🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.3

Radius: 8.8

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.7 AU - 0.82 AU

Year: 457 Days

Day: 10.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,413,980 km

• M1: 109,506 km (0.072 R)
• M2: 407,056 km (0.033 R)
• M3: 794,215 km (0.108 R)
• M4: 1,192,295 km (0.085 R)
• M5: 1,580,502 km (0.061 R)
• M6: 1,955,244 km (0.049 R)
• M7: 2,325,648 km (0.066 R)
• M8: 2,712,658 km (0.104 R)
• M9: 3,054,938 km (0.03 R)
• M10: 3,532,305 km (0.098 R)
• M11: 4,204,897 km (0.03 R)
• M12: 4,723,254 km (0.103 R)
• M13: 5,020,804 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.1

Radius: 11.1

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.89 AU - 1.19 AU

Year: 732 Days

Day: 11.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,413,980 km

• M1: 138,079 km (0.095 R)
• M2: 483,500 km (0.118 R)
• M3: 887,714 km (0.118 R)
• M4: 1,297,762 km (0.041 R)
• M5: 1,779,467 km (0.048 R)
• M6: 2,217,190 km (0.115 R)
• M7: 2,715,800 km (0.095 R)
• M8: 3,300,727 km (0.106 R)
• M9: 3,816,840 km (0.113 R)
• M10: 4,979,066 km (0.101 R)
• M11: 6,097,609 km (0.061 R)
• M12: 6,796,530 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.8

Radius: 11.6

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.18 AU - 1.32 AU

Year: 965 Days

Day: 13.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,413,980 km

• M1: 144,212 km (0.088 R)
• M2: 709,244 km (0.069 R)
• M3: 1,241,214 km (0.061 R)
• M4: 1,682,976 km (0.073 R)
• M5: 2,291,839 km (0.111 R)
• M6: 2,654,465 km (0.042 R)
• M7: 3,094,432 km (0.101 R)
• M8: 3,456,160 km (0.117 R)
• M9: 3,952,077 km (0.113 R)
• M10: 4,346,865 km (0.072 R)
• M11: 5,216,179 km (0.097 R)
• M12: 6,156,401 km (0.053 R)
• M13: 7,275,543 km (0.101 R)
• M14: 7,677,363 km (0.118 R)
• M15: 8,143,958 km (0.101 R)
• M16: 8,972,731 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.8

Radius: 10.4

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.86 AU - 2.32 AU

Year: 2086 Days

Day: 11.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,413,980 km

• M1: 129,552 km (0.09 R)
• M2: 511,026 km (0.117 R)
• M3: 1,243,158 km (0.054 R)
• M4: 1,706,463 km (0.092 R)
• M5: 2,104,393 km (0.116 R)
• M6: 2,485,269 km (0.108 R)
• M7: 2,811,692 km (0.088 R)
• M8: 3,276,193 km (0.075 R)
• M9: 3,861,719 km (0.08 R)
• M10: 8,513,166 km (0.075 R)
• M11: 9,554,666 km (0.057 R)
• M12: 10,329,434 km (0.104 R)
• M13: 11,402,350 km (0.066 R)
• M14: 13,810,576 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.1

Radius: 10.5

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.94 AU - 2.36 AU

Year: 2176 Days

Day: 9.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,413,980 km

• M1: 130,599 km (0.039 R)
• M2: 463,454 km (0.061 R)
• M3: 1,117,197 km (0.117 R)
• M4: 1,560,306 km (0.109 R)
• M5: 1,945,520 km (0.052 R)
• M6: 2,433,658 km (0.102 R)
• M7: 2,867,193 km (0.066 R)
• M8: 3,485,481 km (0.1 R)
• M9: 4,209,983 km (0.082 R)
• M10: 4,567,373 km (0.115 R)
• M11: 5,366,375 km (0.03 R)
• M12: 5,835,663 km (0.1 R)
• M13: 6,180,337 km (0.045 R)
• M14: 7,495,751 km (0.107 R)
• M15: 8,295,800 km (0.114 R)
• M16: 9,217,473 km (0.099 R)
• M17: 10,708,066 km (0.095 R)
• M18: 11,722,489 km (0.045 R)
• M19: 13,468,745 km (0.119 R)
• M20: 14,204,767 km (0.112 R)
• M21: 14,650,119 km (0.092 R)
• M22: 15,615,774 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.1

Radius: 11.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.65 AU - 5.19 AU

Year: 7533 Days

Day: 11.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,413,980 km

• M1: 141,819 km (0.107 R)
• M2: 517,010 km (0.063 R)
• M3: 912,996 km (0.114 R)
• M4: 1,860,100 km (0.051 R)
• M5: 2,349,883 km (0.086 R)
• M6: 3,727,829 km (0.076 R)
• M7: 4,181,560 km (0.085 R)
• M8: 4,645,313 km (0.119 R)
• M9: 5,988,552 km (0.112 R)
• M10: 8,833,904 km (0.08 R)
• M11: 10,832,681 km (0.11 R)
• M12: 12,583,425 km (0.071 R)
• M13: 13,279,354 km (0.062 R)
• M14: 14,170,957 km (0.059 R)
• M15: 15,161,595 km (0.101 R)
• M16: 17,150,797 km (0.119 R)
• M17: 18,479,077 km (0.084 R)
• M18: 25,063,029 km (0.103 R)
• M19: 27,832,833 km (0.097 R)
• M20: 28,555,990 km (0.102 R)
• M21: 31,477,038 km (0.06 R)

Asteroid Belt

Center: 5.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.4

Radius: 4.1

Gravity: 51.06 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 5.47 AU - 6.39 AU

Year: 9968 Days

Day: 22.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,413,980 km

• M1: 51,462 km (0.078 R)
• M2: 201,658 km (0.097 R)
• M3: 450,888 km (0.087 R)
• M4: 1,181,823 km (0.115 R)
• M5: 1,373,458 km (0.075 R)
• M6: 1,786,947 km (0.094 R)
• M7: 2,434,556 km (0.11 R)
• M8: 3,036,837 km (0.038 R)
• M9: 4,903,519 km (0.077 R)
• M10: 5,606,928 km (0.114 R)
• M11: 6,223,720 km (0.061 R)
• M12: 7,252,654 km (0.101 R)
• M13: 7,590,895 km (0.108 R)
• M14: 8,298,643 km (0.049 R)
• M15: 9,049,474 km (0.105 R)
• M16: 12,749,030 km (0.114 R)
• M17: 16,248,872 km (0.045 R)
• M18: 16,464,293 km (0.102 R)
• M19: 18,256,027 km (0.115 R)
• M20: 20,173,572 km (0.083 R)
• M21: 22,843,744 km (0.103 R)
• M22: 29,934,384 km (0.049 R)
• M23: 31,799,271 km (0.08 R)
• M24: 41,755,159 km (0.087 R)
• M25: 45,913,531 km (0.099 R)
• M26: 49,582,718 km (0.075 R)
• M27: 50,950,192 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.9

Radius: 4.6

Gravity: 7.04 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 6.4 AU - 7.38 AU

Year: 12484 Days

Day: 22.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,413,980 km

• M1: 57,296 km (0.089 R)
• M2: 226,940 km (0.085 R)
• M3: 447,447 km (0.061 R)
• M4: 1,733,091 km (0.103 R)
• M5: 1,901,987 km (0.036 R)
• M6: 2,081,954 km (0.07 R)
• M7: 2,765,167 km (0.079 R)
• M8: 5,456,882 km (0.085 R)
• M9: 9,091,511 km (0.112 R)
• M10: 9,302,594 km (0.11 R)
• M11: 13,961,371 km (0.081 R)
• M12: 14,470,004 km (0.098 R)
• M13: 14,642,340 km (0.047 R)
• M14: 18,247,948 km (0.095 R)
• M15: 20,040,430 km (0.095 R)
• M16: 20,906,003 km (0.106 R)
• M17: 23,652,022 km (0.115 R)
• M18: 24,863,914 km (0.074 R)
• M19: 28,028,956 km (0.096 R)
• M20: 32,423,244 km (0.039 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 11,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit