🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.1

Radius: 10.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.4 AU - 0.64 AU

Year: 254 Days

Day: 8.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,802,058 km

• M1: 126,859 km (0.087 R)
• M2: 506,538 km (0.078 R)
• M3: 918,531 km (0.104 R)
• M4: 1,329,775 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.9

Radius: 11.5

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.56 AU - 0.72 AU

Year: 347 Days

Day: 9 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,802,058 km

• M1: 143,016 km (0.097 R)
• M2: 683,213 km (0.084 R)
• M3: 1,163,572 km (0.112 R)
• M4: 1,760,468 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.7

Radius: 12.8

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.93 AU - 1.37 AU

Year: 836 Days

Day: 11.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,802,058 km

• M1: 159,322 km (0.087 R)
• M2: 563,386 km (0.082 R)
• M3: 1,107,174 km (0.104 R)
• M4: 1,708,258 km (0.059 R)
• M5: 2,146,430 km (0.058 R)
• M6: 2,613,325 km (0.06 R)
• M7: 3,407,391 km (0.057 R)
• M8: 4,064,125 km (0.089 R)
• M9: 4,697,972 km (0.073 R)
• M10: 5,474,534 km (0.049 R)
• M11: 7,049,500 km (0.075 R)
• M12: 8,454,823 km (0.092 R)
• M13: 9,377,842 km (0.059 R)
• M14: 9,776,969 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.9

Radius: 14.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.08 AU - 1.7 AU

Year: 1112 Days

Day: 14.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,802,058 km

• M1: 176,675 km (0.099 R)
• M2: 633,547 km (0.097 R)
• M3: 1,176,288 km (0.078 R)
• M4: 1,629,270 km (0.09 R)
• M5: 2,230,504 km (0.059 R)
• M6: 2,748,861 km (0.073 R)
• M7: 3,775,850 km (0.103 R)
• M8: 4,378,580 km (0.111 R)
• M9: 5,394,499 km (0.104 R)
• M10: 5,930,060 km (0.076 R)
• M11: 6,440,338 km (0.036 R)
• M12: 6,916,209 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.1

Radius: 14.5

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.85 AU - 2.27 AU

Year: 2005 Days

Day: 12.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,802,058 km

• M1: 182,659 km (0.071 R)
• M2: 768,783 km (0.045 R)
• M3: 1,238,371 km (0.103 R)
• M4: 1,692,850 km (0.043 R)
• M5: 2,310,838 km (0.105 R)
• M6: 3,123,155 km (0.105 R)
• M7: 3,742,490 km (0.05 R)
• M8: 5,588,827 km (0.095 R)
• M9: 6,157,748 km (0.099 R)
• M10: 6,609,533 km (0.033 R)
• M11: 10,424,728 km (0.12 R)
• M12: 13,164,164 km (0.08 R)
• M13: 14,348,829 km (0.109 R)
• M14: 15,374,323 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.4

Radius: 8.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.71 AU - 2.69 AU

Year: 2213 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,802,058 km

• M1: 321,187 km (0.028 R)
• M2: 873,053 km (0.077 R)
• M3: 1,263,354 km (0.113 R)
• M4: 1,636,302 km (0.078 R)
• M5: 2,668,976 km (0.092 R)
• M6: 3,015,743 km (0.085 R)
• M7: 3,453,018 km (0.098 R)
• M8: 3,882,214 km (0.095 R)
• M9: 4,472,827 km (0.095 R)
• M10: 4,770,826 km (0.042 R)
• M11: 6,120,647 km (0.046 R)
• M12: 6,654,263 km (0.084 R)
• M13: 7,018,683 km (0.096 R)
• M14: 7,603,461 km (0.109 R)
• M15: 8,358,482 km (0.113 R)
• M16: 9,044,687 km (0.087 R)
• M17: 11,261,129 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182

Radius: 14.3

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.54 AU - 4.56 AU

Year: 6583 Days

Day: 11 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,802,058 km

• M1: 177,872 km (0.078 R)
• M2: 1,170,005 km (0.091 R)
• M3: 1,658,891 km (0.112 R)
• M4: 2,109,031 km (0.106 R)
• M5: 3,070,347 km (0.092 R)
• M6: 5,719,575 km (0.111 R)
• M7: 7,421,999 km (0.065 R)
• M8: 8,565,525 km (0.049 R)
• M9: 9,291,374 km (0.111 R)
• M10: 11,981,443 km (0.118 R)
• M11: 12,797,350 km (0.098 R)
• M12: 14,040,807 km (0.107 R)
• M13: 15,893,876 km (0.075 R)
• M14: 22,767,450 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.2

Radius: 7.4

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.96 AU - 7.18 AU

Year: 11422 Days

Day: 22.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,802,058 km

• M1: 92,003 km (0.103 R)
• M2: 700,268 km (0.104 R)
• M3: 1,959,283 km (0.11 R)
• M4: 2,732,704 km (0.026 R)
• M5: 3,399,312 km (0.107 R)
• M6: 4,197,118 km (0.101 R)
• M7: 5,738,425 km (0.115 R)
• M8: 6,636,012 km (0.046 R)
• M9: 10,187,166 km (0.116 R)
• M10: 10,960,737 km (0.093 R)
• M11: 12,741,101 km (0.119 R)
• M12: 14,770,396 km (0.11 R)
• M13: 15,895,671 km (0.104 R)
• M14: 16,513,959 km (0.094 R)
• M15: 19,535,388 km (0.103 R)
• M16: 20,808,166 km (0.055 R)
• M17: 23,518,132 km (0.108 R)
• M18: 25,049,415 km (0.108 R)
• M19: 25,980,513 km (0.1 R)
• M20: 27,420,243 km (0.094 R)
• M21: 29,729,884 km (0.114 R)
• M22: 30,879,095 km (0.099 R)
• M23: 31,733,299 km (0.103 R)
• M24: 33,154,628 km (0.079 R)
• M25: 33,824,827 km (0.106 R)
• M26: 34,390,157 km (0.071 R)
• M27: 39,890,571 km (0.077 R)
• M28: 41,545,124 km (0.056 R)
• M29: 43,910,715 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.7

Radius: 4.7

Gravity: 42.13 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 7.22 AU - 8.72 AU

Year: 15261 Days

Day: 16.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,802,058 km

• M1: 58,792 km (0.116 R)
• M2: 223,798 km (0.082 R)
• M3: 435,330 km (0.041 R)
• M4: 796,908 km (0.064 R)
• M5: 1,105,229 km (0.104 R)
• M6: 1,294,321 km (0.094 R)
• M7: 1,520,662 km (0.08 R)
• M8: 2,153,162 km (0.116 R)
• M9: 2,472,105 km (0.068 R)
• M10: 3,047,309 km (0.064 R)
• M11: 3,534,100 km (0.076 R)
• M12: 5,417,986 km (0.106 R)
• M13: 5,727,205 km (0.079 R)
• M14: 6,769,304 km (0.081 R)
• M15: 7,405,244 km (0.113 R)
• M16: 7,931,978 km (0.118 R)
• M17: 8,586,469 km (0.101 R)
• M18: 9,495,575 km (0.115 R)
• M19: 10,765,212 km (0.063 R)
• M20: 11,191,716 km (0.107 R)
• M21: 11,503,328 km (0.115 R)
• M22: 13,919,633 km (0.025 R)
• M23: 15,245,968 km (0.101 R)
• M24: 20,923,057 km (0.097 R)
• M25: 21,682,715 km (0.102 R)
• M26: 22,069,426 km (0.049 R)
• M27: 22,460,774 km (0.081 R)
• M28: 23,358,062 km (0.117 R)
• M29: 25,437,323 km (0.075 R)
• M30: 26,411,953 km (0.105 R)
• M31: 29,484,843 km (0.089 R)
• M32: 35,387,526 km (0.119 R)
• M33: 37,287,120 km (0.118 R)
• M34: 48,795,684 km (0.115 R)
• M35: 54,275,903 km (0.083 R)
• M36: 63,439,969 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.6

Radius: 6.4

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.41 AU - 11.21 AU

Year: 22453 Days

Day: 24.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,802,058 km

• M1: 80,932 km (0.113 R)
• M2: 287,078 km (0.072 R)
• M3: 566,527 km (0.062 R)
• M4: 803,640 km (0.043 R)
• M5: 1,894,358 km (0.119 R)
• M6: 2,154,209 km (0.117 R)
• M7: 2,354,222 km (0.034 R)
• M8: 3,079,771 km (0.075 R)
• M9: 4,215,518 km (0.071 R)
• M10: 6,304,952 km (0.117 R)
• M11: 7,595,233 km (0.114 R)
• M12: 11,153,718 km (0.118 R)
• M13: 17,544,389 km (0.101 R)
• M14: 20,151,581 km (0.119 R)
• M15: 20,416,968 km (0.074 R)
• M16: 21,593,405 km (0.11 R)
• M17: 23,102,549 km (0.095 R)
• M18: 25,910,650 km (0.098 R)
• M19: 26,966,213 km (0.037 R)
• M20: 30,420,727 km (0.114 R)
• M21: 36,073,283 km (0.07 R)
• M22: 44,148,127 km (0.09 R)
• M23: 46,570,565 km (0.099 R)
• M24: 47,657,693 km (0.11 R)
• M25: 51,678,734 km (0.113 R)
• M26: 54,881,624 km (0.106 R)
• M27: 61,123,745 km (0.108 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 15,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit