🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.3

Radius: 14.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.55 AU - 0.77 AU

Year: 364 Days

Day: 11.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,747,418 km

• M1: 184,305 km (0.087 R)
• M2: 708,944 km (0.059 R)
• M3: 1,276,369 km (0.106 R)
• M4: 2,595,224 km (0.115 R)
• M5: 3,122,556 km (0.034 R)
• M6: 4,274,460 km (0.075 R)
• M7: 4,750,331 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.1

Radius: 11.1

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.61 AU - 0.91 AU

Year: 449 Days

Day: 13.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,747,418 km

• M1: 138,528 km (0.082 R)
• M2: 516,561 km (0.101 R)
• M3: 893,249 km (0.089 R)
• M4: 1,432,699 km (0.056 R)
• M5: 1,836,912 km (0.026 R)
• M6: 2,579,965 km (0.065 R)
• M7: 2,938,701 km (0.101 R)
• M8: 3,792,904 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.7

Radius: 12.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.81 AU - 1.01 AU

Year: 589 Days

Day: 10.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,747,418 km

• M1: 159,172 km (0.114 R)
• M2: 585,975 km (0.089 R)
• M3: 991,535 km (0.083 R)
• M4: 1,453,343 km (0.118 R)
• M5: 1,880,146 km (0.119 R)
• M6: 2,372,921 km (0.113 R)
• M7: 2,822,463 km (0.084 R)
• M8: 3,425,342 km (0.109 R)
• M9: 3,922,755 km (0.049 R)
• M10: 4,875,395 km (0.117 R)
• M11: 5,490,541 km (0.113 R)
• M12: 6,230,153 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.6

Radius: 11

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.43 AU - 1.69 AU

Year: 1322 Days

Day: 11.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,747,418 km

• M1: 136,882 km (0.119 R)
• M2: 622,776 km (0.096 R)
• M3: 1,001,707 km (0.114 R)
• M4: 1,685,519 km (0.117 R)
• M5: 2,263,715 km (0.115 R)
• M6: 2,845,651 km (0.098 R)
• M7: 3,353,236 km (0.072 R)
• M8: 4,236,612 km (0.105 R)
• M9: 4,861,033 km (0.067 R)
• M10: 5,991,395 km (0.046 R)
• M11: 6,729,361 km (0.115 R)
• M12: 7,236,947 km (0.11 R)
• M13: 9,125,919 km (0.061 R)
• M14: 9,621,836 km (0.076 R)
• M15: 11,113,327 km (0.114 R)
• M16: 11,571,694 km (0.109 R)
• M17: 12,079,280 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.7

Radius: 14.6

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.53 AU - 2.99 AU

Year: 3110 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,747,418 km

• M1: 181,612 km (0.081 R)
• M2: 1,102,088 km (0.097 R)
• M3: 2,256,235 km (0.071 R)
• M4: 3,393,029 km (0.086 R)
• M5: 3,893,434 km (0.085 R)
• M6: 4,975,476 km (0.074 R)
• M7: 5,500,564 km (0.11 R)
• M8: 6,606,840 km (0.114 R)
• M9: 7,183,690 km (0.1 R)
• M10: 7,700,251 km (0.06 R)
• M11: 10,823,107 km (0.077 R)
• M12: 13,997,125 km (0.1 R)
• M13: 15,495,198 km (0.056 R)
• M14: 15,949,527 km (0.056 R)
• M15: 18,244,508 km (0.119 R)
• M16: 18,922,485 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.7

Radius: 15

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.69 AU - 4.99 AU

Year: 7222 Days

Day: 12.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,747,418 km

• M1: 189,690 km (0.114 R)
• M2: 1,007,841 km (0.08 R)
• M3: 2,125,636 km (0.119 R)
• M4: 2,965,329 km (0.113 R)
• M5: 4,143,113 km (0.105 R)
• M6: 5,096,051 km (0.115 R)
• M7: 9,597,152 km (0.07 R)
• M8: 10,222,172 km (0.045 R)
• M9: 11,192,613 km (0.079 R)
• M10: 13,357,743 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.1

Radius: 10.2

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.38 AU - 5.68 AU

Year: 8820 Days

Day: 10.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,747,418 km

• M1: 179,069 km (0.083 R)
• M2: 550,819 km (0.1 R)
• M3: 879,336 km (0.088 R)
• M4: 1,737,878 km (0.086 R)
• M5: 2,241,126 km (0.082 R)
• M6: 2,780,875 km (0.037 R)
• M7: 3,518,243 km (0.069 R)
• M8: 7,585,510 km (0.088 R)
• M9: 10,918,401 km (0.115 R)
• M10: 12,684,852 km (0.104 R)
• M11: 16,513,511 km (0.07 R)
• M12: 19,552,890 km (0.035 R)
• M13: 24,868,252 km (0.103 R)
• M14: 26,000,559 km (0.032 R)
• M15: 26,894,705 km (0.118 R)
• M16: 27,532,740 km (0.084 R)
• M17: 28,367,795 km (0.113 R)
• M18: 35,996,090 km (0.1 R)
• M19: 37,106,555 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.3

Radius: 5.8

Gravity: 28.55 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 5.22 AU - 6.6 AU

Year: 9745 Days

Day: 24.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,747,418 km

• M1: 74,051 km (0.098 R)
• M2: 279,898 km (0.058 R)
• M3: 573,857 km (0.079 R)
• M4: 773,122 km (0.067 R)
• M5: 1,008,290 km (0.045 R)
• M6: 1,671,457 km (0.053 R)
• M7: 1,896,452 km (0.104 R)
• M8: 2,329,837 km (0.116 R)
• M9: 2,611,680 km (0.079 R)
• M10: 3,268,414 km (0.117 R)
• M11: 3,863,066 km (0.1 R)
• M12: 4,347,015 km (0.038 R)
• M13: 5,895,652 km (0.117 R)
• M14: 6,191,706 km (0.046 R)
• M15: 7,911,633 km (0.061 R)
• M16: 9,319,648 km (0.112 R)
• M17: 10,722,727 km (0.077 R)
• M18: 12,142,261 km (0.075 R)
• M19: 13,176,281 km (0.068 R)
• M20: 13,618,792 km (0.097 R)
• M21: 14,734,343 km (0.102 R)
• M22: 16,923,259 km (0.074 R)
• M23: 18,680,885 km (0.111 R)
• M24: 18,918,745 km (0.043 R)
• M25: 19,808,404 km (0.05 R)
• M26: 20,305,218 km (0.098 R)
• M27: 23,646,636 km (0.087 R)
• M28: 25,739,660 km (0.07 R)
• M29: 26,830,977 km (0.079 R)
• M30: 27,541,417 km (0.104 R)
• M31: 30,072,314 km (0.11 R)
• M32: 32,182,691 km (0.067 R)
• M33: 37,823,129 km (0.067 R)
• M34: 41,478,254 km (0.114 R)
• M35: 44,369,232 km (0.118 R)
• M36: 49,330,047 km (0.086 R)
• M37: 52,729,509 km (0.037 R)

Asteroid Belt

Center: 6.67 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.9

Radius: 6.4

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.88 AU - 7.96 AU

Year: 13709 Days

Day: 16 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,747,418 km

• M1: 84,074 km (0.11 R)
• M2: 292,763 km (0.104 R)
• M3: 798,853 km (0.081 R)
• M4: 1,148,014 km (0.082 R)
• M5: 2,424,981 km (0.073 R)
• M6: 3,486,827 km (0.084 R)
• M7: 3,808,463 km (0.099 R)
• M8: 4,542,539 km (0.104 R)
• M9: 8,869,508 km (0.114 R)
• M10: 9,521,007 km (0.119 R)
• M11: 13,073,059 km (0.095 R)
• M12: 13,783,948 km (0.093 R)
• M13: 19,498,886 km (0.039 R)
• M14: 27,337,216 km (0.114 R)
• M15: 31,370,673 km (0.107 R)
• M16: 31,829,041 km (0.117 R)
• M17: 36,535,989 km (0.119 R)
• M18: 47,752,388 km (0.115 R)
• M19: 50,994,623 km (0.112 R)
• M20: 55,208,496 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.3

Radius: 4.2

Gravity: 23.83 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.15 AU - 10.49 AU

Year: 17766 Days

Day: 23.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,747,418 km

• M1: 52,210 km (0.081 R)
• M2: 195,824 km (0.06 R)
• M3: 468,241 km (0.101 R)
• M4: 629,059 km (0.047 R)
• M5: 867,219 km (0.057 R)
• M6: 1,113,607 km (0.077 R)
• M7: 1,362,687 km (0.117 R)
• M8: 1,616,106 km (0.042 R)
• M9: 1,990,100 km (0.087 R)
• M10: 2,377,858 km (0.066 R)
• M11: 3,620,568 km (0.083 R)
• M12: 4,166,450 km (0.052 R)
• M13: 4,380,824 km (0.096 R)
• M14: 5,491,887 km (0.113 R)
• M15: 7,075,381 km (0.094 R)
• M16: 8,349,356 km (0.085 R)
• M17: 8,494,317 km (0.089 R)
• M18: 8,989,934 km (0.085 R)
• M19: 9,984,012 km (0.081 R)
• M20: 10,705,074 km (0.102 R)
• M21: 12,882,022 km (0.064 R)
• M22: 13,469,044 km (0.08 R)
• M23: 14,005,652 km (0.114 R)
• M24: 16,070,551 km (0.087 R)
• M25: 16,220,149 km (0.066 R)
• M26: 16,597,884 km (0.119 R)
• M27: 17,845,979 km (0.118 R)
• M28: 19,747,966 km (0.073 R)
• M29: 21,598,791 km (0.093 R)
• M30: 23,179,442 km (0.041 R)
• M31: 27,624,892 km (0.086 R)
• M32: 38,420,473 km (0.096 R)
• M33: 39,906,429 km (0.098 R)
• M34: 40,732,807 km (0.077 R)
• M35: 48,534,636 km (0.097 R)
• M36: 50,429,442 km (0.1 R)
• M37: 51,719,873 km (0.096 R)
• M38: 57,449,472 km (0.048 R)
• M39: 58,856,440 km (0.119 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: 501 - 16,538 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit