🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.5

Radius: 10.5

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.61 AU - 0.81 AU

Year: 399 Days

Day: 12.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,582,847 km

• M1: 130,599 km (0.094 R)
• M2: 468,840 km (0.116 R)
• M3: 862,881 km (0.064 R)
• M4: 1,238,670 km (0.115 R)
• M5: 1,573,919 km (0.027 R)
• M6: 1,978,731 km (0.068 R)
• M7: 2,380,701 km (0.059 R)
• M8: 2,727,468 km (0.119 R)
• M9: 3,140,658 km (0.12 R)
• M10: 3,548,013 km (0.104 R)
• M11: 4,198,913 km (0.074 R)
• M12: 4,652,195 km (0.085 R)
• M13: 5,017,064 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.5

Radius: 13.6

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.77 AU - 0.79 AU

Year: 459 Days

Day: 12.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,582,847 km

• M1: 169,345 km (0.099 R)
• M2: 665,411 km (0.084 R)
• M3: 1,140,833 km (0.077 R)
• M4: 1,623,137 km (0.065 R)
• M5: 2,409,274 km (0.066 R)
• M6: 2,881,405 km (0.045 R)
• M7: 3,470,371 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.4

Radius: 11.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1 AU - 1.02 AU

Year: 677 Days

Day: 13.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,582,847 km

• M1: 146,756 km (0.089 R)
• M2: 551,418 km (0.107 R)
• M3: 1,047,783 km (0.074 R)
• M4: 1,416,093 km (0.115 R)
• M5: 1,807,741 km (0.066 R)
• M6: 2,197,742 km (0.037 R)
• M7: 3,163,397 km (0.097 R)
• M8: 3,914,527 km (0.062 R)
• M9: 4,717,270 km (0.108 R)
• M10: 5,242,957 km (0.093 R)
• M11: 7,142,102 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.2

Radius: 14.2

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.03 AU - 1.29 AU

Year: 833 Days

Day: 11.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,582,847 km

• M1: 176,974 km (0.117 R)
• M2: 628,610 km (0.114 R)
• M3: 1,277,117 km (0.07 R)
• M4: 1,931,907 km (0.105 R)
• M5: 2,382,196 km (0.068 R)
• M6: 3,016,940 km (0.118 R)
• M7: 3,543,974 km (0.115 R)
• M8: 4,196,519 km (0.075 R)
• M9: 4,946,304 km (0.099 R)
• M10: 6,871,479 km (0.113 R)
• M11: 8,192,428 km (0.1 R)
• M12: 9,255,171 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.6

Radius: 10.7

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.24 AU - 3.06 AU

Year: 2877 Days

Day: 14.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,582,847 km

• M1: 133,441 km (0.039 R)
• M2: 472,729 km (0.092 R)
• M3: 1,033,572 km (0.105 R)
• M4: 1,422,676 km (0.113 R)
• M5: 1,813,874 km (0.079 R)
• M6: 2,221,678 km (0.114 R)
• M7: 3,190,025 km (0.036 R)
• M8: 3,710,775 km (0.076 R)
• M9: 4,117,083 km (0.112 R)
• M10: 4,947,351 km (0.107 R)
• M11: 5,752,487 km (0.117 R)
• M12: 6,555,379 km (0.118 R)
• M13: 7,029,454 km (0.107 R)
• M14: 8,590,508 km (0.042 R)
• M15: 9,014,468 km (0.109 R)
• M16: 11,098,068 km (0.11 R)
• M17: 12,208,084 km (0.075 R)
• M18: 12,609,006 km (0.119 R)
• M19: 14,301,706 km (0.084 R)
• M20: 14,847,888 km (0.066 R)
• M21: 16,733,120 km (0.119 R)
• M22: 18,363,887 km (0.037 R)
• M23: 20,221,593 km (0.084 R)
• M24: 21,100,331 km (0.108 R)
• M25: 21,613,751 km (0.04 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622

Radius: 12.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.27 AU - 3.09 AU

Year: 2926 Days

Day: 14.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,582,847 km

• M1: 160,519 km (0.053 R)
• M2: 896,390 km (0.086 R)
• M3: 2,084,796 km (0.113 R)
• M4: 2,821,117 km (0.119 R)
• M5: 3,998,751 km (0.076 R)
• M6: 5,235,327 km (0.12 R)
• M7: 7,181,595 km (0.074 R)
• M8: 7,958,756 km (0.114 R)
• M9: 10,015,727 km (0.082 R)
• M10: 10,986,318 km (0.068 R)
• M11: 12,492,918 km (0.052 R)
• M12: 13,341,587 km (0.068 R)
• M13: 16,538,045 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.2

Radius: 8.5

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.38 AU - 3.42 AU

Year: 3293 Days

Day: 9.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,582,847 km

• M1: 105,766 km (0.092 R)
• M2: 374,892 km (0.091 R)
• M3: 821,442 km (0.084 R)
• M4: 1,978,881 km (0.114 R)
• M5: 2,315,925 km (0.104 R)
• M6: 2,918,505 km (0.047 R)
• M7: 3,394,226 km (0.073 R)
• M8: 3,879,970 km (0.065 R)
• M9: 4,478,212 km (0.082 R)
• M10: 5,136,592 km (0.115 R)
• M11: 5,592,866 km (0.088 R)
• M12: 6,048,392 km (0.069 R)
• M13: 7,033,793 km (0.069 R)
• M14: 7,629,192 km (0.111 R)
• M15: 8,088,906 km (0.076 R)
• M16: 8,428,643 km (0.083 R)
• M17: 10,590,183 km (0.086 R)
• M18: 10,914,810 km (0.092 R)
• M19: 11,204,432 km (0.06 R)
• M20: 11,498,990 km (0.084 R)
• M21: 13,424,015 km (0.114 R)
• M22: 14,094,663 km (0.074 R)
• M23: 14,737,185 km (0.034 R)
• M24: 15,295,933 km (0.109 R)
• M25: 15,658,858 km (0.108 R)
• M26: 18,772,139 km (0.052 R)
• M27: 19,068,792 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.2

Radius: 7.3

Gravity: 17.1 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.1 AU - 7.8 AU

Year: 13560 Days

Day: 23.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 124.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 64,582,847 km

• M1: 109,356 km (0.108 R)
• M2: 505,790 km (0.073 R)
• M3: 917,185 km (0.099 R)
• M4: 1,304,643 km (0.038 R)
• M5: 1,814,772 km (0.082 R)
• M6: 2,204,025 km (0.066 R)
• M7: 3,226,826 km (0.076 R)
• M8: 3,975,563 km (0.068 R)
• M9: 4,311,859 km (0.113 R)
• M10: 4,700,215 km (0.082 R)
• M11: 5,362,784 km (0.049 R)
• M12: 8,746,688 km (0.08 R)
• M13: 9,746,600 km (0.115 R)
• M14: 10,359,204 km (0.089 R)
• M15: 11,175,709 km (0.11 R)
• M16: 11,661,004 km (0.098 R)
• M17: 12,739,156 km (0.08 R)
• M18: 13,336,052 km (0.066 R)
• M19: 13,607,273 km (0.12 R)
• M20: 16,063,670 km (0.095 R)
• M21: 17,235,919 km (0.032 R)
• M22: 21,461,759 km (0.098 R)
• M23: 22,785,252 km (0.06 R)
• M24: 23,270,846 km (0.099 R)
• M25: 26,543,599 km (0.08 R)
• M26: 30,460,819 km (0.082 R)
• M27: 32,740,691 km (0.086 R)
• M28: 33,985,046 km (0.115 R)
• M29: 34,237,717 km (0.046 R)
• M30: 35,131,863 km (0.106 R)
• M31: 35,910,520 km (0.105 R)
• M32: 40,258,732 km (0.092 R)
• M33: 42,412,792 km (0.097 R)
• M34: 43,890,669 km (0.078 R)
• M35: 44,491,304 km (0.079 R)
• M36: 45,555,693 km (0.04 R)
• M37: 49,983,192 km (0.108 R)
• M38: 51,798,263 km (0.101 R)
• M39: 52,469,060 km (0.05 R)
• M40: 55,210,291 km (0.09 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 13,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit