🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.6

Radius: 12

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.92 AU - 1.08 AU

Year: 690 Days

Day: 12.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,701,463 km

• M1: 149,448 km (0.067 R)
• M2: 931,097 km (0.095 R)
• M3: 1,372,560 km (0.11 R)
• M4: 1,760,318 km (0.079 R)
• M5: 2,174,555 km (0.068 R)
• M6: 2,902,797 km (0.054 R)
• M7: 3,356,677 km (0.113 R)
• M8: 4,300,939 km (0.113 R)
• M9: 4,695,728 km (0.081 R)
• M10: 5,080,493 km (0.115 R)
• M11: 5,595,708 km (0.094 R)
• M12: 6,009,795 km (0.066 R)
• M13: 6,836,174 km (0.108 R)
• M14: 7,668,387 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.2

Radius: 12.7

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.08 AU - 1.1 AU

Year: 786 Days

Day: 12.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 86,701,463 km

• M1: 157,975 km (0.112 R)
• M2: 1,237,474 km (0.06 R)
• M3: 2,043,507 km (0.04 R)
• M4: 4,744,197 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.3

Radius: 11

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.17 AU - 4.27 AU

Year: 4953 Days

Day: 9.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 86,701,463 km

• M1: 143,315 km (0.119 R)
• M2: 489,185 km (0.096 R)
• M3: 1,022,053 km (0.056 R)
• M4: 1,394,402 km (0.112 R)
• M5: 2,022,114 km (0.099 R)
• M6: 2,622,600 km (0.097 R)
• M7: 2,974,604 km (0.067 R)
• M8: 3,378,518 km (0.078 R)
• M9: 3,753,859 km (0.039 R)
• M10: 4,639,030 km (0.111 R)
• M11: 5,211,990 km (0.086 R)
• M12: 6,251,097 km (0.085 R)
• M13: 6,820,017 km (0.081 R)
• M14: 7,916,570 km (0.062 R)
• M15: 10,370,124 km (0.025 R)
• M16: 10,942,635 km (0.107 R)
• M17: 13,088,467 km (0.107 R)
• M18: 14,020,761 km (0.073 R)
• M19: 15,107,739 km (0.104 R)
• M20: 18,835,120 km (0.069 R)
• M21: 20,090,096 km (0.091 R)
• M22: 23,060,811 km (0.073 R)
• M23: 25,512,271 km (0.044 R)
• M24: 27,544,708 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.1

Radius: 9.1

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.94 AU - 5.08 AU

Year: 6611 Days

Day: 12.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,701,463 km

• M1: 113,246 km (0.054 R)
• M2: 689,945 km (0.116 R)
• M3: 1,487,900 km (0.118 R)
• M4: 2,972,809 km (0.101 R)
• M5: 4,936,580 km (0.055 R)
• M6: 5,545,743 km (0.1 R)
• M7: 6,980,835 km (0.073 R)
• M8: 9,245,896 km (0.07 R)
• M9: 10,084,542 km (0.103 R)
• M10: 15,800,976 km (0.076 R)
• M11: 16,814,801 km (0.1 R)
• M12: 17,556,058 km (0.118 R)
• M13: 19,236,641 km (0.064 R)
• M14: 21,882,129 km (0.072 R)
• M15: 23,672,517 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189

Radius: 15

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.94 AU - 5.58 AU

Year: 7168 Days

Day: 11.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 59.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,701,463 km

• M1: 186,549 km (0.078 R)
• M2: 748,737 km (0.059 R)
• M3: 1,334,413 km (0.117 R)
• M4: 1,846,786 km (0.111 R)
• M5: 2,664,787 km (0.066 R)
• M6: 3,195,411 km (0.086 R)
• M7: 3,817,438 km (0.119 R)
• M8: 4,566,475 km (0.079 R)
• M9: 5,127,617 km (0.086 R)
• M10: 5,789,737 km (0.116 R)
• M11: 6,508,555 km (0.057 R)
• M12: 8,407,101 km (0.098 R)
• M13: 9,484,505 km (0.109 R)
• M14: 14,217,931 km (0.088 R)
• M15: 15,154,264 km (0.074 R)
• M16: 16,691,981 km (0.037 R)
• M17: 17,557,554 km (0.107 R)
• M18: 18,331,573 km (0.107 R)
• M19: 20,205,137 km (0.107 R)
• M20: 20,989,180 km (0.027 R)
• M21: 22,757,875 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 144.5

Radius: 11.7

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.9 AU - 6.11 AU

Year: 7717 Days

Day: 11.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,701,463 km

• M1: 145,559 km (0.086 R)
• M2: 686,355 km (0.108 R)
• M3: 2,952,763 km (0.113 R)
• M4: 3,348,150 km (0.106 R)
• M5: 3,778,992 km (0.032 R)
• M6: 4,291,215 km (0.118 R)
• M7: 4,825,279 km (0.053 R)
• M8: 5,561,600 km (0.082 R)
• M9: 7,226,176 km (0.107 R)
• M10: 8,365,064 km (0.036 R)
• M11: 10,374,014 km (0.106 R)
• M12: 11,999,694 km (0.118 R)
• M13: 12,546,773 km (0.081 R)
• M14: 14,237,828 km (0.066 R)
• M15: 15,858,272 km (0.107 R)
• M16: 17,252,225 km (0.106 R)
• M17: 21,990,588 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 287

Radius: 5.7

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.37 AU - 8.23 AU

Year: 13614 Days

Day: 18.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,701,463 km

• M1: 71,209 km (0.105 R)
• M2: 254,466 km (0.1 R)
• M3: 539,300 km (0.075 R)
• M4: 774,767 km (0.09 R)
• M5: 1,067,830 km (0.097 R)
• M6: 2,192,357 km (0.116 R)
• M7: 3,169,530 km (0.116 R)
• M8: 4,844,877 km (0.106 R)
• M9: 5,438,331 km (0.114 R)
• M10: 5,635,501 km (0.09 R)
• M11: 6,009,496 km (0.092 R)
• M12: 6,436,000 km (0.07 R)
• M13: 7,113,379 km (0.084 R)
• M14: 7,672,276 km (0.087 R)
• M15: 8,046,720 km (0.088 R)
• M16: 8,742,500 km (0.096 R)
• M17: 9,290,028 km (0.095 R)
• M18: 11,280,577 km (0.114 R)
• M19: 12,602,424 km (0.114 R)
• M20: 15,158,603 km (0.059 R)
• M21: 15,418,753 km (0.1 R)
• M22: 16,557,642 km (0.112 R)
• M23: 18,553,876 km (0.093 R)
• M24: 19,918,807 km (0.102 R)
• M25: 23,970,964 km (0.049 R)
• M26: 27,467,815 km (0.111 R)
• M27: 32,244,774 km (0.044 R)
• M28: 35,452,451 km (0.084 R)
• M29: 36,373,376 km (0.104 R)
• M30: 39,599,304 km (0.116 R)
• M31: 40,216,994 km (0.119 R)
• M32: 41,852,847 km (0.091 R)
• M33: 43,011,033 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.3

Radius: 4.9

Gravity: 39.62 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.54 AU - 8.62 AU

Year: 15854 Days

Day: 15.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 86,701,463 km

• M1: 62,831 km (0.027 R)
• M2: 291,716 km (0.031 R)
• M3: 677,678 km (0.093 R)
• M4: 834,457 km (0.079 R)
• M5: 1,077,853 km (0.072 R)
• M6: 2,966,975 km (0.069 R)
• M7: 3,507,322 km (0.074 R)
• M8: 3,711,074 km (0.117 R)
• M9: 3,922,755 km (0.109 R)
• M10: 4,922,817 km (0.108 R)
• M11: 5,796,917 km (0.086 R)
• M12: 6,207,414 km (0.12 R)
• M13: 6,593,227 km (0.089 R)
• M14: 6,814,333 km (0.044 R)
• M15: 8,349,057 km (0.087 R)
• M16: 9,984,162 km (0.107 R)
• M17: 11,123,499 km (0.107 R)
• M18: 12,547,821 km (0.091 R)
• M19: 12,751,124 km (0.117 R)
• M20: 15,287,107 km (0.076 R)
• M21: 17,125,067 km (0.091 R)
• M22: 19,646,090 km (0.04 R)
• M23: 20,012,156 km (0.112 R)
• M24: 20,382,859 km (0.107 R)
• M25: 24,134,924 km (0.097 R)
• M26: 25,193,777 km (0.095 R)
• M27: 26,172,895 km (0.103 R)
• M28: 31,079,107 km (0.073 R)
• M29: 32,585,707 km (0.115 R)
• M30: 35,203,969 km (0.088 R)
• M31: 35,608,482 km (0.105 R)
• M32: 37,677,271 km (0.066 R)
• M33: 38,242,302 km (0.081 R)
• M34: 41,600,774 km (0.073 R)
• M35: 48,397,155 km (0.088 R)
• M36: 54,267,525 km (0.081 R)
• M37: 55,532,375 km (0.1 R)
• M38: 60,981,777 km (0.05 R)
• M39: 62,348,503 km (0.056 R)
• M40: 63,337,195 km (0.112 R)
• M41: 68,437,735 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.1

Radius: 6.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.13 AU - 10.69 AU

Year: 19925 Days

Day: 20.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,701,463 km

• M1: 80,035 km (0.11 R)
• M2: 417,528 km (0.095 R)
• M3: 694,433 km (0.06 R)
• M4: 1,241,064 km (0.07 R)
• M5: 1,643,033 km (0.097 R)
• M6: 4,076,991 km (0.113 R)
• M7: 4,929,699 km (0.103 R)
• M8: 5,481,715 km (0.086 R)
• M9: 13,891,808 km (0.115 R)
• M10: 17,208,542 km (0.113 R)
• M11: 21,603,877 km (0.105 R)
• M12: 23,787,109 km (0.053 R)
• M13: 32,974,063 km (0.093 R)
• M14: 41,465,837 km (0.05 R)
• M15: 43,322,795 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.5

Radius: 4.9

Gravity: 34.09 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.79 AU - 11.47 AU

Year: 22255 Days

Day: 18.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,701,463 km

• M1: 60,886 km (0.063 R)
• M2: 251,324 km (0.06 R)
• M3: 1,583,793 km (0.076 R)
• M4: 1,962,874 km (0.108 R)
• M5: 2,195,947 km (0.089 R)
• M6: 2,926,733 km (0.072 R)
• M7: 3,118,218 km (0.075 R)
• M8: 6,164,330 km (0.084 R)
• M9: 7,291,400 km (0.041 R)
• M10: 8,115,086 km (0.117 R)
• M11: 12,669,892 km (0.084 R)
• M12: 15,033,240 km (0.108 R)
• M13: 17,764,747 km (0.118 R)
• M14: 19,152,118 km (0.115 R)
• M15: 19,630,083 km (0.088 R)
• M16: 21,315,153 km (0.118 R)
• M17: 23,744,922 km (0.115 R)
• M18: 26,119,190 km (0.114 R)
• M19: 28,771,410 km (0.117 R)
• M20: 31,070,580 km (0.06 R)
• M21: 32,941,302 km (0.107 R)
• M22: 35,886,285 km (0.094 R)
• M23: 37,348,305 km (0.093 R)
• M24: 39,924,231 km (0.111 R)
• M25: 40,703,785 km (0.047 R)
• M26: 42,132,445 km (0.116 R)
• M27: 43,923,730 km (0.04 R)
• M28: 45,934,924 km (0.114 R)
• M29: 47,483,112 km (0.07 R)
• M30: 48,888,135 km (0.096 R)
• M31: 51,229,940 km (0.107 R)
• M32: 53,834,439 km (0.111 R)
• M33: 69,078,612 km (0.076 R)
• M34: 69,750,905 km (0.066 R)
• M35: 76,475,628 km (0.118 R)
• M36: 79,380,221 km (0.108 R)
• M37: 83,366,256 km (0.077 R)
• M38: 85,151,258 km (0.066 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 18,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit