🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869

Radius: 9.5

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.97 AU - 1.33 AU

Year: 809 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,582,003 km

• M1: 119,977 km (0.096 R)
• M2: 485,146 km (0.102 R)
• M3: 957,426 km (0.098 R)
• M4: 1,309,430 km (0.09 R)
• M5: 1,884,484 km (0.104 R)
• M6: 2,481,529 km (0.098 R)
• M7: 3,226,976 km (0.102 R)
• M8: 4,003,389 km (0.106 R)
• M9: 4,478,362 km (0.091 R)
• M10: 4,917,581 km (0.118 R)
• M11: 6,877,463 km (0.115 R)
• M12: 8,574,501 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.7

Radius: 14.7

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.12 AU - 1.8 AU

Year: 1157 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 75,582,003 km

• M1: 182,809 km (0.103 R)
• M2: 1,093,710 km (0.088 R)
• M3: 2,518,630 km (0.07 R)
• M4: 4,714,726 km (0.083 R)
• M5: 7,446,234 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.2

Radius: 9.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.69 AU - 2.11 AU

Year: 1718 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,582,003 km

• M1: 118,182 km (0.099 R)
• M2: 445,203 km (0.061 R)
• M3: 896,839 km (0.082 R)
• M4: 1,225,356 km (0.054 R)
• M5: 1,587,832 km (0.109 R)
• M6: 2,242,921 km (0.092 R)
• M7: 2,769,356 km (0.051 R)
• M8: 3,979,453 km (0.092 R)
• M9: 4,330,858 km (0.051 R)
• M10: 5,061,046 km (0.078 R)
• M11: 6,307,196 km (0.069 R)
• M12: 6,701,237 km (0.03 R)
• M13: 7,267,165 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 9.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.09 AU - 2.17 AU

Year: 2039 Days

Day: 13.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,582,003 km

• M1: 122,371 km (0.073 R)
• M2: 503,546 km (0.115 R)
• M3: 1,336,358 km (0.112 R)
• M4: 1,725,611 km (0.118 R)
• M5: 4,033,458 km (0.115 R)
• M6: 4,817,500 km (0.119 R)
• M7: 5,183,117 km (0.088 R)
• M8: 5,502,060 km (0.031 R)
• M9: 5,856,757 km (0.098 R)
• M10: 6,297,622 km (0.08 R)
• M11: 9,550,627 km (0.074 R)
• M12: 12,417,670 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.4

Radius: 9.7

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.6 AU - 6.88 AU

Year: 9021 Days

Day: 11.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,582,003 km

• M1: 120,576 km (0.112 R)
• M2: 529,277 km (0.04 R)
• M3: 888,312 km (0.1 R)
• M4: 2,064,151 km (0.107 R)
• M5: 2,391,472 km (0.043 R)
• M6: 2,926,134 km (0.118 R)
• M7: 3,876,230 km (0.065 R)
• M8: 4,320,835 km (0.057 R)
• M9: 5,019,607 km (0.101 R)
• M10: 5,652,107 km (0.086 R)
• M11: 6,262,167 km (0.102 R)
• M12: 7,698,755 km (0.113 R)
• M13: 8,045,822 km (0.028 R)
• M14: 8,494,317 km (0.087 R)
• M15: 9,490,639 km (0.086 R)
• M16: 9,890,065 km (0.063 R)
• M17: 12,232,169 km (0.059 R)
• M18: 13,688,953 km (0.034 R)
• M19: 14,264,007 km (0.116 R)
• M20: 14,722,375 km (0.101 R)
• M21: 15,326,003 km (0.072 R)
• M22: 16,156,570 km (0.111 R)
• M23: 27,567,746 km (0.111 R)
• M24: 30,487,597 km (0.096 R)
• M25: 38,803,294 km (0.109 R)
• M26: 40,865,950 km (0.082 R)
• M27: 41,260,738 km (0.116 R)
• M28: 42,191,686 km (0.11 R)
• M29: 42,594,852 km (0.082 R)
• M30: 48,513,542 km (0.029 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 89.6

Radius: 7.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.61 AU - 7.37 AU

Year: 9617 Days

Day: 19.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 92.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,582,003 km

• M1: 89,460 km (0.107 R)
• M2: 431,440 km (0.04 R)
• M3: 1,008,439 km (0.068 R)
• M4: 1,825,692 km (0.113 R)
• M5: 2,402,243 km (0.083 R)
• M6: 2,867,043 km (0.117 R)
• M7: 3,624,457 km (0.09 R)
• M8: 4,125,909 km (0.108 R)
• M9: 4,348,212 km (0.09 R)
• M10: 4,649,053 km (0.057 R)
• M11: 5,502,210 km (0.074 R)
• M12: 6,107,183 km (0.065 R)
• M13: 9,659,086 km (0.072 R)
• M14: 11,253,500 km (0.059 R)
• M15: 12,733,322 km (0.069 R)
• M16: 15,910,781 km (0.107 R)
• M17: 18,359,997 km (0.117 R)
• M18: 19,270,450 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.5

Radius: 4.2

Gravity: 54.62 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.04 AU - 8.16 AU

Year: 12411 Days

Day: 23.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,582,003 km

• M1: 53,556 km (0.112 R)
• M2: 330,611 km (0.117 R)
• M3: 477,217 km (0.11 R)
• M4: 634,445 km (0.098 R)
• M5: 1,327,083 km (0.101 R)
• M6: 1,627,026 km (0.051 R)
• M7: 1,793,230 km (0.063 R)
• M8: 2,026,303 km (0.108 R)
• M9: 2,991,957 km (0.098 R)
• M10: 3,294,145 km (0.087 R)
• M11: 3,452,719 km (0.049 R)
• M12: 4,809,422 km (0.103 R)
• M13: 5,624,282 km (0.101 R)
• M14: 5,889,668 km (0.092 R)
• M15: 6,445,275 km (0.114 R)
• M16: 10,362,645 km (0.105 R)
• M17: 13,371,058 km (0.102 R)
• M18: 14,750,200 km (0.117 R)
• M19: 15,474,105 km (0.116 R)
• M20: 16,758,701 km (0.049 R)
• M21: 23,375,864 km (0.095 R)
• M22: 27,148,573 km (0.087 R)
• M23: 32,259,584 km (0.116 R)
• M24: 33,476,264 km (0.108 R)
• M25: 41,710,280 km (0.083 R)
• M26: 44,629,084 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.2

Radius: 4.8

Gravity: 15.42 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.91 AU - 8.29 AU

Year: 12411 Days

Day: 16.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,582,003 km

• M1: 60,737 km (0.072 R)
• M2: 336,296 km (0.032 R)
• M3: 728,990 km (0.087 R)
• M4: 1,066,334 km (0.043 R)
• M5: 1,344,735 km (0.072 R)
• M6: 1,501,364 km (0.116 R)
• M7: 2,149,123 km (0.047 R)
• M8: 2,554,832 km (0.1 R)
• M9: 4,729,836 km (0.063 R)
• M10: 5,095,154 km (0.029 R)
• M11: 5,252,830 km (0.056 R)
• M12: 5,479,172 km (0.076 R)
• M13: 6,634,366 km (0.118 R)
• M14: 8,241,496 km (0.118 R)
• M15: 8,547,125 km (0.081 R)
• M16: 11,593,386 km (0.095 R)
• M17: 13,417,433 km (0.042 R)
• M18: 13,718,723 km (0.029 R)
• M19: 14,586,391 km (0.09 R)
• M20: 15,228,166 km (0.113 R)
• M21: 17,694,436 km (0.086 R)
• M22: 21,873,901 km (0.112 R)
• M23: 25,916,036 km (0.066 R)
• M24: 28,506,323 km (0.029 R)
• M25: 31,369,327 km (0.088 R)
• M26: 31,793,437 km (0.105 R)
• M27: 37,302,678 km (0.096 R)
• M28: 38,742,557 km (0.05 R)
• M29: 38,986,103 km (0.09 R)
• M30: 40,343,853 km (0.095 R)
• M31: 43,284,199 km (0.086 R)
• M32: 43,677,941 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655

Radius: 3.2

Gravity: 63.96 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.1 AU - 10.58 AU

Year: 20249 Days

Day: 22.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 75,582,003 km

• M1: 62,532 km (0.085 R)
• M2: 176,974 km (0.091 R)
• M3: 424,260 km (0.034 R)
• M4: 681,119 km (0.033 R)
• M5: 855,251 km (0.103 R)
• M6: 1,445,564 km (0.107 R)
• M7: 1,733,839 km (0.118 R)
• M8: 1,863,241 km (0.099 R)
• M9: 2,120,550 km (0.116 R)
• M10: 2,633,072 km (0.064 R)
• M11: 2,779,379 km (0.039 R)
• M12: 3,061,670 km (0.106 R)
• M13: 3,419,508 km (0.087 R)
• M14: 4,217,762 km (0.096 R)
• M15: 4,452,332 km (0.085 R)
• M16: 4,984,152 km (0.053 R)
• M17: 6,696,599 km (0.078 R)
• M18: 6,969,615 km (0.117 R)
• M19: 8,135,731 km (0.104 R)
• M20: 10,060,606 km (0.089 R)
• M21: 12,745,739 km (0.099 R)
• M22: 13,448,849 km (0.091 R)
• M23: 16,685,399 km (0.082 R)
• M24: 24,320,575 km (0.068 R)
• M25: 26,285,393 km (0.039 R)
• M26: 28,118,416 km (0.115 R)
• M27: 30,280,554 km (0.112 R)
• M28: 30,403,822 km (0.077 R)
• M29: 34,259,259 km (0.075 R)
• M30: 34,796,764 km (0.08 R)
• M31: 38,862,684 km (0.095 R)
• M32: 40,334,877 km (0.109 R)
• M33: 44,019,173 km (0.089 R)
• M34: 56,405,129 km (0.098 R)
• M35: 57,342,360 km (0.093 R)
• M36: 59,055,704 km (0.089 R)
• M37: 61,590,042 km (0.089 R)
• M38: 65,629,334 km (0.047 R)
• M39: 66,457,807 km (0.094 R)
• M40: 67,083,724 km (0.084 R)
• M41: 74,230,314 km (0.069 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: 522 - 19,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit