🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.9

Radius: 8.7

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.53 AU - 0.53 AU

Year: 257 Days

Day: 10.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,998,458 km

• M1: 108,159 km (0.069 R)
• M2: 508,932 km (0.086 R)
• M3: 825,780 km (0.092 R)
• M4: 1,169,855 km (0.046 R)
• M5: 1,781,411 km (0.099 R)
• M6: 2,267,305 km (0.097 R)
• M7: 2,839,368 km (0.085 R)
• M8: 3,188,379 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.3

Radius: 14

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.68 AU - 0.8 AU

Year: 424 Days

Day: 7.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 67,998,458 km

• M1: 182,509 km (0.098 R)
• M2: 636,389 km (0.068 R)
• M3: 1,590,225 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.5

Radius: 10.8

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.75 AU - 0.99 AU

Year: 541 Days

Day: 8.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,998,458 km

• M1: 134,488 km (0.113 R)
• M2: 611,257 km (0.102 R)
• M3: 954,584 km (0.073 R)
• M4: 1,452,595 km (0.118 R)
• M5: 1,963,322 km (0.093 R)
• M6: 2,410,321 km (0.096 R)
• M7: 2,781,473 km (0.102 R)
• M8: 3,131,831 km (0.093 R)
• M9: 4,033,458 km (0.104 R)
• M10: 4,484,645 km (0.095 R)
• M11: 5,699,380 km (0.105 R)
• M12: 6,499,429 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.8

Radius: 12.7

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.8 AU - 2.26 AU

Year: 1929 Days

Day: 9.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,998,458 km

• M1: 157,975 km (0.056 R)
• M2: 569,369 km (0.064 R)
• M3: 1,063,192 km (0.088 R)
• M4: 1,546,244 km (0.072 R)
• M5: 2,395,810 km (0.118 R)
• M6: 3,004,374 km (0.096 R)
• M7: 3,806,219 km (0.116 R)
• M8: 4,430,341 km (0.104 R)
• M9: 5,282,600 km (0.088 R)
• M10: 6,035,526 km (0.077 R)
• M11: 6,803,562 km (0.104 R)
• M12: 7,606,005 km (0.075 R)
• M13: 9,060,096 km (0.081 R)
• M14: 9,607,026 km (0.042 R)
• M15: 10,880,702 km (0.047 R)
• M16: 11,342,361 km (0.106 R)
• M17: 12,934,082 km (0.099 R)
• M18: 13,850,519 km (0.095 R)
• M19: 15,812,645 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.9

Radius: 9.2

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.44 AU - 3.16 AU

Year: 3124 Days

Day: 5.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,998,458 km

• M1: 119,230 km (0.109 R)
• M2: 448,046 km (0.059 R)
• M3: 739,911 km (0.11 R)
• M4: 1,533,677 km (0.1 R)
• M5: 1,896,901 km (0.101 R)
• M6: 2,212,852 km (0.039 R)
• M7: 3,177,908 km (0.1 R)
• M8: 3,502,236 km (0.111 R)
• M9: 4,237,958 km (0.038 R)
• M10: 5,862,441 km (0.095 R)
• M11: 7,503,829 km (0.068 R)
• M12: 8,334,397 km (0.084 R)
• M13: 9,396,691 km (0.083 R)
• M14: 11,627,794 km (0.106 R)
• M15: 13,167,455 km (0.035 R)
• M16: 13,828,827 km (0.071 R)
• M17: 14,281,959 km (0.116 R)
• M18: 15,265,715 km (0.064 R)
• M19: 15,603,357 km (0.067 R)
• M20: 16,193,970 km (0.07 R)
• M21: 17,577,451 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.7

Radius: 9.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.42 AU - 3.76 AU

Year: 4536 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,998,458 km

• M1: 119,379 km (0.117 R)
• M2: 432,487 km (0.098 R)
• M3: 2,059,514 km (0.089 R)
• M4: 3,182,695 km (0.096 R)
• M5: 5,096,051 km (0.101 R)
• M6: 5,859,150 km (0.077 R)
• M7: 6,873,125 km (0.097 R)
• M8: 7,579,825 km (0.065 R)
• M9: 8,923,064 km (0.106 R)
• M10: 9,428,705 km (0.115 R)
• M11: 10,817,272 km (0.12 R)
• M12: 11,944,642 km (0.111 R)
• M13: 13,756,272 km (0.09 R)
• M14: 14,431,557 km (0.049 R)
• M15: 14,877,359 km (0.062 R)
• M16: 17,803,343 km (0.093 R)
• M17: 19,311,589 km (0.112 R)
• M18: 21,282,840 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.7

Radius: 4.9

Gravity: 23.1 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.4 AU - 7.18 AU

Year: 10520 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 67,998,458 km

• M1: 61,036 km (0.114 R)
• M2: 357,988 km (0.052 R)
• M3: 532,568 km (0.077 R)
• M4: 715,078 km (0.1 R)
• M5: 1,010,384 km (0.065 R)
• M6: 1,245,701 km (0.073 R)
• M7: 1,517,222 km (0.113 R)
• M8: 1,674,599 km (0.11 R)
• M9: 2,633,521 km (0.083 R)
• M10: 3,104,156 km (0.059 R)
• M11: 3,431,626 km (0.078 R)
• M12: 3,938,912 km (0.117 R)
• M13: 4,182,906 km (0.041 R)
• M14: 4,821,988 km (0.071 R)
• M15: 5,069,872 km (0.109 R)
• M16: 5,934,398 km (0.098 R)
• M17: 6,146,977 km (0.073 R)
• M18: 6,401,592 km (0.097 R)
• M19: 7,287,810 km (0.051 R)
• M20: 9,539,557 km (0.109 R)
• M21: 11,766,621 km (0.112 R)
• M22: 12,618,730 km (0.113 R)
• M23: 12,970,734 km (0.105 R)
• M24: 14,700,833 km (0.105 R)
• M25: 16,439,908 km (0.025 R)
• M26: 18,460,976 km (0.113 R)
• M27: 19,453,408 km (0.099 R)
• M28: 24,861,371 km (0.102 R)
• M29: 25,136,930 km (0.051 R)
• M30: 28,104,802 km (0.05 R)
• M31: 30,872,961 km (0.081 R)
• M32: 33,705,447 km (0.11 R)
• M33: 34,610,664 km (0.105 R)
• M34: 35,881,498 km (0.05 R)
• M35: 36,825,161 km (0.068 R)
• M36: 37,664,406 km (0.109 R)
• M37: 39,132,409 km (0.055 R)
• M38: 40,765,420 km (0.097 R)
• M39: 45,798,341 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.5

Radius: 5.4

Gravity: 29.75 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.88 AU - 7.66 AU

Year: 13072 Days

Day: 23.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,998,458 km

• M1: 67,917 km (0.097 R)
• M2: 244,443 km (0.107 R)
• M3: 699,968 km (0.055 R)
• M4: 1,286,093 km (0.103 R)
• M5: 1,593,217 km (0.089 R)
• M6: 1,824,346 km (0.113 R)
• M7: 2,292,737 km (0.12 R)
• M8: 2,566,351 km (0.048 R)
• M9: 2,745,271 km (0.075 R)
• M10: 3,078,724 km (0.087 R)
• M11: 3,359,220 km (0.083 R)
• M12: 3,971,524 km (0.079 R)
• M13: 4,335,496 km (0.076 R)
• M14: 4,888,709 km (0.081 R)
• M15: 6,134,709 km (0.104 R)
• M16: 7,176,359 km (0.105 R)
• M17: 8,575,848 km (0.045 R)
• M18: 9,711,146 km (0.112 R)
• M19: 10,314,923 km (0.098 R)
• M20: 11,177,953 km (0.1 R)
• M21: 12,465,841 km (0.069 R)
• M22: 14,124,433 km (0.091 R)
• M23: 15,775,095 km (0.063 R)
• M24: 18,362,091 km (0.058 R)
• M25: 24,859,127 km (0.115 R)
• M26: 26,194,438 km (0.081 R)
• M27: 28,121,109 km (0.116 R)
• M28: 33,101,970 km (0.106 R)
• M29: 35,606,836 km (0.101 R)
• M30: 36,122,500 km (0.111 R)
• M31: 38,235,121 km (0.119 R)
• M32: 42,271,571 km (0.068 R)
• M33: 44,021,717 km (0.113 R)
• M34: 50,852,355 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.1

Radius: 4.6

Gravity: 43.29 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.26 AU - 9.4 AU

Year: 14611 Days

Day: 15.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 67,998,458 km

• M1: 73,453 km (0.069 R)
• M2: 228,137 km (0.084 R)
• M3: 515,963 km (0.094 R)
• M4: 695,481 km (0.086 R)
• M5: 2,042,310 km (0.104 R)
• M6: 3,020,381 km (0.077 R)
• M7: 3,227,125 km (0.079 R)
• M8: 3,697,611 km (0.109 R)
• M9: 3,964,643 km (0.082 R)
• M10: 4,244,391 km (0.103 R)
• M11: 5,688,309 km (0.083 R)
• M12: 7,430,975 km (0.087 R)
• M13: 7,712,668 km (0.112 R)
• M14: 9,069,670 km (0.078 R)
• M15: 9,283,445 km (0.116 R)
• M16: 11,546,861 km (0.112 R)
• M17: 13,589,471 km (0.118 R)
• M18: 15,860,965 km (0.06 R)
• M19: 20,400,063 km (0.065 R)
• M20: 24,374,131 km (0.099 R)
• M21: 27,034,280 km (0.108 R)
• M22: 29,065,221 km (0.101 R)
• M23: 29,764,142 km (0.091 R)
• M24: 29,999,609 km (0.118 R)
• M25: 36,163,939 km (0.076 R)
• M26: 36,836,680 km (0.057 R)
• M27: 39,611,422 km (0.077 R)
• M28: 43,725,513 km (0.086 R)
• M29: 46,832,361 km (0.053 R)
• M30: 48,439,641 km (0.102 R)
• M31: 50,583,528 km (0.116 R)
• M32: 53,655,371 km (0.104 R)
• M33: 53,829,503 km (0.068 R)
• M34: 55,770,834 km (0.113 R)
• M35: 56,128,672 km (0.067 R)
• M36: 57,393,373 km (0.114 R)
• M37: 61,682,643 km (0.066 R)
• M38: 62,835,594 km (0.107 R)
• M39: 64,789,192 km (0.03 R)
• M40: 67,998,515 km (0.066 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 447 - 14,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit