🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 9.1

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.61 AU - 0.69 AU

Year: 349 Days

Day: 10.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,732,965 km

• M1: 113,246 km (0.096 R)
• M2: 471,682 km (0.091 R)
• M3: 929,452 km (0.086 R)
• M4: 1,232,986 km (0.05 R)
• M5: 1,522,607 km (0.049 R)
• M6: 1,806,544 km (0.119 R)
• M7: 2,296,477 km (0.083 R)
• M8: 2,631,427 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.5

Radius: 12.4

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.64 AU - 0.7 AU

Year: 366 Days

Day: 6.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,732,965 km

• M1: 154,235 km (0.076 R)
• M2: 639,232 km (0.044 R)
• M3: 1,261,858 km (0.104 R)
• M4: 1,679,834 km (0.118 R)
• M5: 2,485,569 km (0.105 R)
• M6: 3,090,094 km (0.077 R)
• M7: 3,534,399 km (0.103 R)
• M8: 4,139,971 km (0.062 R)
• M9: 4,624,519 km (0.114 R)
• M10: 5,318,803 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.6

Radius: 14.8

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.61 AU - 0.97 AU

Year: 468 Days

Day: 5.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,732,965 km

• M1: 184,305 km (0.11 R)
• M2: 689,197 km (0.083 R)
• M3: 1,241,064 km (0.076 R)
• M4: 1,849,478 km (0.092 R)
• M5: 2,496,639 km (0.082 R)
• M6: 3,400,509 km (0.105 R)
• M7: 5,277,962 km (0.05 R)
• M8: 5,822,648 km (0.101 R)
• M9: 6,423,733 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161

Radius: 11.4

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.8 AU - 1.22 AU

Year: 677 Days

Day: 14.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,732,965 km

• M1: 142,268 km (0.081 R)
• M2: 594,203 km (0.068 R)
• M3: 953,088 km (0.079 R)
• M4: 1,544,897 km (0.112 R)
• M5: 2,067,443 km (0.098 R)
• M6: 3,820,879 km (0.119 R)
• M7: 4,323,678 km (0.094 R)
• M8: 4,743,300 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 11.7

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.93 AU - 1.39 AU

Year: 833 Days

Day: 5 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,732,965 km

• M1: 145,559 km (0.1 R)
• M2: 509,979 km (0.082 R)
• M3: 965,953 km (0.05 R)
• M4: 1,472,641 km (0.047 R)
• M5: 1,867,729 km (0.096 R)
• M6: 2,691,864 km (0.03 R)
• M7: 3,174,916 km (0.103 R)
• M8: 3,993,366 km (0.069 R)
• M9: 4,444,702 km (0.109 R)
• M10: 4,947,351 km (0.094 R)
• M11: 6,208,312 km (0.081 R)
• M12: 6,751,502 km (0.096 R)
• M13: 7,235,750 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.1

Radius: 6.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.01 AU - 8.61 AU

Year: 14555 Days

Day: 17.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,732,965 km

• M1: 84,822 km (0.095 R)
• M2: 388,506 km (0.071 R)
• M3: 792,719 km (0.072 R)
• M4: 1,728,903 km (0.063 R)
• M5: 3,159,208 km (0.089 R)
• M6: 4,591,757 km (0.099 R)
• M7: 6,226,413 km (0.12 R)
• M8: 7,815,741 km (0.112 R)
• M9: 10,857,065 km (0.04 R)
• M10: 11,308,402 km (0.114 R)
• M11: 11,819,129 km (0.118 R)
• M12: 16,123,210 km (0.082 R)
• M13: 16,592,049 km (0.059 R)
• M14: 19,930,625 km (0.102 R)
• M15: 23,392,469 km (0.106 R)
• M16: 24,069,101 km (0.076 R)
• M17: 26,177,234 km (0.116 R)
• M18: 27,566,100 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.7

Radius: 4.5

Gravity: 48.78 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.3 AU - 10.26 AU

Year: 15888 Days

Day: 21.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,732,965 km

• M1: 57,296 km (0.096 R)
• M2: 217,814 km (0.083 R)
• M3: 514,916 km (0.112 R)
• M4: 940,821 km (0.051 R)
• M5: 1,815,969 km (0.096 R)
• M6: 2,125,935 km (0.112 R)
• M7: 3,029,058 km (0.101 R)
• M8: 3,493,409 km (0.112 R)
• M9: 3,818,336 km (0.096 R)
• M10: 5,246,098 km (0.119 R)
• M11: 5,398,389 km (0.057 R)
• M12: 6,461,282 km (0.116 R)
• M13: 8,461,405 km (0.091 R)
• M14: 9,544,643 km (0.078 R)
• M15: 11,212,061 km (0.11 R)
• M16: 13,916,940 km (0.099 R)
• M17: 15,264,817 km (0.103 R)
• M18: 16,452,475 km (0.038 R)
• M19: 17,110,406 km (0.116 R)
• M20: 18,478,628 km (0.09 R)
• M21: 24,364,856 km (0.089 R)
• M22: 26,873,911 km (0.065 R)
• M23: 29,790,770 km (0.113 R)
• M24: 32,016,936 km (0.036 R)
• M25: 36,381,604 km (0.062 R)
• M26: 37,075,738 km (0.076 R)
• M27: 38,777,563 km (0.027 R)
• M28: 39,647,624 km (0.111 R)
• M29: 46,918,679 km (0.061 R)
• M30: 48,572,484 km (0.046 R)
• M31: 49,923,203 km (0.09 R)
• M32: 52,699,440 km (0.104 R)
• M33: 53,587,603 km (0.081 R)
• M34: 60,861,201 km (0.104 R)
• M35: 73,071,828 km (0.079 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: 350 - 14,462 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit