🌌 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: 759.8

Radius: 9.5

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.53 AU - 0.61 AU

Year: 292 Days

Day: 12.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,260,521 km

• M1: 118,182 km (0.06 R)
• M2: 441,164 km (0.106 R)
• M3: 808,576 km (0.107 R)
• M4: 1,174,343 km (0.079 R)
• M5: 1,541,008 km (0.031 R)
• M6: 1,999,076 km (0.098 R)
• M7: 2,336,270 km (0.089 R)
• M8: 2,730,610 km (0.112 R)
• M9: 3,539,635 km (0.097 R)
• M10: 3,951,179 km (0.092 R)
• M11: 4,487,039 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.1

Radius: 14.4

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.47 AU - 0.71 AU

Year: 307 Days

Day: 14.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 32,260,521 km

• M1: 179,218 km (0.098 R)
• M2: 743,352 km (0.103 R)
• M3: 1,225,057 km (0.072 R)
• M4: 1,674,599 km (0.089 R)
• M5: 2,146,430 km (0.083 R)
• M6: 2,734,799 km (0.027 R)
• M7: 3,557,138 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.4

Radius: 11.3

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.69 AU - 0.93 AU

Year: 494 Days

Day: 9.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 32,260,521 km

• M1: 140,622 km (0.11 R)
• M2: 517,010 km (0.078 R)
• M3: 1,368,521 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.3

Radius: 12.3

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.01 AU - 1.19 AU

Year: 782 Days

Day: 11.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,260,521 km

• M1: 153,338 km (0.11 R)
• M2: 610,210 km (0.092 R)
• M3: 1,050,476 km (0.089 R)
• M4: 1,586,186 km (0.105 R)
• M5: 2,158,548 km (0.112 R)
• M6: 2,769,805 km (0.072 R)
• M7: 4,196,071 km (0.063 R)
• M8: 4,990,136 km (0.111 R)
• M9: 5,567,135 km (0.033 R)
• M10: 7,356,774 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.2

Radius: 12.1

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.15 AU - 1.41 AU

Year: 982 Days

Day: 14.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,260,521 km

• M1: 150,495 km (0.069 R)
• M2: 635,043 km (0.112 R)
• M3: 1,089,521 km (0.107 R)
• M4: 1,598,453 km (0.113 R)
• M5: 2,264,613 km (0.109 R)
• M6: 2,944,385 km (0.096 R)
• M7: 3,582,869 km (0.069 R)
• M8: 4,409,547 km (0.067 R)
• M9: 5,265,995 km (0.091 R)
• M10: 5,665,720 km (0.118 R)
• M11: 6,147,425 km (0.096 R)
• M12: 7,101,710 km (0.081 R)
• M13: 7,929,435 km (0.029 R)
• M14: 8,741,452 km (0.115 R)
• M15: 9,140,729 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.2

Radius: 9.3

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.88 AU - 4.34 AU

Year: 4652 Days

Day: 9.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,260,521 km

• M1: 115,639 km (0.087 R)
• M2: 445,353 km (0.096 R)
• M3: 766,390 km (0.038 R)
• M4: 1,079,349 km (0.109 R)
• M5: 1,391,859 km (0.101 R)
• M6: 1,949,709 km (0.092 R)
• M7: 3,448,530 km (0.103 R)
• M8: 3,783,629 km (0.091 R)
• M9: 5,458,826 km (0.107 R)
• M10: 6,491,351 km (0.097 R)
• M11: 6,841,410 km (0.076 R)
• M12: 7,203,885 km (0.086 R)
• M13: 8,112,244 km (0.055 R)
• M14: 8,481,302 km (0.108 R)
• M15: 8,784,537 km (0.076 R)
• M16: 9,173,790 km (0.047 R)
• M17: 10,368,180 km (0.099 R)
• M18: 12,913,139 km (0.105 R)
• M19: 13,725,455 km (0.025 R)
• M20: 14,517,576 km (0.12 R)
• M21: 14,842,802 km (0.11 R)
• M22: 15,172,964 km (0.081 R)
• M23: 19,135,213 km (0.045 R)
• M24: 24,570,852 km (0.083 R)
• M25: 25,188,541 km (0.092 R)
• M26: 25,895,990 km (0.093 R)
• M27: 26,535,670 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.9

Radius: 10.5

Gravity: 7.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.93 AU - 4.59 AU

Year: 4945 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,260,521 km

• M1: 130,599 km (0.088 R)
• M2: 1,683,275 km (0.087 R)
• M3: 2,677,353 km (0.073 R)
• M4: 3,303,719 km (0.109 R)
• M5: 3,684,895 km (0.102 R)
• M6: 4,638,880 km (0.054 R)
• M7: 8,845,423 km (0.037 R)
• M8: 9,458,924 km (0.043 R)
• M9: 10,276,626 km (0.105 R)
• M10: 11,614,479 km (0.103 R)
• M11: 12,450,732 km (0.034 R)
• M12: 14,353,916 km (0.103 R)
• M13: 17,816,209 km (0.107 R)
• M14: 20,788,120 km (0.038 R)
• M15: 23,070,535 km (0.106 R)
• M16: 23,919,204 km (0.078 R)
• M17: 24,390,736 km (0.112 R)
• M18: 24,948,736 km (0.086 R)
• M19: 28,127,541 km (0.029 R)
• M20: 29,814,108 km (0.102 R)
• M21: 30,635,998 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.6

Radius: 8.8

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.58 AU - 5.44 AU

Year: 7606 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,260,521 km

• M1: 125,812 km (0.114 R)
• M2: 458,517 km (0.107 R)
• M3: 924,814 km (0.076 R)
• M4: 1,404,275 km (0.098 R)
• M5: 2,340,010 km (0.062 R)
• M6: 2,921,796 km (0.119 R)
• M7: 3,909,142 km (0.107 R)
• M8: 4,644,415 km (0.096 R)
• M9: 9,899,938 km (0.086 R)
• M10: 11,058,275 km (0.11 R)
• M11: 13,584,235 km (0.109 R)
• M12: 14,226,608 km (0.113 R)
• M13: 15,953,416 km (0.098 R)
• M14: 18,514,532 km (0.112 R)
• M15: 23,426,877 km (0.091 R)
• M16: 25,737,117 km (0.06 R)
• M17: 30,904,975 km (0.065 R)
• M18: 32,632,382 km (0.093 R)
• M19: 38,545,537 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.8

Radius: 12.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.08 AU - 5.64 AU

Year: 8417 Days

Day: 7.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 32,260,521 km

• M1: 157,975 km (0.115 R)
• M2: 618,587 km (0.072 R)
• M3: 1,239,718 km (0.102 R)
• M4: 2,047,696 km (0.115 R)
• M5: 3,262,281 km (0.112 R)
• M6: 4,724,151 km (0.109 R)
• M7: 5,156,938 km (0.113 R)
• M8: 6,009,795 km (0.064 R)
• M9: 6,684,332 km (0.097 R)
• M10: 9,387,266 km (0.085 R)
• M11: 10,658,100 km (0.105 R)
• M12: 11,169,127 km (0.088 R)
• M13: 13,009,031 km (0.087 R)
• M14: 14,586,540 km (0.08 R)
• M15: 15,043,412 km (0.08 R)
• M16: 15,687,132 km (0.098 R)
• M17: 17,155,435 km (0.111 R)
• M18: 18,053,321 km (0.077 R)
• M19: 19,872,880 km (0.066 R)
• M20: 21,007,281 km (0.095 R)
• M21: 21,886,168 km (0.095 R)
• M22: 22,942,180 km (0.096 R)
• M23: 26,063,240 km (0.109 R)
• M24: 28,827,360 km (0.065 R)
• M25: 31,591,031 km (0.072 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: 299 - 13,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit