🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.2

Radius: 8.6

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1 AU - 1.28 AU

Year: 786 Days

Day: 13.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,519,032 km

• M1: 106,962 km (0.1 R)
• M2: 476,020 km (0.091 R)
• M3: 764,744 km (0.093 R)
• M4: 1,144,573 km (0.115 R)
• M5: 1,482,216 km (0.108 R)
• M6: 2,054,727 km (0.116 R)
• M7: 3,206,182 km (0.093 R)
• M8: 3,649,440 km (0.082 R)
• M9: 4,500,054 km (0.102 R)
• M10: 5,073,761 km (0.112 R)
• M11: 5,476,778 km (0.113 R)
• M12: 6,015,181 km (0.117 R)
• M13: 7,372,333 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.4

Radius: 11.7

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.95 AU - 1.49 AU

Year: 870 Days

Day: 11.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,519,032 km

• M1: 145,858 km (0.097 R)
• M2: 578,944 km (0.081 R)
• M3: 948,899 km (0.044 R)
• M4: 1,339,350 km (0.117 R)
• M5: 2,272,990 km (0.116 R)
• M6: 2,688,124 km (0.115 R)
• M7: 3,494,307 km (0.111 R)
• M8: 4,100,478 km (0.03 R)
• M9: 4,613,449 km (0.062 R)
• M10: 5,383,728 km (0.1 R)
• M11: 6,150,716 km (0.037 R)
• M12: 6,549,395 km (0.102 R)
• M13: 7,012,849 km (0.113 R)
• M14: 8,644,513 km (0.082 R)
• M15: 9,032,869 km (0.061 R)
• M16: 10,485,016 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.1

Radius: 9.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.18 AU - 1.54 AU

Year: 1024 Days

Day: 5.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,519,032 km

• M1: 123,269 km (0.116 R)
• M2: 562,338 km (0.075 R)
• M3: 1,250,788 km (0.072 R)
• M4: 1,575,565 km (0.045 R)
• M5: 2,493,049 km (0.115 R)
• M6: 3,148,437 km (0.104 R)
• M7: 3,583,617 km (0.089 R)
• M8: 4,449,938 km (0.094 R)
• M9: 4,817,051 km (0.099 R)
• M10: 5,256,271 km (0.113 R)
• M11: 5,814,869 km (0.077 R)
• M12: 6,372,720 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 9.1

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.73 AU - 2.17 AU

Year: 1758 Days

Day: 14.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,519,032 km

• M1: 113,246 km (0.071 R)
• M2: 400,623 km (0.077 R)
• M3: 791,223 km (0.091 R)
• M4: 1,146,368 km (0.088 R)
• M5: 1,433,447 km (0.114 R)
• M6: 1,778,569 km (0.116 R)
• M7: 2,322,058 km (0.079 R)
• M8: 2,866,894 km (0.106 R)
• M9: 3,333,340 km (0.094 R)
• M10: 3,802,179 km (0.038 R)
• M11: 5,004,049 km (0.102 R)
• M12: 5,702,671 km (0.093 R)
• M13: 6,977,843 km (0.043 R)
• M14: 7,953,520 km (0.045 R)
• M15: 8,433,430 km (0.115 R)
• M16: 9,510,086 km (0.085 R)
• M17: 9,808,085 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 12.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 5.15 AU - 5.61 AU

Year: 8057 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,519,032 km

• M1: 161,267 km (0.04 R)
• M2: 639,830 km (0.088 R)
• M3: 1,441,375 km (0.098 R)
• M4: 1,963,173 km (0.106 R)
• M5: 2,572,784 km (0.108 R)
• M6: 3,218,598 km (0.084 R)
• M7: 3,771,961 km (0.115 R)
• M8: 6,023,259 km (0.105 R)
• M9: 12,652,988 km (0.097 R)
• M10: 13,623,728 km (0.109 R)
• M11: 19,090,184 km (0.116 R)
• M12: 20,137,369 km (0.045 R)
• M13: 21,222,552 km (0.094 R)
• M14: 22,923,031 km (0.059 R)
• M15: 23,678,949 km (0.104 R)
• M16: 24,800,036 km (0.108 R)
• M17: 28,184,688 km (0.097 R)
• M18: 34,091,859 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.9

Radius: 5.8

Gravity: 14.56 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.75 AU - 8.09 AU

Year: 14391 Days

Day: 18.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,519,032 km

• M1: 72,705 km (0.091 R)
• M2: 263,741 km (0.08 R)
• M3: 577,448 km (0.115 R)
• M4: 874,549 km (0.113 R)
• M5: 1,170,155 km (0.112 R)
• M6: 1,928,017 km (0.063 R)
• M7: 2,972,809 km (0.111 R)
• M8: 3,409,635 km (0.086 R)
• M9: 3,670,234 km (0.105 R)
• M10: 4,532,815 km (0.08 R)
• M11: 4,945,855 km (0.107 R)
• M12: 6,220,728 km (0.12 R)
• M13: 6,690,466 km (0.106 R)
• M14: 9,861,940 km (0.063 R)
• M15: 10,391,966 km (0.113 R)
• M16: 10,718,837 km (0.073 R)
• M17: 12,703,103 km (0.116 R)
• M18: 13,716,629 km (0.1 R)
• M19: 21,387,110 km (0.097 R)
• M20: 23,743,426 km (0.115 R)
• M21: 30,490,290 km (0.113 R)
• M22: 37,385,256 km (0.065 R)
• M23: 37,767,778 km (0.035 R)
• M24: 38,800,452 km (0.11 R)
• M25: 39,192,548 km (0.115 R)
• M26: 39,984,519 km (0.08 R)
• M27: 42,148,901 km (0.094 R)
• M28: 45,976,063 km (0.114 R)
• M29: 47,153,099 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.9

Radius: 3.7

Gravity: 54.12 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.54 AU - 10.26 AU

Year: 15719 Days

Day: 19.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,519,032 km

• M1: 47,423 km (0.053 R)
• M2: 265,835 km (0.052 R)
• M3: 487,689 km (0.106 R)
• M4: 2,348,986 km (0.083 R)
• M5: 4,396,681 km (0.106 R)
• M6: 6,103,294 km (0.088 R)
• M7: 7,489,617 km (0.116 R)
• M8: 8,355,191 km (0.098 R)
• M9: 9,555,414 km (0.111 R)
• M10: 9,775,174 km (0.083 R)
• M11: 11,045,260 km (0.067 R)
• M12: 12,035,298 km (0.101 R)
• M13: 13,628,815 km (0.09 R)
• M14: 14,189,956 km (0.071 R)
• M15: 14,620,649 km (0.111 R)
• M16: 16,196,961 km (0.09 R)
• M17: 17,066,275 km (0.058 R)
• M18: 18,301,205 km (0.114 R)
• M19: 19,594,329 km (0.101 R)
• M20: 22,554,422 km (0.061 R)
• M21: 22,748,750 km (0.056 R)
• M22: 23,837,374 km (0.109 R)
• M23: 29,457,018 km (0.046 R)
• M24: 29,572,956 km (0.096 R)
• M25: 30,275,019 km (0.103 R)
• M26: 30,868,473 km (0.08 R)
• M27: 32,201,390 km (0.051 R)
• M28: 39,444,770 km (0.11 R)
• M29: 40,724,879 km (0.088 R)
• M30: 42,326,623 km (0.089 R)
• M31: 43,818,712 km (0.112 R)
• M32: 48,343,450 km (0.089 R)
• M33: 48,991,059 km (0.078 R)
• M34: 50,303,481 km (0.096 R)
• M35: 50,801,642 km (0.095 R)
• M36: 61,467,820 km (0.097 R)
• M37: 61,846,901 km (0.094 R)
• M38: 62,037,040 km (0.033 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 12,502 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit