🌌 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: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 383.2

Radius: 9.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.47 AU - 0.77 AU

Year: 331 Days

Day: 12.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,501,472 km

• M1: 119,379 km (0.11 R)
• M2: 482,004 km (0.098 R)
• M3: 780,751 km (0.113 R)
• M4: 1,103,135 km (0.095 R)
• M5: 1,740,870 km (0.119 R)
• M6: 2,189,215 km (0.071 R)
• M7: 2,512,945 km (0.096 R)
• M8: 2,831,738 km (0.115 R)
• M9: 3,227,873 km (0.111 R)
• M10: 3,851,397 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.3

Radius: 12.6

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.71 AU - 0.81 AU

Year: 449 Days

Day: 12.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,501,472 km

• M1: 157,377 km (0.051 R)
• M2: 599,439 km (0.08 R)
• M3: 1,268,590 km (0.12 R)
• M4: 1,839,904 km (0.115 R)
• M5: 2,490,505 km (0.101 R)
• M6: 3,081,118 km (0.099 R)
• M7: 3,546,517 km (0.097 R)
• M8: 3,949,833 km (0.062 R)
• M9: 4,959,469 km (0.112 R)
• M10: 5,585,237 km (0.104 R)
• M11: 6,043,305 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.7

Radius: 10.4

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.49 AU - 2.17 AU

Year: 1679 Days

Day: 10.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,501,472 km

• M1: 129,402 km (0.072 R)
• M2: 523,293 km (0.086 R)
• M3: 1,181,973 km (0.087 R)
• M4: 1,724,115 km (0.107 R)
• M5: 2,695,604 km (0.093 R)
• M6: 3,595,884 km (0.104 R)
• M7: 3,964,643 km (0.111 R)
• M8: 4,685,405 km (0.051 R)
• M9: 5,226,202 km (0.108 R)
• M10: 6,954,506 km (0.077 R)
• M11: 8,029,067 km (0.085 R)
• M12: 9,329,073 km (0.049 R)
• M13: 10,123,288 km (0.111 R)
• M14: 10,895,811 km (0.063 R)
• M15: 11,229,115 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.6

Radius: 13.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.01 AU - 2.69 AU

Year: 2443 Days

Day: 12.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,501,472 km

• M1: 172,935 km (0.062 R)
• M2: 665,262 km (0.114 R)
• M3: 1,305,241 km (0.091 R)
• M4: 1,768,845 km (0.091 R)
• M5: 2,356,765 km (0.088 R)
• M6: 2,871,082 km (0.068 R)
• M7: 4,314,851 km (0.03 R)
• M8: 4,884,370 km (0.033 R)
• M9: 5,548,286 km (0.097 R)
• M10: 6,296,275 km (0.11 R)
• M11: 6,900,651 km (0.078 R)
• M12: 7,879,769 km (0.026 R)
• M13: 8,432,832 km (0.12 R)
• M14: 9,136,989 km (0.112 R)
• M15: 10,386,131 km (0.079 R)
• M16: 11,896,023 km (0.108 R)
• M17: 13,384,222 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.7

Radius: 12.4

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.35 AU - 3.55 AU

Year: 4346 Days

Day: 7.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,501,472 km

• M1: 154,235 km (0.09 R)
• M2: 1,116,898 km (0.108 R)
• M3: 2,230,803 km (0.105 R)
• M4: 2,868,390 km (0.079 R)
• M5: 4,560,491 km (0.096 R)
• M6: 5,223,060 km (0.026 R)
• M7: 6,194,997 km (0.083 R)
• M8: 8,730,681 km (0.087 R)
• M9: 9,881,837 km (0.12 R)
• M10: 10,539,020 km (0.09 R)
• M11: 13,621,933 km (0.071 R)
• M12: 14,106,630 km (0.062 R)
• M13: 14,547,196 km (0.072 R)
• M14: 16,462,647 km (0.072 R)
• M15: 17,013,018 km (0.078 R)
• M16: 18,475,487 km (0.083 R)
• M17: 21,795,063 km (0.066 R)
• M18: 22,758,324 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.9

Radius: 9.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.09 AU - 4.99 AU

Year: 6561 Days

Day: 9 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,501,472 km

• M1: 117,135 km (0.112 R)
• M2: 676,781 km (0.108 R)
• M3: 971,937 km (0.033 R)
• M4: 1,555,818 km (0.112 R)
• M5: 1,938,788 km (0.079 R)
• M6: 2,270,148 km (0.096 R)
• M7: 3,268,414 km (0.092 R)
• M8: 3,830,453 km (0.11 R)
• M9: 5,016,316 km (0.114 R)
• M10: 5,393,003 km (0.104 R)
• M11: 5,860,347 km (0.1 R)
• M12: 6,178,392 km (0.083 R)
• M13: 6,664,136 km (0.058 R)
• M14: 7,511,159 km (0.101 R)
• M15: 8,214,868 km (0.093 R)
• M16: 8,551,912 km (0.079 R)
• M17: 13,183,013 km (0.089 R)
• M18: 14,737,335 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.7

Radius: 7.8

Gravity: 15.86 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 5.86 AU - 6.3 AU

Year: 10168 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 77.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,501,472 km

• M1: 97,089 km (0.082 R)
• M2: 368,160 km (0.05 R)
• M3: 1,326,185 km (0.052 R)
• M4: 1,697,038 km (0.116 R)
• M5: 2,063,703 km (0.115 R)
• M6: 2,502,772 km (0.075 R)
• M7: 4,289,569 km (0.072 R)
• M8: 5,307,134 km (0.072 R)
• M9: 7,810,804 km (0.106 R)
• M10: 8,355,041 km (0.12 R)
• M11: 11,291,797 km (0.063 R)
• M12: 11,578,426 km (0.079 R)
• M13: 14,247,103 km (0.074 R)
• M14: 15,059,270 km (0.117 R)
• M15: 17,912,699 km (0.059 R)
• M16: 19,920,153 km (0.046 R)
• M17: 22,431,453 km (0.084 R)
• M18: 23,159,695 km (0.075 R)
• M19: 34,471,389 km (0.114 R)
• M20: 36,055,780 km (0.092 R)
• M21: 36,677,957 km (0.09 R)
• M22: 39,764,012 km (0.07 R)
• M23: 42,326,773 km (0.07 R)
• M24: 45,429,433 km (0.108 R)
• M25: 48,228,110 km (0.096 R)
• M26: 50,207,888 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.3

Radius: 4.7

Gravity: 30.34 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.03 AU - 8.27 AU

Year: 12967 Days

Day: 20.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 54,501,472 km

• M1: 82,279 km (0.104 R)
• M2: 264,938 km (0.109 R)
• M3: 440,117 km (0.107 R)
• M4: 782,696 km (0.025 R)
• M5: 931,097 km (0.099 R)
• M6: 1,678,189 km (0.088 R)
• M7: 2,108,432 km (0.073 R)
• M8: 2,399,999 km (0.085 R)
• M9: 3,897,773 km (0.064 R)
• M10: 4,743,748 km (0.114 R)
• M11: 5,383,429 km (0.113 R)
• M12: 7,425,590 km (0.076 R)
• M13: 7,779,837 km (0.103 R)
• M14: 8,145,305 km (0.108 R)
• M15: 8,426,848 km (0.082 R)
• M16: 9,985,957 km (0.09 R)
• M17: 11,202,637 km (0.087 R)
• M18: 11,550,751 km (0.101 R)
• M19: 13,207,697 km (0.12 R)
• M20: 14,396,401 km (0.06 R)
• M21: 17,676,933 km (0.09 R)
• M22: 23,433,160 km (0.113 R)
• M23: 25,366,713 km (0.055 R)
• M24: 26,884,832 km (0.106 R)
• M25: 31,341,352 km (0.101 R)
• M26: 33,206,239 km (0.067 R)
• M27: 38,581,889 km (0.115 R)
• M28: 43,934,202 km (0.03 R)
• M29: 47,011,280 km (0.071 R)
• M30: 48,068,040 km (0.117 R)
• M31: 50,385,610 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215

Radius: 5.1

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.3 AU - 10.82 AU

Year: 21642 Days

Day: 22.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,501,472 km

• M1: 66,421 km (0.116 R)
• M2: 355,145 km (0.097 R)
• M3: 797,357 km (0.044 R)
• M4: 1,009,187 km (0.095 R)
• M5: 1,195,586 km (0.069 R)
• M6: 1,475,185 km (0.117 R)
• M7: 1,966,913 km (0.075 R)
• M8: 2,165,579 km (0.117 R)
• M9: 2,397,455 km (0.026 R)
• M10: 2,798,527 km (0.089 R)
• M11: 4,544,335 km (0.086 R)
• M12: 4,958,272 km (0.037 R)
• M13: 5,225,154 km (0.056 R)
• M14: 5,679,334 km (0.086 R)
• M15: 6,312,432 km (0.079 R)
• M16: 9,572,469 km (0.109 R)
• M17: 10,739,930 km (0.049 R)
• M18: 11,130,530 km (0.116 R)
• M19: 12,238,452 km (0.117 R)
• M20: 12,912,391 km (0.051 R)
• M21: 13,163,565 km (0.104 R)
• M22: 14,002,211 km (0.117 R)
• M23: 14,603,295 km (0.104 R)
• M24: 15,785,418 km (0.104 R)
• M25: 17,180,418 km (0.061 R)
• M26: 23,960,493 km (0.097 R)
• M27: 35,052,726 km (0.112 R)
• M28: 38,311,416 km (0.051 R)
• M29: 38,960,372 km (0.093 R)
• M30: 42,177,773 km (0.108 R)
• M31: 43,008,939 km (0.115 R)
• M32: 43,992,395 km (0.115 R)
• M33: 48,983,130 km (0.09 R)
• M34: 49,747,575 km (0.06 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 13,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit