🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.9

Radius: 11

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.59 AU - 0.92 AU

Year: 433 Days

Day: 9.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 26,568,690 km

• M1: 136,732 km (0.111 R)
• M2: 520,900 km (0.098 R)
• M3: 911,350 km (0.109 R)
• M4: 1,376,600 km (0.094 R)
• M5: 1,812,677 km (0.119 R)
• M6: 2,164,681 km (0.091 R)
• M7: 2,741,531 km (0.075 R)
• M8: 3,124,501 km (0.084 R)
• M9: 4,151,939 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.2

Radius: 8.3

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.72 AU - 0.8 AU

Year: 442 Days

Day: 7.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 26,568,690 km

• M1: 103,223 km (0.099 R)
• M2: 376,538 km (0.113 R)
• M3: 716,424 km (0.104 R)
• M4: 979,417 km (0.1 R)
• M5: 1,368,821 km (0.113 R)
• M6: 1,711,699 km (0.113 R)
• M7: 2,111,574 km (0.119 R)
• M8: 2,379,055 km (0.094 R)
• M9: 2,768,159 km (0.12 R)
• M10: 3,775,102 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 9.5

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.18 AU - 1.96 AU

Year: 1312 Days

Day: 14.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,568,690 km

• M1: 118,332 km (0.08 R)
• M2: 441,613 km (0.117 R)
• M3: 759,209 km (0.106 R)
• M4: 1,196,334 km (0.058 R)
• M5: 1,558,062 km (0.085 R)
• M6: 2,091,079 km (0.12 R)
• M7: 2,790,299 km (0.074 R)
• M8: 3,108,045 km (0.114 R)
• M9: 3,741,892 km (0.114 R)
• M10: 4,065,921 km (0.06 R)
• M11: 4,510,226 km (0.12 R)
• M12: 4,824,232 km (0.1 R)
• M13: 5,322,842 km (0.117 R)
• M14: 5,916,745 km (0.044 R)
• M15: 6,272,489 km (0.101 R)
• M16: 7,004,172 km (0.099 R)
• M17: 8,557,447 km (0.094 R)
• M18: 9,177,979 km (0.055 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943

Radius: 7.6

Gravity: 16.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.68 AU - 7.18 AU

Year: 9630 Days

Day: 16.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 26,568,690 km

• M1: 94,546 km (0.069 R)
• M2: 340,634 km (0.108 R)
• M3: 750,981 km (0.1 R)
• M4: 1,093,560 km (0.105 R)
• M5: 1,655,749 km (0.072 R)
• M6: 2,188,916 km (0.102 R)
• M7: 2,702,336 km (0.095 R)
• M8: 3,244,927 km (0.082 R)
• M9: 5,414,695 km (0.109 R)
• M10: 5,657,043 km (0.102 R)
• M11: 6,466,218 km (0.083 R)
• M12: 6,858,763 km (0.081 R)
• M13: 7,519,537 km (0.101 R)
• M14: 9,209,544 km (0.099 R)
• M15: 10,485,614 km (0.09 R)
• M16: 13,510,034 km (0.104 R)
• M17: 13,957,182 km (0.088 R)
• M18: 16,342,520 km (0.068 R)
• M19: 17,368,462 km (0.047 R)
• M20: 19,547,954 km (0.103 R)
• M21: 20,703,298 km (0.037 R)
• M22: 22,254,927 km (0.113 R)
• M23: 22,609,923 km (0.068 R)
• M24: 23,882,402 km (0.119 R)
• M25: 24,915,077 km (0.095 R)
• M26: 25,977,371 km (0.042 R)
• M27: 30,529,185 km (0.059 R)
• M28: 30,967,507 km (0.096 R)
• M29: 36,684,390 km (0.072 R)
• M30: 37,055,692 km (0.038 R)
• M31: 45,585,762 km (0.09 R)
• M32: 46,446,698 km (0.069 R)
• M33: 47,318,554 km (0.112 R)
• M34: 51,068,674 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.6

Radius: 6.4

Gravity: 16.05 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.88 AU - 10.08 AU

Year: 16467 Days

Day: 23.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 26,568,690 km

• M1: 79,586 km (0.078 R)
• M2: 567,874 km (0.115 R)
• M3: 934,239 km (0.076 R)
• M4: 1,770,341 km (0.069 R)
• M5: 2,217,489 km (0.106 R)
• M6: 2,533,440 km (0.113 R)
• M7: 2,903,246 km (0.065 R)
• M8: 4,390,099 km (0.08 R)
• M9: 6,406,828 km (0.097 R)
• M10: 6,960,939 km (0.079 R)
• M11: 9,233,480 km (0.072 R)
• M12: 12,600,030 km (0.109 R)
• M13: 13,812,970 km (0.117 R)
• M14: 15,175,806 km (0.117 R)
• M15: 18,333,518 km (0.083 R)
• M16: 19,099,908 km (0.069 R)
• M17: 20,065,413 km (0.094 R)
• M18: 23,255,139 km (0.047 R)
• M19: 27,421,589 km (0.075 R)
• M20: 30,263,649 km (0.042 R)
• M21: 33,421,511 km (0.038 R)
• M22: 39,114,458 km (0.074 R)
• M23: 41,969,533 km (0.11 R)
• M24: 44,807,853 km (0.08 R)
• M25: 47,930,859 km (0.054 R)
• M26: 49,545,618 km (0.096 R)
• M27: 54,606,664 km (0.101 R)
• M28: 56,902,841 km (0.11 R)
• M29: 64,955,545 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.5

Radius: 6.9

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 7.17 AU - 11.85 AU

Year: 19557 Days

Day: 24.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,568,690 km

• M1: 92,751 km (0.073 R)
• M2: 461,210 km (0.112 R)
• M3: 815,308 km (0.084 R)
• M4: 1,644,679 km (0.102 R)
• M5: 2,326,396 km (0.093 R)
• M6: 2,924,040 km (0.106 R)
• M7: 4,050,811 km (0.103 R)
• M8: 4,588,765 km (0.105 R)
• M9: 17,107,265 km (0.042 R)
• M10: 21,456,224 km (0.102 R)
• M11: 22,505,952 km (0.048 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 18,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit