🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417

Radius: 9.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.57 AU - 0.57 AU

Year: 287 Days

Day: 12.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,168,880 km

• M1: 119,977 km (0.092 R)
• M2: 438,920 km (0.082 R)
• M3: 1,155,045 km (0.082 R)
• M4: 1,706,014 km (0.091 R)
• M5: 2,581,461 km (0.067 R)
• M6: 3,105,203 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 13.1

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.47 AU - 0.73 AU

Year: 310 Days

Day: 11.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 47,168,880 km

• M1: 162,912 km (0.108 R)
• M2: 597,643 km (0.108 R)
• M3: 1,277,267 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232

Radius: 14.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.49 AU - 3.29 AU

Year: 3276 Days

Day: 11.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,168,880 km

• M1: 179,069 km (0.119 R)
• M2: 1,176,288 km (0.085 R)
• M3: 1,747,453 km (0.12 R)
• M4: 2,543,014 km (0.052 R)
• M5: 5,072,116 km (0.063 R)
• M6: 6,882,250 km (0.097 R)
• M7: 7,686,787 km (0.053 R)
• M8: 8,835,400 km (0.088 R)
• M9: 9,352,111 km (0.11 R)
• M10: 10,841,507 km (0.083 R)
• M11: 11,662,351 km (0.069 R)
• M12: 12,484,092 km (0.047 R)
• M13: 13,218,917 km (0.116 R)
• M14: 14,419,290 km (0.108 R)
• M15: 15,412,470 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.7

Radius: 12.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.76 AU - 4.14 AU

Year: 5235 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,168,880 km

• M1: 160,519 km (0.106 R)
• M2: 592,258 km (0.075 R)
• M3: 1,179,130 km (0.088 R)
• M4: 1,599,201 km (0.104 R)
• M5: 2,008,052 km (0.119 R)
• M6: 2,436,501 km (0.1 R)
• M7: 2,854,776 km (0.059 R)
• M8: 3,598,577 km (0.087 R)
• M9: 4,429,144 km (0.097 R)
• M10: 5,631,462 km (0.1 R)
• M11: 6,751,801 km (0.1 R)
• M12: 10,028,443 km (0.091 R)
• M13: 11,595,181 km (0.098 R)
• M14: 12,993,772 km (0.064 R)
• M15: 13,818,056 km (0.077 R)
• M16: 14,941,237 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.9

Radius: 15

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.93 AU - 5.11 AU

Year: 6408 Days

Day: 10.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,168,880 km

• M1: 186,549 km (0.113 R)
• M2: 747,541 km (0.115 R)
• M3: 1,531,134 km (0.118 R)
• M4: 3,755,954 km (0.084 R)
• M5: 4,699,767 km (0.052 R)
• M6: 5,322,692 km (0.118 R)
• M7: 5,912,706 km (0.098 R)
• M8: 6,640,201 km (0.03 R)
• M9: 7,563,968 km (0.116 R)
• M10: 8,534,559 km (0.078 R)
• M11: 9,305,885 km (0.046 R)
• M12: 9,790,732 km (0.119 R)
• M13: 10,292,334 km (0.109 R)
• M14: 11,438,702 km (0.068 R)
• M15: 12,043,077 km (0.071 R)
• M16: 13,621,933 km (0.105 R)
• M17: 14,408,070 km (0.118 R)
• M18: 16,770,669 km (0.057 R)
• M19: 17,735,276 km (0.09 R)
• M20: 18,928,619 km (0.094 R)
• M21: 21,058,443 km (0.09 R)
• M22: 21,826,180 km (0.062 R)
• M23: 22,468,254 km (0.093 R)
• M24: 23,491,952 km (0.117 R)
• M25: 24,623,062 km (0.037 R)
• M26: 26,588,628 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.4

Radius: 7.3

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.48 AU - 7.06 AU

Year: 9243 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,168,880 km

• M1: 92,302 km (0.103 R)
• M2: 322,683 km (0.108 R)
• M3: 920,177 km (0.113 R)
• M4: 1,488,200 km (0.12 R)
• M5: 2,456,995 km (0.119 R)
• M6: 3,240,140 km (0.111 R)
• M7: 3,697,461 km (0.067 R)
• M8: 5,685,317 km (0.114 R)
• M9: 5,945,468 km (0.107 R)
• M10: 10,967,469 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.4

Radius: 7.9

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.04 AU - 8.18 AU

Year: 11333 Days

Day: 21.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 47,168,880 km

• M1: 102,475 km (0.097 R)
• M2: 426,952 km (0.101 R)
• M3: 725,699 km (0.039 R)
• M4: 1,165,667 km (0.104 R)
• M5: 2,457,444 km (0.088 R)
• M6: 2,972,210 km (0.099 R)
• M7: 3,403,800 km (0.103 R)
• M8: 3,959,556 km (0.116 R)
• M9: 5,956,090 km (0.097 R)
• M10: 6,369,877 km (0.043 R)
• M11: 8,876,689 km (0.107 R)
• M12: 9,416,887 km (0.111 R)
• M13: 10,726,467 km (0.112 R)
• M14: 12,093,791 km (0.083 R)
• M15: 12,513,563 km (0.115 R)
• M16: 15,658,858 km (0.101 R)
• M17: 16,593,695 km (0.025 R)
• M18: 17,262,397 km (0.078 R)
• M19: 18,181,676 km (0.07 R)
• M20: 19,294,984 km (0.066 R)
• M21: 20,963,449 km (0.079 R)
• M22: 21,569,470 km (0.035 R)
• M23: 22,009,437 km (0.102 R)
• M24: 24,489,471 km (0.094 R)
• M25: 26,643,231 km (0.055 R)
• M26: 27,662,741 km (0.029 R)
• M27: 29,779,551 km (0.103 R)
• M28: 37,150,088 km (0.11 R)
• M29: 37,655,430 km (0.092 R)
• M30: 42,686,107 km (0.076 R)
• M31: 47,108,070 km (0.114 R)
• M32: 49,050,000 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 286.7

Radius: 4.9

Gravity: 11.94 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.09 AU - 8.91 AU

Year: 15089 Days

Day: 17.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,168,880 km

• M1: 61,036 km (0.079 R)
• M2: 243,246 km (0.109 R)
• M3: 426,653 km (0.031 R)
• M4: 641,625 km (0.098 R)
• M5: 1,029,981 km (0.091 R)
• M6: 1,282,652 km (0.085 R)
• M7: 2,012,241 km (0.108 R)
• M8: 2,605,247 km (0.04 R)
• M9: 4,156,427 km (0.103 R)
• M10: 4,586,671 km (0.052 R)
• M11: 5,270,632 km (0.106 R)
• M12: 6,799,971 km (0.104 R)
• M13: 8,831,062 km (0.079 R)
• M14: 11,617,172 km (0.1 R)
• M15: 12,352,147 km (0.049 R)
• M16: 12,819,640 km (0.119 R)
• M17: 14,039,760 km (0.101 R)
• M18: 15,268,707 km (0.119 R)
• M19: 17,643,872 km (0.109 R)
• M20: 17,864,529 km (0.12 R)
• M21: 18,462,172 km (0.115 R)
• M22: 21,651,150 km (0.1 R)
• M23: 24,727,032 km (0.113 R)
• M24: 31,081,650 km (0.088 R)
• M25: 32,714,062 km (0.102 R)
• M26: 33,047,217 km (0.118 R)
• M27: 34,174,138 km (0.11 R)
• M28: 35,677,297 km (0.096 R)
• M29: 38,566,929 km (0.117 R)
• M30: 41,739,003 km (0.086 R)
• M31: 42,393,643 km (0.117 R)
• M32: 43,321,599 km (0.088 R)
• M33: 43,857,907 km (0.088 R)
• M34: 45,080,720 km (0.073 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 295 - 13,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit