🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43

Radius: 14

Gravity: 0.22 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.56 AU - 0.66 AU

Year: 335 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 27,789,474 km

• M1: 174,132 km (0.066 R)
• M2: 969,693 km (0.082 R)
• M3: 1,408,464 km (0.1 R)
• M4: 1,915,002 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.8

Radius: 8.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.23 AU - 1.97 AU

Year: 1423 Days

Day: 11.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,789,474 km

• M1: 103,522 km (0.089 R)
• M2: 415,583 km (0.117 R)
• M3: 1,124,527 km (0.118 R)
• M4: 1,832,724 km (0.11 R)
• M5: 2,188,916 km (0.044 R)
• M6: 2,844,005 km (0.083 R)
• M7: 3,236,101 km (0.106 R)
• M8: 3,759,394 km (0.077 R)
• M9: 4,460,560 km (0.096 R)
• M10: 4,908,306 km (0.064 R)
• M11: 5,246,098 km (0.099 R)
• M12: 6,295,078 km (0.112 R)
• M13: 6,735,345 km (0.079 R)
• M14: 7,131,929 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.3

Radius: 11.9

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.62 AU - 2 AU

Year: 1712 Days

Day: 14.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,789,474 km

• M1: 152,141 km (0.054 R)
• M2: 811,269 km (0.069 R)
• M3: 1,216,979 km (0.039 R)
• M4: 1,630,617 km (0.065 R)
• M5: 2,187,121 km (0.087 R)
• M6: 2,681,841 km (0.113 R)
• M7: 3,430,130 km (0.078 R)
• M8: 4,470,433 km (0.091 R)
• M9: 4,967,098 km (0.108 R)
• M10: 5,805,145 km (0.06 R)
• M11: 6,761,525 km (0.098 R)
• M12: 7,333,437 km (0.071 R)
• M13: 8,637,033 km (0.109 R)
• M14: 9,377,094 km (0.079 R)
• M15: 11,621,959 km (0.068 R)
• M16: 12,087,059 km (0.061 R)
• M17: 14,961,582 km (0.115 R)
• M18: 15,652,276 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.4

Radius: 8.1

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.14 AU - 3.08 AU

Year: 2964 Days

Day: 12.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 27,789,474 km

• M1: 100,679 km (0.096 R)
• M2: 474,076 km (0.098 R)
• M3: 739,013 km (0.041 R)
• M4: 1,186,910 km (0.076 R)
• M5: 1,464,114 km (0.09 R)
• M6: 1,719,029 km (0.087 R)
• M7: 2,126,833 km (0.058 R)
• M8: 2,442,784 km (0.063 R)
• M9: 3,270,060 km (0.028 R)
• M10: 3,583,767 km (0.107 R)
• M11: 3,860,672 km (0.105 R)
• M12: 4,457,418 km (0.042 R)
• M13: 5,709,702 km (0.104 R)
• M14: 6,218,484 km (0.111 R)
• M15: 6,953,010 km (0.097 R)
• M16: 7,355,877 km (0.09 R)
• M17: 8,145,604 km (0.084 R)
• M18: 8,757,609 km (0.076 R)
• M19: 9,091,811 km (0.106 R)
• M20: 9,857,153 km (0.105 R)
• M21: 10,109,525 km (0.077 R)
• M22: 10,740,230 km (0.109 R)
• M23: 13,177,478 km (0.077 R)
• M24: 14,020,462 km (0.045 R)
• M25: 14,946,174 km (0.113 R)
• M26: 16,359,874 km (0.063 R)
• M27: 17,228,888 km (0.12 R)
• M28: 17,807,383 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.3

Radius: 9.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.85 AU - 3.75 AU

Year: 4214 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,789,474 km

• M1: 120,576 km (0.08 R)
• M2: 474,225 km (0.101 R)
• M3: 850,913 km (0.114 R)
• M4: 1,196,334 km (0.117 R)
• M5: 1,765,704 km (0.119 R)
• M6: 3,823,273 km (0.083 R)
• M7: 4,320,686 km (0.066 R)
• M8: 5,109,216 km (0.079 R)
• M9: 6,132,914 km (0.097 R)
• M10: 7,417,212 km (0.06 R)
• M11: 8,227,284 km (0.103 R)
• M12: 8,872,650 km (0.099 R)
• M13: 9,207,749 km (0.097 R)
• M14: 9,824,541 km (0.08 R)
• M15: 10,468,560 km (0.119 R)
• M16: 11,183,488 km (0.1 R)
• M17: 12,156,473 km (0.046 R)
• M18: 12,898,777 km (0.101 R)
• M19: 13,621,933 km (0.049 R)
• M20: 14,782,813 km (0.036 R)
• M21: 15,899,411 km (0.106 R)
• M22: 17,766,094 km (0.055 R)
• M23: 18,120,491 km (0.063 R)
• M24: 21,593,555 km (0.108 R)
• M25: 23,099,108 km (0.101 R)
• M26: 23,877,615 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.8

Radius: 11.4

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.73 AU - 4.69 AU

Year: 6072 Days

Day: 8.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,789,474 km

• M1: 142,567 km (0.112 R)
• M2: 619,485 km (0.031 R)
• M3: 1,367,624 km (0.037 R)
• M4: 1,888,972 km (0.037 R)
• M5: 2,330,585 km (0.113 R)
• M6: 2,821,416 km (0.118 R)
• M7: 3,514,652 km (0.114 R)
• M8: 4,266,082 km (0.119 R)
• M9: 8,096,386 km (0.09 R)
• M10: 8,462,901 km (0.086 R)
• M11: 10,181,033 km (0.084 R)
• M12: 10,802,313 km (0.106 R)
• M13: 12,068,210 km (0.07 R)
• M14: 13,150,251 km (0.101 R)
• M15: 14,772,042 km (0.101 R)
• M16: 15,197,648 km (0.119 R)
• M17: 15,631,332 km (0.07 R)
• M18: 17,048,323 km (0.086 R)
• M19: 18,973,498 km (0.068 R)
• M20: 19,841,465 km (0.109 R)
• M21: 21,734,327 km (0.104 R)
• M22: 22,285,296 km (0.118 R)
• M23: 24,161,402 km (0.089 R)
• M24: 24,837,884 km (0.112 R)
• M25: 27,763,121 km (0.035 R)
• M26: 30,224,006 km (0.101 R)
• M27: 30,811,925 km (0.103 R)
• M28: 32,010,653 km (0.105 R)
• M29: 35,358,953 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.9

Radius: 9.3

Gravity: 9.41 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.72 AU - 5.94 AU

Year: 7462 Days

Day: 6.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,789,474 km

• M1: 115,789 km (0.075 R)
• M2: 424,409 km (0.111 R)
• M3: 917,334 km (0.087 R)
• M4: 1,206,806 km (0.066 R)
• M5: 1,840,802 km (0.065 R)
• M6: 2,157,650 km (0.11 R)
• M7: 2,605,247 km (0.085 R)
• M8: 3,135,721 km (0.083 R)
• M9: 4,664,462 km (0.097 R)
• M10: 5,321,795 km (0.046 R)
• M11: 5,640,438 km (0.116 R)
• M12: 6,386,782 km (0.08 R)
• M13: 10,480,378 km (0.056 R)
• M14: 10,830,287 km (0.042 R)
• M15: 11,606,551 km (0.114 R)
• M16: 14,524,158 km (0.09 R)
• M17: 16,518,597 km (0.11 R)
• M18: 21,121,873 km (0.118 R)
• M19: 22,745,309 km (0.115 R)
• M20: 23,844,255 km (0.108 R)
• M21: 30,782,754 km (0.115 R)
• M22: 31,398,050 km (0.088 R)
• M23: 33,833,204 km (0.116 R)
• M24: 39,195,839 km (0.057 R)
• M25: 40,283,565 km (0.098 R)
• M26: 41,143,454 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.9

Radius: 8.4

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.12 AU - 5.2 AU

Year: 8239 Days

Day: 9.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 27,789,474 km

• M1: 104,569 km (0.117 R)
• M2: 584,628 km (0.112 R)
• M3: 849,417 km (0.074 R)
• M4: 1,152,801 km (0.11 R)
• M5: 1,529,040 km (0.085 R)
• M6: 2,034,830 km (0.098 R)
• M7: 2,707,572 km (0.044 R)
• M8: 4,023,884 km (0.037 R)
• M9: 4,867,316 km (0.045 R)
• M10: 7,893,980 km (0.062 R)
• M11: 9,255,471 km (0.106 R)
• M12: 12,267,624 km (0.081 R)
• M13: 12,893,691 km (0.12 R)
• M14: 13,842,141 km (0.111 R)
• M15: 18,618,053 km (0.052 R)
• M16: 21,090,308 km (0.114 R)
• M17: 22,996,933 km (0.095 R)
• M18: 24,746,031 km (0.084 R)
• M19: 25,378,531 km (0.115 R)
• M20: 27,245,363 km (0.099 R)
• M21: 28,506,772 km (0.103 R)
• M22: 31,565,600 km (0.06 R)
• M23: 33,283,282 km (0.082 R)
• M24: 33,943,158 km (0.112 R)
• M25: 36,786,864 km (0.114 R)
• M26: 38,567,378 km (0.051 R)
• M27: 41,661,062 km (0.088 R)
• M28: 42,043,135 km (0.114 R)
• M29: 42,943,565 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.9

Radius: 5.5

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.16 AU - 8.4 AU

Year: 12409 Days

Day: 19.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,789,474 km

• M1: 68,516 km (0.075 R)
• M2: 262,544 km (0.111 R)
• M3: 653,443 km (0.115 R)
• M4: 1,118,842 km (0.112 R)
• M5: 1,982,770 km (0.107 R)
• M6: 2,167,075 km (0.101 R)
• M7: 6,200,682 km (0.118 R)
• M8: 6,462,927 km (0.119 R)
• M9: 8,273,510 km (0.087 R)
• M10: 8,591,555 km (0.072 R)
• M11: 11,732,363 km (0.098 R)
• M12: 12,441,157 km (0.087 R)
• M13: 13,502,704 km (0.079 R)
• M14: 14,337,460 km (0.087 R)
• M15: 15,865,004 km (0.081 R)
• M16: 21,837,549 km (0.081 R)
• M17: 24,093,186 km (0.03 R)
• M18: 28,160,004 km (0.1 R)
• M19: 29,519,101 km (0.098 R)
• M20: 30,449,001 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.3

Radius: 7.7

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.15 AU - 8.07 AU

Year: 14757 Days

Day: 17.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,789,474 km

• M1: 96,491 km (0.119 R)
• M2: 415,433 km (0.063 R)
• M3: 1,366,427 km (0.104 R)
• M4: 5,305,788 km (0.1 R)
• M5: 5,754,581 km (0.05 R)
• M6: 6,568,992 km (0.097 R)
• M7: 12,348,855 km (0.028 R)
• M8: 15,198,246 km (0.098 R)
• M9: 17,465,851 km (0.054 R)
• M10: 27,458,540 km (0.065 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 - 11,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit