🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.1

Radius: 11.8

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.05 AU - 1.23 AU

Year: 786 Days

Day: 15 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,295,585 km

• M1: 146,756 km (0.069 R)
• M2: 556,654 km (0.104 R)
• M3: 979,118 km (0.11 R)
• M4: 1,512,135 km (0.077 R)
• M5: 1,945,072 km (0.081 R)
• M6: 2,331,184 km (0.036 R)
• M7: 3,236,849 km (0.115 R)
• M8: 3,812,502 km (0.045 R)
• M9: 4,213,574 km (0.047 R)
• M10: 5,341,990 km (0.12 R)
• M11: 6,421,489 km (0.093 R)
• M12: 6,908,579 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.2

Radius: 10.7

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.47 AU - 1.63 AU

Year: 1246 Days

Day: 12.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,295,585 km

• M1: 134,638 km (0.109 R)
• M2: 598,691 km (0.12 R)
• M3: 1,110,315 km (0.095 R)
• M4: 1,700,329 km (0.093 R)
• M5: 2,202,679 km (0.1 R)
• M6: 2,625,592 km (0.035 R)
• M7: 3,273,949 km (0.104 R)
• M8: 4,393,839 km (0.077 R)
• M9: 5,087,225 km (0.104 R)
• M10: 5,441,323 km (0.103 R)
• M11: 7,633,979 km (0.069 R)
• M12: 9,250,983 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.2

Radius: 12.6

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.52 AU - 1.68 AU

Year: 1307 Days

Day: 9 Hours

Environment

Temp: -189 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,295,585 km

• M1: 156,629 km (0.071 R)
• M2: 589,416 km (0.115 R)
• M3: 1,123,779 km (0.107 R)
• M4: 1,569,581 km (0.117 R)
• M5: 2,029,894 km (0.106 R)
• M6: 2,520,275 km (0.101 R)
• M7: 3,390,785 km (0.107 R)
• M8: 4,172,135 km (0.026 R)
• M9: 5,288,883 km (0.027 R)
• M10: 6,205,020 km (0.096 R)
• M11: 6,760,926 km (0.092 R)
• M12: 7,630,987 km (0.117 R)
• M13: 8,462,752 km (0.089 R)
• M14: 9,001,902 km (0.054 R)
• M15: 10,725,270 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.4

Radius: 13.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.2 AU - 4.84 AU

Year: 6205 Days

Day: 13.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,295,585 km

• M1: 168,298 km (0.111 R)
• M2: 676,332 km (0.045 R)
• M3: 1,424,920 km (0.085 R)
• M4: 1,846,786 km (0.117 R)
• M5: 2,498,584 km (0.074 R)
• M6: 2,953,361 km (0.118 R)
• M7: 3,422,350 km (0.1 R)
• M8: 3,895,977 km (0.061 R)
• M9: 4,537,303 km (0.11 R)
• M10: 6,761,076 km (0.069 R)
• M11: 7,981,645 km (0.097 R)
• M12: 8,470,680 km (0.104 R)
• M13: 10,947,572 km (0.036 R)
• M14: 14,035,123 km (0.076 R)
• M15: 18,756,581 km (0.114 R)
• M16: 19,354,075 km (0.06 R)
• M17: 19,964,135 km (0.069 R)
• M18: 20,727,383 km (0.065 R)
• M19: 24,053,542 km (0.072 R)
• M20: 26,625,130 km (0.079 R)
• M21: 28,149,532 km (0.075 R)
• M22: 28,845,461 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.7

Radius: 4.6

Gravity: 34.72 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.97 AU - 6.37 AU

Year: 9896 Days

Day: 17.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,295,585 km

• M1: 57,296 km (0.115 R)
• M2: 633,996 km (0.092 R)
• M3: 864,227 km (0.109 R)
• M4: 1,293,872 km (0.101 R)
• M5: 1,607,429 km (0.118 R)
• M6: 1,822,102 km (0.101 R)
• M7: 2,038,271 km (0.078 R)
• M8: 2,290,194 km (0.095 R)
• M9: 2,748,711 km (0.03 R)
• M10: 3,011,106 km (0.107 R)
• M11: 3,171,774 km (0.118 R)
• M12: 3,535,596 km (0.077 R)
• M13: 3,899,568 km (0.117 R)
• M14: 5,272,876 km (0.106 R)
• M15: 6,362,098 km (0.067 R)
• M16: 8,198,263 km (0.106 R)
• M17: 8,467,090 km (0.058 R)
• M18: 8,741,752 km (0.049 R)
• M19: 8,928,300 km (0.1 R)
• M20: 9,405,966 km (0.052 R)
• M21: 10,834,027 km (0.107 R)
• M22: 12,814,703 km (0.119 R)
• M23: 13,858,597 km (0.12 R)
• M24: 16,678,218 km (0.103 R)
• M25: 18,373,461 km (0.12 R)
• M26: 19,380,703 km (0.111 R)
• M27: 20,506,128 km (0.1 R)
• M28: 24,325,811 km (0.105 R)
• M29: 29,419,917 km (0.106 R)
• M30: 32,436,558 km (0.055 R)
• M31: 36,248,910 km (0.088 R)
• M32: 37,706,143 km (0.061 R)
• M33: 39,455,092 km (0.089 R)
• M34: 39,709,259 km (0.04 R)
• M35: 40,092,529 km (0.067 R)
• M36: 42,577,798 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.3

Radius: 7.9

Gravity: 12.52 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.46 AU - 7.12 AU

Year: 10186 Days

Day: 18.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,295,585 km

• M1: 98,286 km (0.119 R)
• M2: 439,818 km (0.045 R)
• M3: 788,979 km (0.109 R)
• M4: 1,105,379 km (0.054 R)
• M5: 2,017,776 km (0.045 R)
• M6: 2,724,177 km (0.1 R)
• M7: 3,146,342 km (0.085 R)
• M8: 4,263,390 km (0.098 R)
• M9: 4,896,189 km (0.112 R)
• M10: 5,978,829 km (0.056 R)
• M11: 6,499,579 km (0.118 R)
• M12: 6,771,099 km (0.107 R)
• M13: 8,702,108 km (0.118 R)
• M14: 9,818,707 km (0.036 R)
• M15: 10,385,383 km (0.099 R)
• M16: 12,871,850 km (0.107 R)
• M17: 18,208,903 km (0.102 R)
• M18: 19,142,843 km (0.095 R)
• M19: 20,437,313 km (0.111 R)
• M20: 21,105,866 km (0.073 R)
• M21: 21,531,173 km (0.054 R)
• M22: 22,135,997 km (0.1 R)
• M23: 22,841,201 km (0.083 R)
• M24: 23,289,546 km (0.094 R)
• M25: 23,835,130 km (0.079 R)
• M26: 24,111,138 km (0.088 R)
• M27: 24,575,938 km (0.103 R)
• M28: 25,715,724 km (0.047 R)
• M29: 31,283,458 km (0.091 R)
• M30: 35,411,013 km (0.109 R)
• M31: 36,618,866 km (0.114 R)
• M32: 37,356,683 km (0.076 R)
• M33: 42,665,612 km (0.067 R)
• M34: 47,287,737 km (0.065 R)
• M35: 47,723,666 km (0.066 R)
• M36: 49,944,296 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.7

Radius: 6.8

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 9.18 AU - 10.16 AU

Year: 19416 Days

Day: 24.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,295,585 km

• M1: 87,664 km (0.054 R)
• M2: 600,635 km (0.111 R)
• M3: 1,115,103 km (0.118 R)
• M4: 1,992,644 km (0.115 R)
• M5: 2,337,168 km (0.116 R)
• M6: 2,872,429 km (0.117 R)
• M7: 6,998,338 km (0.102 R)
• M8: 7,410,630 km (0.106 R)
• M9: 10,128,225 km (0.044 R)
• M10: 15,418,155 km (0.112 R)
• M11: 21,005,187 km (0.041 R)
• M12: 24,574,293 km (0.115 R)
• M13: 27,502,222 km (0.081 R)
• M14: 28,114,526 km (0.054 R)
• M15: 34,627,718 km (0.059 R)
• M16: 38,548,679 km (0.103 R)
• M17: 44,269,451 km (0.085 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 19,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit