🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.3

Radius: 11.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.61 AU - 0.81 AU

Year: 421 Days

Day: 6 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,204,013 km

• M1: 145,858 km (0.098 R)
• M2: 521,199 km (0.111 R)
• M3: 1,022,202 km (0.105 R)
• M4: 1,546,992 km (0.075 R)
• M5: 2,348,387 km (0.119 R)
• M6: 4,040,788 km (0.097 R)
• M7: 4,504,541 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303

Radius: 12.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.52 AU - 2.02 AU

Year: 1655 Days

Day: 14.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,204,013 km

• M1: 159,172 km (0.085 R)
• M2: 644,617 km (0.056 R)
• M3: 1,194,838 km (0.113 R)
• M4: 1,811,481 km (0.103 R)
• M5: 2,503,072 km (0.082 R)
• M6: 3,043,868 km (0.075 R)
• M7: 4,737,017 km (0.036 R)
• M8: 6,033,282 km (0.115 R)
• M9: 6,544,757 km (0.097 R)
• M10: 7,036,934 km (0.105 R)
• M11: 7,706,086 km (0.076 R)
• M12: 8,581,233 km (0.105 R)
• M13: 10,062,701 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.4

Radius: 8.2

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.12 AU - 2.8 AU

Year: 2712 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,204,013 km

• M1: 102,026 km (0.12 R)
• M2: 417,079 km (0.102 R)
• M3: 801,994 km (0.081 R)
• M4: 1,446,462 km (0.059 R)
• M5: 2,069,537 km (0.103 R)
• M6: 2,356,017 km (0.113 R)
• M7: 3,434,767 km (0.117 R)
• M8: 3,980,500 km (0.07 R)
• M9: 4,812,264 km (0.073 R)
• M10: 5,073,462 km (0.101 R)
• M11: 5,369,068 km (0.077 R)
• M12: 6,242,420 km (0.115 R)
• M13: 6,786,358 km (0.034 R)
• M14: 7,392,828 km (0.107 R)
• M15: 8,574,800 km (0.072 R)
• M16: 11,350,140 km (0.095 R)
• M17: 13,991,440 km (0.093 R)
• M18: 14,378,599 km (0.086 R)
• M19: 16,156,869 km (0.087 R)
• M20: 17,681,571 km (0.047 R)
• M21: 19,658,955 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 10.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.38 AU - 2.8 AU

Year: 2930 Days

Day: 9.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,204,013 km

• M1: 132,693 km (0.104 R)
• M2: 625,917 km (0.096 R)
• M3: 1,012,927 km (0.08 R)
• M4: 1,369,868 km (0.115 R)
• M5: 2,078,812 km (0.101 R)
• M6: 3,030,703 km (0.09 R)
• M7: 5,927,367 km (0.084 R)
• M8: 8,199,010 km (0.114 R)
• M9: 8,622,522 km (0.066 R)
• M10: 10,596,466 km (0.12 R)
• M11: 11,270,853 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.12 AU - 5.98 AU

Year: 7977 Days

Day: 8.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 75,204,013 km

• M1: 104,719 km (0.073 R)
• M2: 376,239 km (0.087 R)
• M3: 696,528 km (0.047 R)
• M4: 1,080,695 km (0.082 R)
• M5: 1,800,560 km (0.099 R)
• M6: 2,695,754 km (0.075 R)
• M7: 3,119,116 km (0.057 R)
• M8: 3,836,737 km (0.119 R)
• M9: 4,347,913 km (0.082 R)
• M10: 4,606,866 km (0.063 R)
• M11: 5,535,720 km (0.069 R)
• M12: 7,610,193 km (0.091 R)
• M13: 8,103,118 km (0.1 R)
• M14: 8,820,590 km (0.056 R)
• M15: 9,493,331 km (0.112 R)
• M16: 10,245,210 km (0.07 R)
• M17: 11,421,947 km (0.109 R)
• M18: 15,610,837 km (0.104 R)
• M19: 16,469,080 km (0.107 R)
• M20: 20,505,679 km (0.067 R)
• M21: 21,684,062 km (0.104 R)
• M22: 24,014,348 km (0.101 R)
• M23: 24,908,943 km (0.064 R)
• M24: 25,489,832 km (0.072 R)
• M25: 25,994,724 km (0.036 R)
• M26: 26,249,789 km (0.076 R)
• M27: 29,811,116 km (0.049 R)
• M28: 30,560,152 km (0.077 R)
• M29: 30,844,239 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.6

Radius: 4.3

Gravity: 42.27 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.46 AU - 7.66 AU

Year: 11810 Days

Day: 22.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 75,204,013 km

• M1: 54,304 km (0.088 R)
• M2: 261,647 km (0.093 R)
• M3: 521,199 km (0.083 R)
• M4: 937,530 km (0.092 R)
• M5: 1,851,423 km (0.083 R)
• M6: 2,512,795 km (0.101 R)
• M7: 2,817,227 km (0.068 R)
• M8: 3,194,663 km (0.113 R)
• M9: 3,344,560 km (0.096 R)
• M10: 3,578,381 km (0.111 R)
• M11: 5,250,885 km (0.08 R)
• M12: 7,339,870 km (0.086 R)
• M13: 8,711,383 km (0.065 R)
• M14: 9,054,411 km (0.098 R)
• M15: 9,663,274 km (0.034 R)
• M16: 10,299,065 km (0.106 R)
• M17: 10,572,082 km (0.097 R)
• M18: 11,018,781 km (0.098 R)
• M19: 11,536,240 km (0.03 R)
• M20: 11,830,648 km (0.1 R)
• M21: 13,572,865 km (0.093 R)
• M22: 14,641,443 km (0.117 R)
• M23: 19,148,677 km (0.081 R)
• M24: 20,064,366 km (0.038 R)
• M25: 21,008,927 km (0.071 R)
• M26: 22,618,001 km (0.066 R)
• M27: 22,893,860 km (0.114 R)
• M28: 23,924,888 km (0.041 R)
• M29: 26,179,777 km (0.119 R)
• M30: 26,790,435 km (0.063 R)
• M31: 45,170,628 km (0.026 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134

Radius: 4

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.3 AU - 8.1 AU

Year: 12190 Days

Day: 21.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,204,013 km

• M1: 557,102 km (0.093 R)
• M2: 905,666 km (0.062 R)
• M3: 1,050,177 km (0.092 R)
• M4: 1,553,723 km (0.041 R)
• M5: 2,063,553 km (0.119 R)
• M6: 2,348,537 km (0.117 R)
• M7: 4,230,478 km (0.065 R)
• M8: 5,440,276 km (0.105 R)
• M9: 6,235,389 km (0.069 R)
• M10: 7,000,881 km (0.067 R)
• M11: 8,167,296 km (0.063 R)
• M12: 10,106,533 km (0.114 R)
• M13: 13,966,756 km (0.071 R)
• M14: 16,526,526 km (0.113 R)
• M15: 17,402,272 km (0.114 R)
• M16: 19,657,310 km (0.062 R)
• M17: 26,719,526 km (0.102 R)
• M18: 27,489,656 km (0.078 R)
• M19: 27,662,741 km (0.043 R)
• M20: 27,923,789 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.5

Radius: 3.1

Gravity: 63.53 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 6.84 AU - 9.72 AU

Year: 16748 Days

Day: 19.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,204,013 km

• M1: 46,675 km (0.095 R)
• M2: 240,853 km (0.086 R)
• M3: 850,464 km (0.116 R)
• M4: 1,194,539 km (0.049 R)
• M5: 4,357,487 km (0.114 R)
• M6: 4,752,874 km (0.094 R)
• M7: 5,135,844 km (0.085 R)
• M8: 5,390,011 km (0.106 R)
• M9: 6,660,097 km (0.098 R)
• M10: 7,006,267 km (0.106 R)
• M11: 7,687,386 km (0.068 R)
• M12: 11,033,292 km (0.087 R)
• M13: 11,152,970 km (0.091 R)
• M14: 12,723,598 km (0.114 R)
• M15: 14,795,678 km (0.114 R)
• M16: 18,900,345 km (0.12 R)
• M17: 32,582,566 km (0.096 R)
• M18: 33,201,303 km (0.107 R)
• M19: 36,016,735 km (0.073 R)
• M20: 38,025,086 km (0.037 R)
• M21: 44,344,100 km (0.103 R)
• M22: 49,843,617 km (0.078 R)
• M23: 50,499,604 km (0.103 R)
• M24: 52,164,927 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.9

Radius: 6.4

Gravity: 14.06 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 8.69 AU - 10.83 AU

Year: 21433 Days

Day: 21.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,204,013 km

• M1: 82,578 km (0.05 R)
• M2: 333,154 km (0.118 R)
• M3: 698,772 km (0.072 R)
• M4: 1,005,597 km (0.053 R)
• M5: 1,430,754 km (0.072 R)
• M6: 1,911,861 km (0.107 R)
• M7: 2,803,913 km (0.101 R)
• M8: 4,467,740 km (0.048 R)
• M9: 4,851,609 km (0.101 R)
• M10: 5,144,372 km (0.045 R)
• M11: 5,846,584 km (0.117 R)
• M12: 6,392,167 km (0.054 R)
• M13: 6,655,160 km (0.027 R)
• M14: 10,044,899 km (0.119 R)
• M15: 11,327,252 km (0.087 R)
• M16: 13,343,382 km (0.115 R)
• M17: 14,065,491 km (0.106 R)
• M18: 14,361,396 km (0.093 R)
• M19: 24,015,096 km (0.112 R)
• M20: 24,438,159 km (0.106 R)
• M21: 27,309,690 km (0.092 R)
• M22: 28,353,883 km (0.075 R)
• M23: 29,064,772 km (0.098 R)
• M24: 29,424,555 km (0.114 R)
• M25: 31,393,861 km (0.036 R)
• M26: 37,400,814 km (0.059 R)
• M27: 37,826,570 km (0.098 R)
• M28: 43,658,792 km (0.106 R)
• M29: 46,541,842 km (0.047 R)
• M30: 48,197,143 km (0.108 R)
• M31: 52,506,160 km (0.058 R)
• M32: 57,252,900 km (0.103 R)
• M33: 60,897,104 km (0.112 R)
• M34: 68,220,369 km (0.109 R)
• M35: 69,068,589 km (0.076 R)
• M36: 69,495,392 km (0.03 R)
• M37: 70,786,122 km (0.097 R)
• M38: 74,529,958 km (0.07 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 11,370 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit