 km (0.084 R)
• M11: 5,397,641 km (0.055 R)
• M12: 5,724,213 km (0.048 R)
• M13: 6,199,635 km (0.094 R)
• M14: 7,057,579 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.5

Radius: 9.8

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.03 AU

Year: 560 Days

Day: 8.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,150,425 km

• M1: 121,922 km (0.116 R)
• M2: 427,102 km (0.117 R)
• M3: 794,365 km (0.039 R)
• M4: 1,638,545 km (0.101 R)
• M5: 1,948,512 km (0.08 R)
• M6: 2,306,799 km (0.037 R)
• M7: 2,922,245 km (0.073 R)
• M8: 3,643,755 km (0.059 R)
• M9: 4,033,757 km (0.12 R)
• M10: 4,957,973 km (0.116 R)
• M11: 5,327,031 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.5

Radius: 11.6

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.94 AU - 0.96 AU

Year: 639 Days

Day: 13.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 88,150,425 km

• M1: 144,362 km (0.117 R)
• M2: 539,450 km (0.077 R)
• M3: 922,271 km (0.076 R)
• M4: 1,287,738 km (0.057 R)
• M5: 1,671,756 km (0.073 R)
• M6: 2,077,017 km (0.12 R)
• M7: 3,215,606 km (0.101 R)
• M8: 3,597,978 km (0.077 R)
• M9: 4,267,578 km (0.059 R)
• M10: 4,698,271 km (0.087 R)
• M11: 5,246,248 km (0.085 R)
• M12: 5,817,412 km (0.071 R)
• M13: 6,868,487 km (0.069 R)
• M14: 7,327,304 km (0.041 R)
• M15: 7,759,941 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.4

Radius: 14.2

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.23 AU - 1.81 AU

Year: 1294 Days

Day: 7.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,150,425 km

• M1: 176,675 km (0.096 R)
• M2: 636,539 km (0.108 R)
• M3: 1,142,329 km (0.116 R)
• M4: 1,627,326 km (0.086 R)
• M5: 2,084,497 km (0.034 R)
• M6: 2,826,801 km (0.072 R)
• M7: 3,420,705 km (0.096 R)
• M8: 4,079,684 km (0.079 R)
• M9: 5,566,836 km (0.046 R)
• M10: 6,628,233 km (0.095 R)
• M11: 7,155,865 km (0.116 R)
• M12: 7,793,151 km (0.071 R)
• M13: 8,352,947 km (0.099 R)
• M14: 10,000,019 km (0.103 R)
• M15: 10,527,352 km (0.102 R)
• M16: 11,388,437 km (0.096 R)
• M17: 11,854,584 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.1

Radius: 8.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.89 AU - 2.67 AU

Year: 2376 Days

Day: 9.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,150,425 km

• M1: 109,506 km (0.091 R)
• M2: 403,465 km (0.115 R)
• M3: 1,065,286 km (0.112 R)
• M4: 1,582,895 km (0.105 R)
• M5: 2,168,272 km (0.098 R)
• M6: 2,664,787 km (0.105 R)
• M7: 3,091,889 km (0.029 R)
• M8: 4,006,381 km (0.059 R)
• M9: 4,452,033 km (0.033 R)
• M10: 6,423,882 km (0.069 R)
• M11: 7,308,903 km (0.108 R)
• M12: 7,732,714 km (0.092 R)
• M13: 8,197,814 km (0.039 R)
• M14: 8,890,751 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.4

Radius: 15

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.1 AU - 4.26 AU

Year: 5899 Days

Day: 14.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,150,425 km

• M1: 186,549 km (0.056 R)
• M2: 768,035 km (0.048 R)
• M3: 1,598,603 km (0.058 R)
• M4: 2,285,855 km (0.111 R)
• M5: 2,809,897 km (0.044 R)
• M6: 3,614,584 km (0.095 R)
• M7: 4,128,004 km (0.104 R)
• M8: 5,119,389 km (0.091 R)
• M9: 5,941,429 km (0.081 R)
• M10: 7,438,754 km (0.11 R)
• M11: 8,096,686 km (0.114 R)
• M12: 8,755,515 km (0.097 R)
• M13: 13,691,646 km (0.116 R)
• M14: 14,628,727 km (0.092 R)
• M15: 15,663,795 km (0.055 R)
• M16: 17,397,036 km (0.1 R)
• M17: 18,248,247 km (0.093 R)
• M18: 19,191,013 km (0.095 R)
• M19: 20,298,337 km (0.064 R)
• M20: 21,037,350 km (0.104 R)
• M21: 21,933,890 km (0.117 R)
• M22: 22,640,591 km (0.087 R)
• M23: 24,324,015 km (0.077 R)
• M24: 25,620,879 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.6

Radius: 10.1

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.88 AU - 5.42 AU

Year: 6921 Days

Day: 9.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 88,150,425 km

• M1: 125,662 km (0.065 R)
• M2: 514,317 km (0.098 R)
• M3: 1,472,791 km (0.118 R)
• M4: 1,790,387 km (0.075 R)
• M5: 2,822,164 km (0.104 R)
• M6: 3,235,802 km (0.078 R)
• M7: 3,757,899 km (0.067 R)
• M8: 5,607,676 km (0.089 R)
• M9: 6,264,860 km (0.046 R)
• M10: 7,695,314 km (0.087 R)
• M11: 8,749,231 km (0.095 R)
• M12: 9,808,384 km (0.049 R)
• M13: 12,129,096 km (0.117 R)
• M14: 12,748,880 km (0.073 R)
• M15: 13,828,827 km (0.049 R)
• M16: 14,505,309 km (0.039 R)
• M17: 26,437,085 km (0.046 R)
• M18: 26,867,927 km (0.075 R)
• M19: 28,010,107 km (0.073 R)
• M20: 29,184,301 km (0.077 R)
• M21: 31,824,553 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.6

Radius: 7.6

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.84 AU - 7.5 AU

Year: 10579 Days

Day: 17.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,150,425 km

• M1: 106,364 km (0.07 R)
• M2: 425,456 km (0.067 R)
• M3: 787,184 km (0.112 R)
• M4: 1,607,878 km (0.11 R)
• M5: 2,130,722 km (0.076 R)
• M6: 5,124,475 km (0.072 R)
• M7: 6,429,417 km (0.099 R)
• M8: 7,100,962 km (0.118 R)
• M9: 9,119,935 km (0.091 R)
• M10: 10,211,401 km (0.046 R)
• M11: 13,763,902 km (0.098 R)
• M12: 14,374,859 km (0.08 R)
• M13: 15,981,690 km (0.081 R)
• M14: 16,249,321 km (0.062 R)
• M15: 23,096,266 km (0.107 R)
• M16: 24,046,212 km (0.058 R)
• M17: 25,021,889 km (0.103 R)
• M18: 25,473,974 km (0.102 R)
• M19: 28,204,435 km (0.072 R)
• M20: 31,646,981 km (0.12 R)
• M21: 34,350,065 km (0.097 R)
• M22: 41,583,870 km (0.117 R)
• M23: 42,730,388 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953

Radius: 6.5

Gravity: 22.56 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.56 AU - 11.02 AU

Year: 21144 Days

Day: 17.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,150,425 km

• M1: 81,082 km (0.072 R)
• M2: 322,533 km (0.111 R)
• M3: 569,220 km (0.097 R)
• M4: 1,057,507 km (0.063 R)
• M5: 1,814,323 km (0.11 R)
• M6: 2,077,017 km (0.092 R)
• M7: 3,481,591 km (0.113 R)
• M8: 4,505,738 km (0.111 R)
• M9: 5,759,668 km (0.039 R)
• M10: 6,330,084 km (0.074 R)
• M11: 7,634,279 km (0.052 R)
• M12: 10,569,538 km (0.089 R)
• M13: 14,103,339 km (0.076 R)
• M14: 15,797,236 km (0.108 R)
• M15: 17,175,481 km (0.057 R)
• M16: 22,102,337 km (0.056 R)
• M17: 22,630,867 km (0.081 R)
• M18: 23,603,402 km (0.042 R)
• M19: 25,171,039 km (0.069 R)
• M20: 28,636,772 km (0.045 R)
• M21: 29,901,922 km (0.057 R)
• M22: 31,072,226 km (0.084 R)
• M23: 37,832,853 km (0.071 R)
• M24: 38,133,993 km (0.115 R)
• M25: 45,852,196 km (0.096 R)
• M26: 46,884,571 km (0.046 R)
• M27: 47,581,398 km (0.114 R)
• M28: 48,639,653 km (0.119 R)
• M29: 51,908,068 km (0.1 R)
• M30: 63,219,462 km (0.088 R)
• M31: 70,010,158 km (0.078 R)
• M32: 72,996,879 km (0.114 R)
• M33: 79,469,231 km (0.115 R)
• M34: 84,246,490 km (0.082 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 13,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit