🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 14.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.73 AU - 0.99 AU

Year: 551 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,799,292 km

• M1: 176,525 km (0.116 R)
• M2: 771,925 km (0.085 R)
• M3: 1,237,623 km (0.045 R)
• M4: 1,689,858 km (0.11 R)
• M5: 2,288,399 km (0.06 R)
• M6: 2,828,297 km (0.052 R)
• M7: 3,375,676 km (0.069 R)
• M8: 4,220,306 km (0.083 R)
• M9: 4,755,866 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722

Radius: 13

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1 AU - 1.06 AU

Year: 722 Days

Day: 5.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,799,292 km

• M1: 161,715 km (0.075 R)
• M2: 602,431 km (0.114 R)
• M3: 1,192,145 km (0.075 R)
• M4: 1,926,222 km (0.079 R)
• M5: 2,492,151 km (0.1 R)
• M6: 3,142,303 km (0.112 R)
• M7: 3,918,267 km (0.12 R)
• M8: 4,375,887 km (0.092 R)
• M9: 4,801,344 km (0.117 R)
• M10: 5,381,484 km (0.113 R)
• M11: 6,832,135 km (0.119 R)
• M12: 7,613,933 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929

Radius: 8.9

Gravity: 11.73 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.57 AU - 2.61 AU

Year: 2086 Days

Day: 6.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,799,292 km

• M1: 110,702 km (0.083 R)
• M2: 492,177 km (0.103 R)
• M3: 1,144,573 km (0.077 R)
• M4: 1,951,654 km (0.091 R)
• M5: 2,644,292 km (0.067 R)
• M6: 3,015,295 km (0.063 R)
• M7: 3,350,693 km (0.097 R)
• M8: 3,729,774 km (0.088 R)
• M9: 4,197,866 km (0.096 R)
• M10: 5,087,973 km (0.042 R)
• M11: 6,020,566 km (0.109 R)
• M12: 6,500,177 km (0.118 R)
• M13: 7,208,373 km (0.093 R)
• M14: 7,657,616 km (0.049 R)
• M15: 8,480,105 km (0.059 R)
• M16: 8,980,809 km (0.046 R)
• M17: 9,536,565 km (0.115 R)
• M18: 12,409,443 km (0.087 R)
• M19: 13,186,903 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.6

Radius: 14.8

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.81 AU - 3.81 AU

Year: 4157 Days

Day: 11.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,799,292 km

• M1: 184,005 km (0.077 R)
• M2: 680,072 km (0.054 R)
• M3: 1,211,743 km (0.117 R)
• M4: 1,784,254 km (0.101 R)
• M5: 2,581,012 km (0.108 R)
• M6: 3,063,166 km (0.042 R)
• M7: 3,911,236 km (0.11 R)
• M8: 5,635,053 km (0.097 R)
• M9: 7,571,597 km (0.058 R)
• M10: 8,175,524 km (0.115 R)
• M11: 9,336,553 km (0.11 R)
• M12: 14,758,428 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.3

Radius: 12.7

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.57 AU - 3.95 AU

Year: 5033 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 59.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,799,292 km

• M1: 157,975 km (0.088 R)
• M2: 1,523,654 km (0.088 R)
• M3: 2,159,894 km (0.116 R)
• M4: 3,506,424 km (0.109 R)
• M5: 4,728,190 km (0.112 R)
• M6: 5,437,135 km (0.098 R)
• M7: 6,534,585 km (0.079 R)
• M8: 8,527,976 km (0.101 R)
• M9: 10,137,350 km (0.104 R)
• M10: 10,853,026 km (0.072 R)
• M11: 11,650,233 km (0.069 R)
• M12: 13,626,421 km (0.11 R)
• M13: 14,167,367 km (0.088 R)
• M14: 16,054,544 km (0.095 R)
• M15: 18,103,886 km (0.06 R)
• M16: 18,560,159 km (0.094 R)
• M17: 19,495,744 km (0.102 R)
• M18: 21,172,287 km (0.087 R)
• M19: 21,606,121 km (0.109 R)
• M20: 25,051,061 km (0.058 R)
• M21: 26,359,594 km (0.066 R)
• M22: 29,829,516 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 14.9

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.91 AU - 5.45 AU

Year: 6988 Days

Day: 12.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,799,292 km

• M1: 185,352 km (0.09 R)
• M2: 699,370 km (0.118 R)
• M3: 1,184,217 km (0.081 R)
• M4: 1,820,008 km (0.116 R)
• M5: 2,464,475 km (0.106 R)
• M6: 3,477,702 km (0.087 R)
• M7: 6,023,857 km (0.088 R)
• M8: 6,774,240 km (0.105 R)
• M9: 7,586,258 km (0.078 R)
• M10: 9,902,033 km (0.114 R)
• M11: 11,347,597 km (0.086 R)
• M12: 16,464,592 km (0.03 R)
• M13: 20,223,987 km (0.075 R)
• M14: 21,208,191 km (0.085 R)
• M15: 22,462,868 km (0.114 R)
• M16: 23,601,009 km (0.085 R)
• M17: 24,862,568 km (0.061 R)
• M18: 26,793,727 km (0.071 R)
• M19: 27,428,770 km (0.063 R)
• M20: 29,778,803 km (0.108 R)
• M21: 31,052,479 km (0.103 R)
• M22: 31,753,195 km (0.025 R)
• M23: 32,772,555 km (0.104 R)
• M24: 34,236,221 km (0.071 R)
• M25: 37,293,552 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.8

Radius: 7.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.97 AU - 7.19 AU

Year: 10348 Days

Day: 21.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,799,292 km

• M1: 90,806 km (0.075 R)
• M2: 490,531 km (0.074 R)
• M3: 809,474 km (0.075 R)
• M4: 1,041,650 km (0.101 R)
• M5: 1,482,216 km (0.108 R)
• M6: 1,864,588 km (0.116 R)
• M7: 2,102,748 km (0.07 R)
• M8: 2,533,739 km (0.098 R)
• M9: 3,289,208 km (0.112 R)
• M10: 5,295,615 km (0.1 R)
• M11: 5,839,852 km (0.098 R)
• M12: 7,659,860 km (0.05 R)
• M13: 8,516,008 km (0.042 R)
• M14: 9,262,651 km (0.061 R)
• M15: 10,743,670 km (0.113 R)
• M16: 11,864,906 km (0.084 R)
• M17: 13,332,910 km (0.081 R)
• M18: 13,885,375 km (0.06 R)
• M19: 15,574,036 km (0.084 R)
• M20: 17,854,955 km (0.11 R)
• M21: 18,458,283 km (0.107 R)
• M22: 20,786,923 km (0.038 R)
• M23: 26,189,351 km (0.068 R)
• M24: 29,396,281 km (0.103 R)
• M25: 31,673,908 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 252.5

Radius: 7.8

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.15 AU - 7.73 AU

Year: 11281 Days

Day: 21.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,799,292 km

• M1: 97,538 km (0.034 R)
• M2: 636,689 km (0.067 R)
• M3: 1,203,664 km (0.028 R)
• M4: 2,103,346 km (0.116 R)
• M5: 2,474,349 km (0.102 R)
• M6: 3,009,460 km (0.108 R)
• M7: 3,261,234 km (0.119 R)
• M8: 4,282,688 km (0.088 R)
• M9: 6,940,144 km (0.084 R)
• M10: 8,653,489 km (0.089 R)
• M11: 14,194,295 km (0.051 R)
• M12: 17,455,080 km (0.044 R)
• M13: 20,428,936 km (0.059 R)
• M14: 22,509,393 km (0.071 R)
• M15: 32,248,215 km (0.088 R)
• M16: 34,738,870 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.6

Radius: 6.2

Gravity: 16.25 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.29 AU - 7.49 AU

Year: 13867 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 57,799,292 km

• M1: 77,043 km (0.114 R)
• M2: 327,021 km (0.07 R)
• M3: 717,172 km (0.088 R)
• M4: 936,483 km (0.099 R)
• M5: 1,163,572 km (0.11 R)
• M6: 2,725,524 km (0.045 R)
• M7: 3,024,719 km (0.112 R)
• M8: 3,474,859 km (0.103 R)
• M9: 3,688,784 km (0.085 R)
• M10: 4,026,277 km (0.068 R)
• M11: 4,445,899 km (0.111 R)
• M12: 6,069,934 km (0.034 R)
• M13: 6,581,110 km (0.077 R)
• M14: 7,120,559 km (0.034 R)
• M15: 7,869,895 km (0.096 R)
• M16: 9,944,967 km (0.106 R)
• M17: 10,432,806 km (0.119 R)
• M18: 11,514,997 km (0.106 R)
• M19: 12,859,433 km (0.074 R)
• M20: 13,569,424 km (0.076 R)
• M21: 13,767,492 km (0.097 R)
• M22: 14,034,524 km (0.078 R)
• M23: 16,297,641 km (0.116 R)
• M24: 18,226,855 km (0.074 R)
• M25: 20,475,760 km (0.099 R)
• M26: 21,353,600 km (0.036 R)
• M27: 24,428,584 km (0.086 R)
• M28: 28,320,822 km (0.114 R)
• M29: 28,644,551 km (0.082 R)
• M30: 31,555,277 km (0.059 R)
• M31: 32,253,899 km (0.089 R)
• M32: 38,087,319 km (0.042 R)
• M33: 42,156,530 km (0.101 R)
• M34: 46,656,285 km (0.097 R)
• M35: 49,099,368 km (0.089 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 19,652 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit