🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.6

Radius: 13.2

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.76 AU - 1.2 AU

Year: 636 Days

Day: 9.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,812,094 km

• M1: 164,109 km (0.037 R)
• M2: 660,774 km (0.091 R)
• M3: 1,090,868 km (0.1 R)
• M4: 2,065,797 km (0.117 R)
• M5: 2,607,042 km (0.101 R)
• M6: 3,379,117 km (0.111 R)
• M7: 3,799,038 km (0.117 R)
• M8: 4,418,822 km (0.095 R)
• M9: 5,395,995 km (0.076 R)
• M10: 5,899,093 km (0.106 R)
• M11: 6,814,333 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.6

Radius: 8.4

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.94 AU - 1.54 AU

Year: 906 Days

Day: 13.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,812,094 km

• M1: 105,915 km (0.072 R)
• M2: 420,819 km (0.083 R)
• M3: 691,591 km (0.111 R)
• M4: 983,756 km (0.113 R)
• M5: 1,258,716 km (0.069 R)
• M6: 1,797,867 km (0.086 R)
• M7: 2,107,984 km (0.115 R)
• M8: 2,433,957 km (0.1 R)
• M9: 2,708,320 km (0.114 R)
• M10: 3,235,952 km (0.103 R)
• M11: 3,620,268 km (0.112 R)
• M12: 4,436,175 km (0.119 R)
• M13: 4,991,034 km (0.106 R)
• M14: 5,731,394 km (0.111 R)
• M15: 6,018,023 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.4

Radius: 8.8

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.3 AU - 4.36 AU

Year: 5911 Days

Day: 8.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,812,094 km

• M1: 111,002 km (0.077 R)
• M2: 445,951 km (0.087 R)
• M3: 906,862 km (0.084 R)
• M4: 1,441,974 km (0.046 R)
• M5: 1,872,965 km (0.09 R)
• M6: 2,337,616 km (0.064 R)
• M7: 3,520,337 km (0.103 R)
• M8: 4,032,411 km (0.081 R)
• M9: 6,158,196 km (0.05 R)
• M10: 8,447,044 km (0.093 R)
• M11: 9,626,473 km (0.118 R)
• M12: 11,201,889 km (0.097 R)
• M13: 12,051,006 km (0.085 R)
• M14: 17,536,610 km (0.105 R)
• M15: 19,944,388 km (0.077 R)
• M16: 20,305,368 km (0.114 R)
• M17: 21,717,422 km (0.098 R)
• M18: 22,720,476 km (0.078 R)
• M19: 26,692,598 km (0.086 R)
• M20: 28,567,209 km (0.087 R)
• M21: 30,528,138 km (0.1 R)
• M22: 31,590,283 km (0.049 R)
• M23: 31,884,243 km (0.065 R)
• M24: 34,612,160 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.6

Radius: 8.3

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 4.31 AU - 4.51 AU

Year: 6075 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 22,812,094 km

• M1: 103,223 km (0.109 R)
• M2: 377,735 km (0.113 R)
• M3: 974,630 km (0.095 R)
• M4: 1,397,244 km (0.105 R)
• M5: 2,558,124 km (0.114 R)
• M6: 4,212,526 km (0.073 R)
• M7: 4,905,015 km (0.119 R)
• M8: 5,517,917 km (0.06 R)
• M9: 5,827,286 km (0.039 R)
• M10: 6,346,241 km (0.117 R)
• M11: 6,895,863 km (0.097 R)
• M12: 7,664,797 km (0.075 R)
• M13: 8,902,868 km (0.102 R)
• M14: 11,568,403 km (0.11 R)
• M15: 12,599,133 km (0.088 R)
• M16: 14,606,886 km (0.097 R)
• M17: 17,077,644 km (0.103 R)
• M18: 17,803,194 km (0.084 R)
• M19: 26,574,117 km (0.11 R)
• M20: 28,088,945 km (0.118 R)
• M21: 28,362,111 km (0.082 R)
• M22: 30,419,979 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.1

Radius: 11.2

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.06 AU - 5.4 AU

Year: 7846 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 22,812,094 km

• M1: 139,276 km (0.111 R)
• M2: 491,579 km (0.099 R)
• M3: 1,082,789 km (0.1 R)
• M4: 2,008,501 km (0.117 R)
• M5: 3,291,004 km (0.054 R)
• M6: 4,827,822 km (0.088 R)
• M7: 5,505,052 km (0.114 R)
• M8: 6,244,514 km (0.093 R)
• M9: 7,344,657 km (0.115 R)
• M10: 8,863,973 km (0.031 R)
• M11: 9,296,460 km (0.059 R)
• M12: 11,932,973 km (0.08 R)
• M13: 12,839,836 km (0.114 R)
• M14: 14,197,436 km (0.103 R)
• M15: 15,338,419 km (0.089 R)
• M16: 18,985,615 km (0.075 R)
• M17: 20,072,593 km (0.107 R)
• M18: 22,450,003 km (0.119 R)
• M19: 24,583,867 km (0.04 R)
• M20: 28,590,995 km (0.096 R)
• M21: 33,845,172 km (0.099 R)
• M22: 36,093,927 km (0.093 R)
• M23: 36,754,402 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 9.4

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.21 AU - 6.57 AU

Year: 8209 Days

Day: 8.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 22,812,094 km

• M1: 186,249 km (0.109 R)
• M2: 686,804 km (0.118 R)
• M3: 980,016 km (0.064 R)
• M4: 1,753,437 km (0.107 R)
• M5: 2,621,553 km (0.112 R)
• M6: 3,805,022 km (0.088 R)
• M7: 4,555,554 km (0.065 R)
• M8: 6,274,135 km (0.11 R)
• M9: 6,862,204 km (0.117 R)
• M10: 9,037,656 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.2

Radius: 3.3

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.77 AU - 8.97 AU

Year: 14483 Days

Day: 16 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 22,812,094 km

• M1: 47,572 km (0.089 R)
• M2: 469,588 km (0.119 R)
• M3: 1,094,608 km (0.114 R)
• M4: 1,340,547 km (0.106 R)
• M5: 1,656,796 km (0.079 R)
• M6: 2,074,773 km (0.074 R)
• M7: 2,606,892 km (0.089 R)
• M8: 5,547,239 km (0.097 R)
• M9: 6,889,730 km (0.05 R)
• M10: 10,517,927 km (0.074 R)
• M11: 12,920,618 km (0.09 R)
• M12: 13,682,670 km (0.095 R)
• M13: 20,952,379 km (0.089 R)
• M14: 22,002,107 km (0.104 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 20,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit