🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.5

Radius: 12.4

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.84 AU - 0.9 AU

Year: 532 Days

Day: 14 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,392,753 km

• M1: 154,235 km (0.081 R)
• M2: 554,859 km (0.114 R)
• M3: 996,172 km (0.074 R)
• M4: 1,499,719 km (0.101 R)
• M5: 2,318,767 km (0.036 R)
• M6: 2,710,265 km (0.117 R)
• M7: 3,212,465 km (0.047 R)
• M8: 3,751,615 km (0.04 R)
• M9: 4,775,463 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.5

Radius: 10.1

Gravity: 7.89 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.48 AU - 2.53 AU

Year: 2593 Days

Day: 11.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,392,753 km

• M1: 126,111 km (0.092 R)
• M2: 564,732 km (0.09 R)
• M3: 914,791 km (0.066 R)
• M4: 1,414,149 km (0.088 R)
• M5: 2,050,837 km (0.082 R)
• M6: 3,100,117 km (0.054 R)
• M7: 3,434,318 km (0.101 R)
• M8: 3,970,926 km (0.12 R)
• M9: 4,452,781 km (0.092 R)
• M10: 6,495,839 km (0.107 R)
• M11: 6,810,892 km (0.111 R)
• M12: 7,818,284 km (0.036 R)
• M13: 8,175,224 km (0.064 R)
• M14: 9,825,139 km (0.088 R)
• M15: 10,669,171 km (0.11 R)
• M16: 11,897,219 km (0.032 R)
• M17: 12,633,540 km (0.115 R)
• M18: 13,126,016 km (0.079 R)
• M19: 15,477,246 km (0.094 R)
• M20: 16,672,383 km (0.076 R)
• M21: 19,480,784 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271

Radius: 9.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.43 AU - 3.13 AU

Year: 3041 Days

Day: 14.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,392,753 km

• M1: 114,442 km (0.114 R)
• M2: 520,002 km (0.113 R)
• M3: 1,310,029 km (0.038 R)
• M4: 1,905,428 km (0.097 R)
• M5: 3,647,346 km (0.086 R)
• M6: 5,768,344 km (0.077 R)
• M7: 9,611,813 km (0.084 R)
• M8: 11,901,259 km (0.078 R)
• M9: 12,698,316 km (0.059 R)
• M10: 15,165,335 km (0.095 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129

Radius: 5.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.69 AU - 7.67 AU

Year: 11326 Days

Day: 24.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,392,753 km

• M1: 72,256 km (0.097 R)
• M2: 620,083 km (0.027 R)
• M3: 892,351 km (0.084 R)
• M4: 1,427,164 km (0.072 R)
• M5: 2,952,015 km (0.111 R)
• M6: 4,163,608 km (0.102 R)
• M7: 4,480,755 km (0.111 R)
• M8: 10,330,631 km (0.073 R)
• M9: 10,957,745 km (0.119 R)
• M10: 12,939,767 km (0.118 R)
• M11: 13,196,776 km (0.065 R)
• M12: 14,588,485 km (0.112 R)
• M13: 18,816,719 km (0.108 R)
• M14: 24,807,366 km (0.073 R)
• M15: 25,364,020 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64

Radius: 4.3

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 5.74 AU - 8.6 AU

Year: 12595 Days

Day: 19.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,392,753 km

• M1: 58,942 km (0.114 R)
• M2: 483,201 km (0.118 R)
• M3: 4,039,292 km (0.093 R)
• M4: 4,475,071 km (0.056 R)
• M5: 5,331,818 km (0.097 R)
• M6: 5,855,709 km (0.109 R)
• M7: 8,885,366 km (0.114 R)
• M8: 9,580,397 km (0.1 R)
• M9: 14,163,777 km (0.053 R)
• M10: 18,139,789 km (0.115 R)
• M11: 19,893,076 km (0.103 R)
• M12: 22,588,830 km (0.033 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.1

Radius: 5.4

Gravity: 23.67 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.64 AU - 8.74 AU

Year: 15376 Days

Day: 23.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,392,753 km

• M1: 154,535 km (0.112 R)
• M2: 702,661 km (0.072 R)
• M3: 1,610,571 km (0.114 R)
• M4: 2,065,797 km (0.064 R)
• M5: 3,176,561 km (0.098 R)
• M6: 3,358,921 km (0.118 R)
• M7: 7,498,444 km (0.092 R)
• M8: 7,775,948 km (0.111 R)
• M9: 16,285,972 km (0.095 R)
• M10: 16,987,736 km (0.082 R)
• M11: 20,351,444 km (0.078 R)
• M12: 25,148,000 km (0.062 R)
• M13: 26,721,620 km (0.114 R)
• M14: 28,248,566 km (0.12 R)
• M15: 32,318,526 km (0.091 R)
• M16: 35,712,901 km (0.089 R)
• M17: 38,375,295 km (0.12 R)
• M18: 43,199,826 km (0.045 R)
• M19: 44,241,027 km (0.057 R)
• M20: 46,994,675 km (0.106 R)
• M21: 48,095,715 km (0.115 R)
• M22: 52,503,916 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 351

Radius: 3.5

Gravity: 28.65 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.37 AU - 9.11 AU

Year: 15517 Days

Day: 23.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 40,392,753 km

• M1: 43,832 km (0.094 R)
• M2: 169,943 km (0.062 R)
• M3: 328,367 km (0.069 R)
• M4: 1,270,535 km (0.086 R)
• M5: 1,544,299 km (0.116 R)
• M6: 1,806,843 km (0.083 R)
• M7: 2,027,051 km (0.057 R)
• M8: 3,306,263 km (0.072 R)
• M9: 3,506,574 km (0.11 R)
• M10: 4,300,789 km (0.06 R)
• M11: 5,141,679 km (0.063 R)
• M12: 5,759,668 km (0.091 R)
• M13: 6,464,274 km (0.106 R)
• M14: 8,682,960 km (0.049 R)
• M15: 10,432,806 km (0.094 R)
• M16: 11,083,108 km (0.061 R)
• M17: 11,249,760 km (0.096 R)
• M18: 11,418,207 km (0.115 R)
• M19: 11,991,616 km (0.116 R)
• M20: 13,826,733 km (0.088 R)
• M21: 15,981,690 km (0.12 R)
• M22: 19,056,226 km (0.12 R)
• M23: 20,605,910 km (0.097 R)
• M24: 21,197,420 km (0.107 R)
• M25: 24,701,451 km (0.105 R)
• M26: 29,201,804 km (0.031 R)
• M27: 34,454,334 km (0.072 R)
• M28: 38,496,469 km (0.046 R)
• M29: 41,226,630 km (0.114 R)
• M30: 41,760,844 km (0.063 R)
• M31: 45,915,775 km (0.088 R)
• M32: 46,058,791 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.1

Radius: 7.8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.82 AU - 9.16 AU

Year: 17683 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,392,753 km

• M1: 96,939 km (0.112 R)
• M2: 574,605 km (0.065 R)
• M3: 821,741 km (0.077 R)
• M4: 1,120,937 km (0.041 R)
• M5: 1,780,663 km (0.068 R)
• M6: 2,105,141 km (0.068 R)
• M7: 2,414,510 km (0.096 R)
• M8: 3,345,756 km (0.098 R)
• M9: 3,768,969 km (0.116 R)
• M10: 4,174,678 km (0.072 R)
• M11: 4,665,658 km (0.067 R)
• M12: 5,795,721 km (0.071 R)
• M13: 6,512,893 km (0.088 R)
• M14: 8,714,076 km (0.036 R)
• M15: 10,809,493 km (0.106 R)
• M16: 14,519,221 km (0.093 R)
• M17: 16,425,846 km (0.087 R)
• M18: 24,151,529 km (0.083 R)
• M19: 25,371,350 km (0.097 R)
• M20: 26,176,935 km (0.038 R)
• M21: 28,122,904 km (0.094 R)
• M22: 31,782,816 km (0.03 R)
• M23: 32,092,782 km (0.095 R)
• M24: 32,509,113 km (0.093 R)
• M25: 33,034,800 km (0.08 R)
• M26: 38,723,858 km (0.084 R)
• M27: 39,671,710 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 16,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit