🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.6

Radius: 9.3

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.63 AU - 0.99 AU

Year: 503 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,347,734 km

• M1: 115,639 km (0.084 R)
• M2: 543,788 km (0.09 R)
• M3: 881,879 km (0.076 R)
• M4: 1,317,359 km (0.115 R)
• M5: 1,691,802 km (0.104 R)
• M6: 2,173,657 km (0.047 R)
• M7: 2,585,500 km (0.115 R)
• M8: 2,967,872 km (0.117 R)
• M9: 3,387,943 km (0.056 R)
• M10: 4,214,920 km (0.102 R)
• M11: 5,204,360 km (0.116 R)
• M12: 5,963,869 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.6

Radius: 12.1

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.92 AU - 1.04 AU

Year: 670 Days

Day: 9.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,347,734 km

• M1: 151,692 km (0.074 R)
• M2: 546,631 km (0.115 R)
• M3: 1,012,030 km (0.084 R)
• M4: 1,682,976 km (0.097 R)
• M5: 2,778,332 km (0.089 R)
• M6: 3,168,333 km (0.044 R)
• M7: 4,164,206 km (0.054 R)
• M8: 5,759,518 km (0.112 R)
• M9: 6,141,890 km (0.039 R)
• M10: 6,561,512 km (0.111 R)
• M11: 6,979,040 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.2

Radius: 11.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.1 AU - 1.26 AU

Year: 885 Days

Day: 10.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,347,734 km

• M1: 141,819 km (0.027 R)
• M2: 569,220 km (0.101 R)
• M3: 991,385 km (0.083 R)
• M4: 1,402,929 km (0.087 R)
• M5: 1,824,645 km (0.066 R)
• M6: 2,290,643 km (0.054 R)
• M7: 2,823,959 km (0.119 R)
• M8: 3,267,367 km (0.061 R)
• M9: 3,857,979 km (0.077 R)
• M10: 4,217,912 km (0.055 R)
• M11: 4,783,242 km (0.05 R)
• M12: 5,181,921 km (0.087 R)
• M13: 5,659,287 km (0.05 R)
• M14: 6,226,263 km (0.093 R)
• M15: 6,596,967 km (0.096 R)
• M16: 7,382,954 km (0.118 R)
• M17: 7,940,954 km (0.103 R)
• M18: 8,377,780 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.4

Radius: 10

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.02 AU - 1.66 AU

Year: 1071 Days

Day: 9.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,347,734 km

• M1: 124,316 km (0.032 R)
• M2: 503,696 km (0.071 R)
• M3: 859,141 km (0.059 R)
• M4: 1,241,812 km (0.043 R)
• M5: 1,679,984 km (0.097 R)
• M6: 2,130,573 km (0.071 R)
• M7: 2,570,391 km (0.105 R)
• M8: 2,896,664 km (0.11 R)
• M9: 3,290,256 km (0.105 R)
• M10: 3,806,817 km (0.083 R)
• M11: 4,328,614 km (0.089 R)
• M12: 5,515,225 km (0.108 R)
• M13: 5,962,074 km (0.108 R)
• M14: 6,862,503 km (0.117 R)
• M15: 8,242,095 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.4

Radius: 10.4

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.43 AU - 2.07 AU

Year: 1598 Days

Day: 12.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,347,734 km

• M1: 130,300 km (0.085 R)
• M2: 489,783 km (0.082 R)
• M3: 865,872 km (0.072 R)
• M4: 1,300,005 km (0.109 R)
• M5: 2,029,594 km (0.036 R)
• M6: 2,499,032 km (0.098 R)
• M7: 2,864,650 km (0.097 R)
• M8: 3,518,542 km (0.095 R)
• M9: 4,046,922 km (0.101 R)
• M10: 5,005,844 km (0.109 R)
• M11: 5,466,456 km (0.114 R)
• M12: 6,335,021 km (0.056 R)
• M13: 9,375,747 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.8

Radius: 10.8

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.64 AU - 2.18 AU

Year: 1822 Days

Day: 13.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,347,734 km

• M1: 137,032 km (0.118 R)
• M2: 607,068 km (0.079 R)
• M3: 1,367,773 km (0.112 R)
• M4: 2,049,790 km (0.029 R)
• M5: 2,682,290 km (0.103 R)
• M6: 3,390,636 km (0.114 R)
• M7: 3,753,411 km (0.112 R)
• M8: 4,456,371 km (0.107 R)
• M9: 5,001,206 km (0.1 R)
• M10: 5,543,200 km (0.055 R)
• M11: 6,049,139 km (0.07 R)
• M12: 8,575,698 km (0.103 R)
• M13: 9,862,988 km (0.051 R)
• M14: 10,355,165 km (0.089 R)
• M15: 10,790,046 km (0.119 R)
• M16: 11,388,886 km (0.115 R)
• M17: 15,740,538 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 12.9

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.57 AU - 2.57 AU

Year: 2056 Days

Day: 7.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,347,734 km

• M1: 160,519 km (0.092 R)
• M2: 592,707 km (0.069 R)
• M3: 1,361,341 km (0.041 R)
• M4: 1,847,982 km (0.119 R)
• M5: 2,581,461 km (0.099 R)
• M6: 3,137,217 km (0.106 R)
• M7: 4,092,998 km (0.08 R)
• M8: 4,530,272 km (0.111 R)
• M9: 5,844,340 km (0.055 R)
• M10: 6,577,519 km (0.094 R)
• M11: 9,212,985 km (0.095 R)
• M12: 10,344,693 km (0.103 R)
• M13: 12,683,805 km (0.112 R)
• M14: 13,125,717 km (0.11 R)
• M15: 14,083,144 km (0.083 R)
• M16: 14,513,836 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.3

Radius: 13.1

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.15 AU - 5.47 AU

Year: 7282 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,347,734 km

• M1: 162,912 km (0.026 R)
• M2: 626,965 km (0.098 R)
• M3: 1,083,687 km (0.114 R)
• M4: 1,687,763 km (0.083 R)
• M5: 2,215,694 km (0.09 R)
• M6: 3,801,581 km (0.102 R)
• M7: 4,230,777 km (0.106 R)
• M8: 5,157,536 km (0.059 R)
• M9: 8,889,255 km (0.109 R)
• M10: 10,799,769 km (0.052 R)
• M11: 14,069,381 km (0.111 R)
• M12: 14,733,445 km (0.118 R)
• M13: 16,320,529 km (0.032 R)
• M14: 18,372,115 km (0.104 R)
• M15: 18,874,614 km (0.11 R)
• M16: 20,667,395 km (0.108 R)
• M17: 22,899,395 km (0.062 R)
• M18: 23,314,230 km (0.068 R)
• M19: 24,589,252 km (0.093 R)
• M20: 25,287,874 km (0.097 R)
• M21: 27,838,069 km (0.096 R)
• M22: 29,565,177 km (0.094 R)
• M23: 32,184,785 km (0.103 R)
• M24: 35,505,858 km (0.098 R)
• M25: 39,761,169 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93.1

Radius: 6.8

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.35 AU - 6.41 AU

Year: 9842 Days

Day: 21.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,347,734 km

• M1: 112,647 km (0.115 R)
• M2: 1,022,801 km (0.12 R)
• M3: 1,593,517 km (0.074 R)
• M4: 5,903,880 km (0.116 R)
• M5: 7,007,164 km (0.109 R)
• M6: 7,624,405 km (0.068 R)
• M7: 8,454,972 km (0.108 R)
• M8: 12,019,740 km (0.087 R)
• M9: 16,251,864 km (0.102 R)
• M10: 18,821,656 km (0.117 R)
• M11: 19,756,344 km (0.07 R)
• M12: 23,448,569 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.3

Radius: 6.5

Gravity: 18.28 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.83 AU - 8.93 AU

Year: 16745 Days

Day: 24.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,347,734 km

• M1: 90,656 km (0.12 R)
• M2: 295,007 km (0.049 R)
• M3: 518,506 km (0.083 R)
• M4: 935,735 km (0.074 R)
• M5: 1,448,556 km (0.094 R)
• M6: 1,724,564 km (0.097 R)
• M7: 3,251,211 km (0.106 R)
• M8: 4,477,464 km (0.079 R)
• M9: 6,526,656 km (0.073 R)
• M10: 7,010,007 km (0.098 R)
• M11: 8,551,762 km (0.108 R)
• M12: 10,542,012 km (0.1 R)
• M13: 10,840,759 km (0.099 R)
• M14: 12,620,226 km (0.075 R)
• M15: 14,148,368 km (0.119 R)
• M16: 14,659,395 km (0.096 R)
• M17: 14,882,146 km (0.083 R)
• M18: 18,587,386 km (0.069 R)
• M19: 18,935,949 km (0.087 R)
• M20: 30,441,820 km (0.102 R)
• M21: 33,812,410 km (0.088 R)
• M22: 35,387,077 km (0.076 R)
• M23: 36,736,300 km (0.105 R)
• M24: 37,562,081 km (0.077 R)
• M25: 38,682,120 km (0.082 R)
• M26: 42,026,530 km (0.04 R)
• M27: 42,929,652 km (0.12 R)
• M28: 45,558,536 km (0.109 R)
• M29: 47,154,146 km (0.104 R)
• M30: 60,325,940 km (0.084 R)
• M31: 61,860,814 km (0.032 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 14,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit