🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936

Radius: 9.8

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.68 AU - 0.9 AU

Year: 485 Days

Day: 11.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,491,185 km

• M1: 121,922 km (0.115 R)
• M2: 476,768 km (0.107 R)
• M3: 861,833 km (0.058 R)
• M4: 1,585,588 km (0.075 R)
• M5: 2,598,515 km (0.112 R)
• M6: 2,972,061 km (0.081 R)
• M7: 3,432,224 km (0.076 R)
• M8: 4,389,351 km (0.118 R)
• M9: 6,308,243 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 13.1

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.66 AU - 1.68 AU

Year: 1490 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,491,185 km

• M1: 163,510 km (0.096 R)
• M2: 572,511 km (0.038 R)
• M3: 1,053,767 km (0.099 R)
• M4: 2,119,951 km (0.066 R)
• M5: 3,047,757 km (0.111 R)
• M6: 3,554,745 km (0.06 R)
• M7: 4,249,028 km (0.067 R)
• M8: 5,629,069 km (0.042 R)
• M9: 6,447,818 km (0.097 R)
• M10: 7,371,884 km (0.117 R)
• M11: 8,595,295 km (0.049 R)
• M12: 9,949,904 km (0.118 R)
• M13: 10,361,897 km (0.065 R)
• M14: 11,405,042 km (0.043 R)
• M15: 12,048,313 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.8

Radius: 9.7

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.59 AU - 2.17 AU

Year: 1779 Days

Day: 15 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,491,185 km

• M1: 120,576 km (0.036 R)
• M2: 620,233 km (0.115 R)
• M3: 991,983 km (0.062 R)
• M4: 1,382,284 km (0.118 R)
• M5: 1,874,461 km (0.085 R)
• M6: 2,584,602 km (0.119 R)
• M7: 2,915,214 km (0.088 R)
• M8: 3,336,781 km (0.11 R)
• M9: 3,730,223 km (0.073 R)
• M10: 4,117,831 km (0.117 R)
• M11: 4,871,655 km (0.069 R)
• M12: 6,016,228 km (0.029 R)
• M13: 6,830,340 km (0.108 R)
• M14: 7,412,724 km (0.084 R)
• M15: 7,716,109 km (0.073 R)
• M16: 8,586,170 km (0.099 R)
• M17: 9,682,273 km (0.087 R)
• M18: 12,341,226 km (0.104 R)
• M19: 13,488,642 km (0.095 R)
• M20: 13,817,458 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.6

Radius: 9.5

Gravity: 8.67 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.61 AU - 4.67 AU

Year: 5814 Days

Day: 5.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,491,185 km

• M1: 118,182 km (0.079 R)
• M2: 459,116 km (0.093 R)
• M3: 780,302 km (0.107 R)
• M4: 1,154,596 km (0.089 R)
• M5: 1,727,855 km (0.09 R)
• M6: 2,150,320 km (0.108 R)
• M7: 3,330,797 km (0.1 R)
• M8: 3,823,123 km (0.058 R)
• M9: 4,678,973 km (0.05 R)
• M10: 5,843,442 km (0.118 R)
• M11: 6,392,915 km (0.058 R)
• M12: 6,732,054 km (0.091 R)
• M13: 7,154,817 km (0.105 R)
• M14: 7,557,834 km (0.056 R)
• M15: 7,898,768 km (0.102 R)
• M16: 8,329,609 km (0.084 R)
• M17: 11,202,637 km (0.107 R)
• M18: 11,596,677 km (0.056 R)
• M19: 12,308,614 km (0.058 R)
• M20: 13,049,273 km (0.119 R)
• M21: 13,652,002 km (0.12 R)
• M22: 15,815,936 km (0.105 R)
• M23: 17,076,148 km (0.059 R)
• M24: 17,598,694 km (0.083 R)
• M25: 18,131,711 km (0.114 R)
• M26: 22,092,314 km (0.096 R)
• M27: 24,151,230 km (0.041 R)
• M28: 24,976,113 km (0.083 R)
• M29: 27,120,299 km (0.092 R)
• M30: 31,090,776 km (0.11 R)
• M31: 34,803,645 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.6

Radius: 8.8

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 4.07 AU - 4.63 AU

Year: 6262 Days

Day: 14.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,491,185 km

• M1: 110,702 km (0.078 R)
• M2: 400,623 km (0.033 R)
• M3: 791,971 km (0.095 R)
• M4: 1,286,542 km (0.069 R)
• M5: 1,722,619 km (0.053 R)
• M6: 2,143,438 km (0.099 R)
• M7: 2,455,499 km (0.112 R)
• M8: 4,193,228 km (0.119 R)
• M9: 4,738,812 km (0.111 R)
• M10: 5,043,094 km (0.092 R)
• M11: 5,330,920 km (0.106 R)
• M12: 6,628,382 km (0.09 R)
• M13: 8,046,720 km (0.119 R)
• M14: 10,012,585 km (0.051 R)
• M15: 11,374,076 km (0.107 R)
• M16: 13,669,356 km (0.077 R)
• M17: 15,947,731 km (0.033 R)
• M18: 18,197,983 km (0.114 R)
• M19: 18,740,724 km (0.117 R)
• M20: 21,919,978 km (0.117 R)
• M21: 23,160,144 km (0.086 R)
• M22: 23,477,291 km (0.109 R)
• M23: 24,940,807 km (0.07 R)
• M24: 28,499,591 km (0.062 R)
• M25: 34,399,731 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.3

Radius: 10.6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.82 AU - 5.5 AU

Year: 8091 Days

Day: 6.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,491,185 km

• M1: 131,796 km (0.114 R)
• M2: 560,394 km (0.096 R)
• M3: 1,395,748 km (0.094 R)
• M4: 1,958,236 km (0.113 R)
• M5: 2,648,929 km (0.084 R)
• M6: 3,121,060 km (0.06 R)
• M7: 5,448,205 km (0.118 R)
• M8: 6,541,765 km (0.112 R)
• M9: 10,063,898 km (0.103 R)
• M10: 19,426,331 km (0.094 R)
• M11: 23,177,348 km (0.047 R)
• M12: 29,439,664 km (0.064 R)
• M13: 32,759,989 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.9

Radius: 5.7

Gravity: 19.97 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 8.55 AU - 10.51 AU

Year: 20307 Days

Day: 20.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,491,185 km

• M1: 96,790 km (0.108 R)
• M2: 346,319 km (0.115 R)
• M3: 613,052 km (0.098 R)
• M4: 918,531 km (0.06 R)
• M5: 1,673,851 km (0.04 R)
• M6: 1,910,365 km (0.105 R)
• M7: 2,168,870 km (0.104 R)
• M8: 2,855,823 km (0.059 R)
• M9: 3,035,191 km (0.06 R)
• M10: 3,799,038 km (0.09 R)
• M11: 4,476,267 km (0.051 R)
• M12: 5,043,991 km (0.085 R)
• M13: 5,579,253 km (0.106 R)
• M14: 6,716,944 km (0.091 R)
• M15: 6,897,808 km (0.094 R)
• M16: 8,001,691 km (0.098 R)
• M17: 8,411,739 km (0.087 R)
• M18: 9,442,019 km (0.113 R)
• M19: 12,482,596 km (0.033 R)
• M20: 15,639,560 km (0.09 R)
• M21: 16,199,355 km (0.108 R)
• M22: 16,855,342 km (0.095 R)
• M23: 17,189,843 km (0.053 R)
• M24: 22,653,157 km (0.101 R)
• M25: 22,958,336 km (0.065 R)
• M26: 24,100,666 km (0.115 R)
• M27: 31,131,317 km (0.111 R)
• M28: 31,382,492 km (0.09 R)
• M29: 34,906,718 km (0.108 R)
• M30: 35,861,751 km (0.069 R)
• M31: 43,195,188 km (0.059 R)
• M32: 54,140,965 km (0.12 R)
• M33: 69,118,106 km (0.077 R)
• M34: 73,695,501 km (0.111 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: 215 - 13,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit