🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.3

Radius: 13.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.75 AU - 0.77 AU

Year: 435 Days

Day: 13.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 94,303,127 km

• M1: 171,589 km (0.075 R)
• M2: 632,350 km (0.109 R)
• M3: 1,085,632 km (0.037 R)
• M4: 1,742,366 km (0.068 R)
• M5: 3,241,786 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.3

Radius: 14.8

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.93 AU - 1.11 AU

Year: 676 Days

Day: 6.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 94,303,127 km

• M1: 184,155 km (0.108 R)
• M2: 1,136,345 km (0.098 R)
• M3: 1,633,459 km (0.119 R)
• M4: 2,541,069 km (0.09 R)
• M5: 3,340,221 km (0.109 R)
• M6: 3,820,879 km (0.113 R)
• M7: 5,024,693 km (0.08 R)
• M8: 5,883,385 km (0.054 R)
• M9: 6,388,278 km (0.109 R)
• M10: 7,135,370 km (0.102 R)
• M11: 7,597,777 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.8

Radius: 8.1

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.55 AU - 1.97 AU

Year: 1532 Days

Day: 7.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 94,303,127 km

• M1: 101,128 km (0.074 R)
• M2: 401,221 km (0.075 R)
• M3: 778,807 km (0.117 R)
• M4: 1,361,789 km (0.072 R)
• M5: 1,655,001 km (0.113 R)
• M6: 2,022,264 km (0.064 R)
• M7: 2,467,617 km (0.103 R)
• M8: 2,963,085 km (0.098 R)
• M9: 3,354,283 km (0.11 R)
• M10: 3,996,806 km (0.09 R)
• M11: 4,275,956 km (0.045 R)
• M12: 5,091,115 km (0.066 R)
• M13: 6,349,682 km (0.081 R)
• M14: 7,177,556 km (0.109 R)
• M15: 7,857,778 km (0.063 R)
• M16: 9,808,235 km (0.048 R)
• M17: 10,350,377 km (0.097 R)
• M18: 12,097,232 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 10.4

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.03 AU - 2.77 AU

Year: 2439 Days

Day: 11.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 94,303,127 km

• M1: 146,756 km (0.083 R)
• M2: 692,189 km (0.108 R)
• M3: 1,019,360 km (0.118 R)
• M4: 1,463,516 km (0.111 R)
• M5: 2,284,210 km (0.09 R)
• M6: 2,925,386 km (0.094 R)
• M7: 3,350,992 km (0.117 R)
• M8: 3,701,799 km (0.035 R)
• M9: 4,180,213 km (0.115 R)
• M10: 6,519,625 km (0.099 R)
• M11: 11,740,590 km (0.095 R)
• M12: 14,393,410 km (0.089 R)
• M13: 15,885,050 km (0.091 R)
• M14: 17,258,957 km (0.029 R)
• M15: 19,114,868 km (0.065 R)
• M16: 19,525,065 km (0.12 R)
• M17: 20,181,501 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.4

Radius: 10.2

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.16 AU - 3.56 AU

Year: 3173 Days

Day: 11.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 94,303,127 km

• M1: 127,158 km (0.115 R)
• M2: 711,787 km (0.12 R)
• M3: 1,067,830 km (0.048 R)
• M4: 1,391,111 km (0.085 R)
• M5: 1,780,963 km (0.106 R)
• M6: 2,257,731 km (0.105 R)
• M7: 2,802,118 km (0.116 R)
• M8: 3,176,412 km (0.111 R)
• M9: 5,870,520 km (0.093 R)
• M10: 7,461,343 km (0.064 R)
• M11: 8,050,460 km (0.115 R)
• M12: 8,425,502 km (0.099 R)
• M13: 9,028,231 km (0.097 R)
• M14: 11,176,607 km (0.1 R)
• M15: 11,904,400 km (0.09 R)
• M16: 14,081,648 km (0.08 R)
• M17: 14,930,615 km (0.108 R)
• M18: 15,866,500 km (0.093 R)
• M19: 17,230,384 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.3

Radius: 3.3

Gravity: 75.51 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 5.4 AU - 7.12 AU

Year: 10275 Days

Day: 24.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 94,303,127 km

• M1: 40,990 km (0.034 R)
• M2: 249,380 km (0.037 R)
• M3: 390,899 km (0.09 R)
• M4: 521,049 km (0.108 R)
• M5: 822,040 km (0.073 R)
• M6: 1,292,077 km (0.034 R)
• M7: 1,398,890 km (0.091 R)
• M8: 1,692,102 km (0.068 R)
• M9: 1,869,973 km (0.098 R)
• M10: 2,187,869 km (0.093 R)
• M11: 2,359,906 km (0.049 R)
• M12: 3,021,877 km (0.118 R)
• M13: 4,104,666 km (0.12 R)
• M14: 4,396,233 km (0.093 R)
• M15: 4,827,374 km (0.108 R)
• M16: 5,020,505 km (0.036 R)
• M17: 5,152,151 km (0.078 R)
• M18: 6,481,029 km (0.084 R)
• M19: 6,597,864 km (0.072 R)
• M20: 6,716,196 km (0.11 R)
• M21: 7,079,420 km (0.098 R)
• M22: 11,405,192 km (0.114 R)
• M23: 14,472,996 km (0.092 R)
• M24: 19,710,866 km (0.072 R)
• M25: 22,082,291 km (0.105 R)
• M26: 22,793,330 km (0.08 R)
• M27: 29,356,787 km (0.06 R)
• M28: 30,215,778 km (0.073 R)
• M29: 33,123,063 km (0.057 R)
• M30: 34,644,324 km (0.083 R)
• M31: 34,763,254 km (0.111 R)
• M32: 38,713,835 km (0.118 R)
• M33: 40,532,346 km (0.06 R)
• M34: 40,796,835 km (0.098 R)
• M35: 47,491,639 km (0.107 R)
• M36: 48,525,211 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.4

Radius: 7

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.54 AU - 7.76 AU

Year: 12542 Days

Day: 23.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 94,303,127 km

• M1: 87,216 km (0.12 R)
• M2: 331,509 km (0.086 R)
• M3: 1,246,150 km (0.058 R)
• M4: 1,609,972 km (0.104 R)
• M5: 1,832,724 km (0.118 R)
• M6: 2,268,801 km (0.115 R)
• M7: 2,855,674 km (0.064 R)
• M8: 3,946,093 km (0.078 R)
• M9: 4,944,658 km (0.107 R)
• M10: 5,194,786 km (0.081 R)
• M11: 6,993,700 km (0.073 R)
• M12: 7,229,616 km (0.113 R)
• M13: 7,969,378 km (0.096 R)
• M14: 10,800,817 km (0.106 R)
• M15: 11,276,538 km (0.088 R)
• M16: 12,156,622 km (0.113 R)
• M17: 12,383,712 km (0.096 R)
• M18: 13,744,454 km (0.069 R)
• M19: 15,399,455 km (0.073 R)
• M20: 16,829,760 km (0.108 R)
• M21: 17,541,248 km (0.108 R)
• M22: 18,272,333 km (0.065 R)
• M23: 20,189,130 km (0.061 R)
• M24: 20,910,940 km (0.095 R)
• M25: 22,575,964 km (0.066 R)
• M26: 22,833,123 km (0.11 R)
• M27: 30,435,088 km (0.114 R)
• M28: 32,026,511 km (0.106 R)
• M29: 42,104,171 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.5

Radius: 3.4

Gravity: 79.28 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.54 AU - 8.74 AU

Year: 16660 Days

Day: 22.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 94,303,127 km

• M1: 96,341 km (0.106 R)
• M2: 357,689 km (0.115 R)
• M3: 1,042,398 km (0.086 R)
• M4: 1,723,667 km (0.092 R)
• M5: 3,799,936 km (0.107 R)
• M6: 4,242,895 km (0.081 R)
• M7: 4,897,834 km (0.087 R)
• M8: 5,306,386 km (0.049 R)
• M9: 8,401,416 km (0.1 R)
• M10: 11,402,350 km (0.084 R)
• M11: 15,124,046 km (0.057 R)
• M12: 17,552,318 km (0.106 R)
• M13: 23,887,040 km (0.094 R)
• M14: 27,045,500 km (0.099 R)
• M15: 29,378,778 km (0.113 R)
• M16: 38,454,282 km (0.078 R)
• M17: 40,945,835 km (0.096 R)
• M18: 48,390,124 km (0.104 R)
• M19: 48,725,522 km (0.113 R)
• M20: 52,694,204 km (0.04 R)
• M21: 57,433,914 km (0.115 R)
• M22: 58,376,679 km (0.055 R)
• M23: 70,508,468 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.8

Radius: 3.3

Gravity: 56.36 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 8.4 AU - 10.68 AU

Year: 19330 Days

Day: 20 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 94,303,127 km

• M1: 40,990 km (0.091 R)
• M2: 152,889 km (0.118 R)
• M3: 374,892 km (0.109 R)
• M4: 524,939 km (0.099 R)
• M5: 685,906 km (0.054 R)
• M6: 1,160,879 km (0.082 R)
• M7: 1,286,242 km (0.056 R)
• M8: 1,717,533 km (0.056 R)
• M9: 3,193,466 km (0.093 R)
• M10: 4,593,403 km (0.11 R)
• M11: 5,699,380 km (0.046 R)
• M12: 6,063,052 km (0.111 R)
• M13: 6,659,200 km (0.107 R)
• M14: 9,325,782 km (0.118 R)
• M15: 11,326,055 km (0.1 R)
• M16: 11,834,987 km (0.082 R)
• M17: 13,174,037 km (0.081 R)
• M18: 14,388,922 km (0.114 R)
• M19: 14,985,518 km (0.119 R)
• M20: 16,630,197 km (0.11 R)
• M21: 17,204,054 km (0.113 R)
• M22: 18,652,461 km (0.072 R)
• M23: 18,828,089 km (0.1 R)
• M24: 20,832,850 km (0.106 R)
• M25: 24,099,768 km (0.075 R)
• M26: 26,457,580 km (0.065 R)
• M27: 29,436,822 km (0.105 R)
• M28: 31,253,389 km (0.078 R)
• M29: 34,841,643 km (0.071 R)
• M30: 37,986,789 km (0.109 R)
• M31: 41,019,138 km (0.099 R)
• M32: 41,316,090 km (0.033 R)
• M33: 47,723,815 km (0.029 R)
• M34: 51,248,191 km (0.118 R)
• M35: 54,047,018 km (0.06 R)
• M36: 57,500,934 km (0.097 R)
• M37: 58,621,571 km (0.115 R)
• M38: 67,493,323 km (0.058 R)
• M39: 71,064,823 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.3

Radius: 4.9

Gravity: 36.91 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 10.03 AU - 12.17 AU

Year: 24260 Days

Day: 23.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 94,303,127 km

• M1: 74,201 km (0.103 R)
• M2: 232,026 km (0.099 R)
• M3: 418,724 km (0.093 R)
• M4: 629,059 km (0.059 R)
• M5: 1,331,421 km (0.11 R)
• M6: 1,533,528 km (0.118 R)
• M7: 2,196,994 km (0.074 R)
• M8: 2,895,766 km (0.119 R)
• M9: 3,266,320 km (0.057 R)
• M10: 4,348,960 km (0.106 R)
• M11: 5,397,192 km (0.099 R)
• M12: 5,913,305 km (0.11 R)
• M13: 6,603,848 km (0.07 R)
• M14: 7,711,770 km (0.071 R)
• M15: 8,821,637 km (0.066 R)
• M16: 9,475,529 km (0.118 R)
• M17: 12,415,726 km (0.08 R)
• M18: 12,858,685 km (0.046 R)
• M19: 15,655,118 km (0.073 R)
• M20: 15,912,127 km (0.079 R)
• M21: 20,113,434 km (0.065 R)
• M22: 21,347,167 km (0.048 R)
• M23: 25,349,509 km (0.107 R)
• M24: 26,909,665 km (0.109 R)
• M25: 28,660,110 km (0.09 R)
• M26: 31,835,025 km (0.119 R)
• M27: 33,648,899 km (0.102 R)
• M28: 34,798,709 km (0.117 R)
• M29: 38,250,081 km (0.083 R)
• M30: 41,267,919 km (0.119 R)
• M31: 41,430,981 km (0.08 R)
• M32: 60,633,812 km (0.101 R)
• M33: 61,267,658 km (0.114 R)
• M34: 62,763,936 km (0.048 R)
• M35: 64,284,299 km (0.078 R)
• M36: 71,548,473 km (0.057 R)
• M37: 78,587,053 km (0.097 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: 321 - 15,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit