🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406

Radius: 13.4

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.05 AU - 1.61 AU

Year: 975 Days

Day: 13.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,362,217 km

• M1: 169,345 km (0.105 R)
• M2: 738,864 km (0.073 R)
• M3: 1,282,652 km (0.106 R)
• M4: 1,715,588 km (0.1 R)
• M5: 2,268,053 km (0.059 R)
• M6: 2,843,257 km (0.109 R)
• M7: 3,501,338 km (0.073 R)
• M8: 4,677,776 km (0.097 R)
• M9: 5,177,433 km (0.101 R)
• M10: 5,712,544 km (0.109 R)
• M11: 7,202,838 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.6

Radius: 14.9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.98 AU - 2.54 AU

Year: 2160 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,362,217 km

• M1: 185,352 km (0.063 R)
• M2: 653,743 km (0.09 R)
• M3: 1,271,432 km (0.113 R)
• M4: 1,818,661 km (0.097 R)
• M5: 2,431,564 km (0.095 R)
• M6: 3,213,213 km (0.099 R)
• M7: 3,969,879 km (0.112 R)
• M8: 4,471,331 km (0.03 R)
• M9: 4,993,427 km (0.095 R)
• M10: 6,111,671 km (0.076 R)
• M11: 6,810,742 km (0.034 R)
• M12: 8,246,433 km (0.068 R)
• M13: 9,233,181 km (0.04 R)
• M14: 11,213,707 km (0.101 R)
• M15: 12,304,126 km (0.074 R)
• M16: 14,027,044 km (0.119 R)
• M17: 15,620,860 km (0.092 R)
• M18: 16,291,208 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.5

Radius: 14.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.18 AU - 2.76 AU

Year: 2468 Days

Day: 8.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,362,217 km

• M1: 180,265 km (0.061 R)
• M2: 804,837 km (0.093 R)
• M3: 1,394,252 km (0.107 R)
• M4: 2,249,354 km (0.099 R)
• M5: 2,967,423 km (0.066 R)
• M6: 3,661,408 km (0.109 R)
• M7: 4,355,692 km (0.071 R)
• M8: 4,961,862 km (0.097 R)
• M9: 7,578,927 km (0.114 R)
• M10: 8,349,207 km (0.072 R)
• M11: 8,996,816 km (0.08 R)
• M12: 9,677,636 km (0.107 R)
• M13: 10,171,458 km (0.1 R)
• M14: 11,043,165 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475

Radius: 14.7

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.56 AU - 3.04 AU

Year: 2979 Days

Day: 9.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,362,217 km

• M1: 182,809 km (0.063 R)
• M2: 752,028 km (0.112 R)
• M3: 1,714,840 km (0.105 R)
• M4: 2,294,532 km (0.089 R)
• M5: 3,509,416 km (0.114 R)
• M6: 5,004,198 km (0.086 R)
• M7: 6,339,509 km (0.118 R)
• M8: 7,295,140 km (0.043 R)
• M9: 8,345,018 km (0.11 R)
• M10: 9,922,976 km (0.06 R)
• M11: 10,478,433 km (0.089 R)
• M12: 11,054,535 km (0.105 R)
• M13: 12,781,044 km (0.063 R)
• M14: 13,708,999 km (0.098 R)
• M15: 15,848,548 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.3

Radius: 7.3

Gravity: 16.76 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.11 AU - 10.19 AU

Year: 16175 Days

Day: 16.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,362,217 km

• M1: 90,806 km (0.094 R)
• M2: 817,104 km (0.086 R)
• M3: 2,115,613 km (0.036 R)
• M4: 3,102,061 km (0.105 R)
• M5: 3,983,343 km (0.115 R)
• M6: 5,468,550 km (0.094 R)
• M7: 6,023,109 km (0.056 R)
• M8: 6,790,547 km (0.113 R)
• M9: 7,151,676 km (0.12 R)
• M10: 7,384,001 km (0.101 R)
• M11: 12,212,871 km (0.061 R)
• M12: 14,225,561 km (0.067 R)
• M13: 17,434,136 km (0.109 R)
• M14: 18,895,408 km (0.047 R)
• M15: 19,161,393 km (0.085 R)
• M16: 19,701,142 km (0.084 R)
• M17: 20,250,914 km (0.102 R)
• M18: 22,752,191 km (0.106 R)
• M19: 23,255,737 km (0.053 R)
• M20: 23,766,763 km (0.099 R)
• M21: 29,891,749 km (0.098 R)
• M22: 30,739,670 km (0.048 R)
• M23: 32,483,532 km (0.115 R)
• M24: 35,355,362 km (0.076 R)
• M25: 36,440,396 km (0.026 R)
• M26: 41,002,832 km (0.078 R)
• M27: 48,372,771 km (0.072 R)
• M28: 49,372,832 km (0.098 R)
• M29: 51,414,095 km (0.12 R)
• M30: 53,157,659 km (0.12 R)
• M31: 56,946,823 km (0.073 R)
• M32: 64,253,931 km (0.062 R)
• M33: 65,057,720 km (0.076 R)
• M34: 65,868,092 km (0.119 R)
• M35: 66,685,196 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.1

Radius: 6

Gravity: 18.25 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.22 AU - 9.6 AU

Year: 18353 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,362,217 km

• M1: 75,996 km (0.093 R)
• M2: 364,570 km (0.062 R)
• M3: 615,894 km (0.072 R)
• M4: 924,664 km (0.093 R)
• M5: 1,180,626 km (0.062 R)
• M6: 1,562,999 km (0.084 R)
• M7: 1,818,961 km (0.111 R)
• M8: 2,083,150 km (0.108 R)
• M9: 3,268,564 km (0.102 R)
• M10: 4,503,943 km (0.1 R)
• M11: 5,585,835 km (0.065 R)
• M12: 6,312,581 km (0.108 R)
• M13: 7,100,663 km (0.088 R)
• M14: 7,903,405 km (0.103 R)
• M15: 10,733,348 km (0.082 R)
• M16: 11,852,191 km (0.075 R)
• M17: 12,707,292 km (0.117 R)
• M18: 13,958,080 km (0.096 R)
• M19: 22,827,737 km (0.085 R)
• M20: 24,774,006 km (0.114 R)
• M21: 38,820,647 km (0.12 R)
• M22: 47,011,879 km (0.102 R)
• M23: 56,831,034 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.6

Radius: 3

Gravity: 44.96 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.5 AU - 11.28 AU

Year: 19776 Days

Day: 16.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 59.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,362,217 km

• M1: 42,336 km (0.095 R)
• M2: 155,133 km (0.111 R)
• M3: 277,654 km (0.114 R)
• M4: 901,776 km (0.11 R)
• M5: 1,283,699 km (0.111 R)
• M6: 1,696,290 km (0.104 R)
• M7: 2,592,681 km (0.113 R)
• M8: 3,594,986 km (0.098 R)
• M9: 4,433,782 km (0.069 R)
• M10: 4,932,840 km (0.108 R)
• M11: 5,394,948 km (0.1 R)
• M12: 7,717,754 km (0.114 R)
• M13: 8,290,116 km (0.105 R)
• M14: 8,838,990 km (0.043 R)
• M15: 9,843,390 km (0.118 R)
• M16: 12,456,715 km (0.102 R)
• M17: 15,423,391 km (0.114 R)
• M18: 16,328,308 km (0.102 R)
• M19: 17,108,760 km (0.069 R)
• M20: 18,078,005 km (0.091 R)
• M21: 21,387,559 km (0.096 R)
• M22: 33,940,615 km (0.117 R)
• M23: 46,047,421 km (0.089 R)
• M24: 49,026,813 km (0.12 R)
• M25: 50,155,977 km (0.058 R)
• M26: 50,808,972 km (0.105 R)
• M27: 52,466,217 km (0.087 R)
• M28: 53,308,304 km (0.104 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: 469 - 16,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit