🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.9

Radius: 13.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.7 AU - 0.82 AU

Year: 457 Days

Day: 14.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 138.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,702,666 km

• M1: 165,455 km (0.119 R)
• M2: 643,720 km (0.114 R)
• M3: 1,099,694 km (0.093 R)
• M4: 1,597,705 km (0.099 R)
• M5: 2,542,865 km (0.109 R)
• M6: 3,401,706 km (0.104 R)
• M7: 4,182,756 km (0.092 R)
• M8: 4,609,410 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.5

Radius: 10.4

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.69 AU - 2.61 AU

Year: 2176 Days

Day: 9.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,702,666 km

• M1: 129,402 km (0.092 R)
• M2: 600,935 km (0.098 R)
• M3: 1,741,768 km (0.069 R)
• M4: 2,236,339 km (0.105 R)
• M5: 3,424,295 km (0.034 R)
• M6: 4,323,528 km (0.031 R)
• M7: 5,057,156 km (0.114 R)
• M8: 5,419,332 km (0.071 R)
• M9: 7,325,509 km (0.066 R)
• M10: 8,843,478 km (0.12 R)
• M11: 10,236,683 km (0.072 R)
• M12: 11,079,517 km (0.057 R)
• M13: 12,450,133 km (0.094 R)
• M14: 14,284,652 km (0.109 R)
• M15: 15,857,823 km (0.078 R)
• M16: 16,488,827 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.2

Radius: 11.3

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.24 AU - 2.56 AU

Year: 2566 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,702,666 km

• M1: 141,071 km (0.119 R)
• M2: 517,459 km (0.12 R)
• M3: 1,117,346 km (0.086 R)
• M4: 2,190,262 km (0.112 R)
• M5: 2,718,193 km (0.06 R)
• M6: 4,783,392 km (0.087 R)
• M7: 7,298,581 km (0.101 R)
• M8: 12,623,667 km (0.104 R)
• M9: 13,068,870 km (0.112 R)
• M10: 14,564,549 km (0.101 R)
• M11: 17,233,974 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559

Radius: 12.8

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.48 AU - 2.78 AU

Year: 2944 Days

Day: 12.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,702,666 km

• M1: 159,172 km (0.043 R)
• M2: 658,829 km (0.099 R)
• M3: 1,389,615 km (0.087 R)
• M4: 1,822,850 km (0.102 R)
• M5: 2,333,876 km (0.074 R)
• M6: 2,924,040 km (0.105 R)
• M7: 3,342,316 km (0.06 R)
• M8: 4,710,837 km (0.115 R)
• M9: 5,435,639 km (0.119 R)
• M10: 6,020,566 km (0.058 R)
• M11: 7,560,078 km (0.111 R)
• M12: 8,355,789 km (0.077 R)
• M13: 10,264,957 km (0.086 R)
• M14: 11,040,921 km (0.084 R)
• M15: 11,648,289 km (0.094 R)
• M16: 12,065,517 km (0.1 R)
• M17: 12,710,134 km (0.11 R)
• M18: 15,722,138 km (0.081 R)
• M19: 17,720,167 km (0.049 R)
• M20: 19,588,046 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.4

Radius: 10.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.52 AU - 5.74 AU

Year: 6877 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,702,666 km

• M1: 125,961 km (0.116 R)
• M2: 474,674 km (0.095 R)
• M3: 908,059 km (0.113 R)
• M4: 1,450,202 km (0.06 R)
• M5: 1,802,505 km (0.114 R)
• M6: 2,212,403 km (0.072 R)
• M7: 3,487,874 km (0.105 R)
• M8: 4,064,275 km (0.119 R)
• M9: 5,460,322 km (0.092 R)
• M10: 6,624,194 km (0.09 R)
• M11: 9,397,589 km (0.047 R)
• M12: 9,905,324 km (0.075 R)
• M13: 10,472,449 km (0.08 R)
• M14: 11,407,436 km (0.094 R)
• M15: 11,760,936 km (0.103 R)
• M16: 12,258,798 km (0.062 R)
• M17: 12,629,800 km (0.068 R)
• M18: 14,962,629 km (0.113 R)
• M19: 15,493,702 km (0.082 R)
• M20: 16,537,446 km (0.097 R)
• M21: 18,279,813 km (0.093 R)
• M22: 18,764,510 km (0.117 R)
• M23: 19,133,568 km (0.073 R)
• M24: 21,786,835 km (0.091 R)
• M25: 22,676,943 km (0.091 R)
• M26: 23,236,588 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.8

Radius: 3.9

Gravity: 22.54 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.1 AU - 6.34 AU

Year: 9443 Days

Day: 24.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,702,666 km

• M1: 48,470 km (0.084 R)
• M2: 204,051 km (0.118 R)
• M3: 784,641 km (0.103 R)
• M4: 1,117,346 km (0.102 R)
• M5: 1,387,071 km (0.057 R)
• M6: 1,886,429 km (0.04 R)
• M7: 2,720,138 km (0.078 R)
• M8: 2,956,802 km (0.11 R)
• M9: 3,143,350 km (0.113 R)
• M10: 6,472,501 km (0.036 R)
• M11: 7,715,061 km (0.053 R)
• M12: 9,682,722 km (0.067 R)
• M13: 10,903,291 km (0.099 R)
• M14: 11,909,337 km (0.118 R)
• M15: 12,757,557 km (0.089 R)
• M16: 17,474,527 km (0.111 R)
• M17: 19,059,816 km (0.098 R)
• M18: 20,663,655 km (0.045 R)
• M19: 21,962,763 km (0.119 R)
• M20: 22,355,008 km (0.073 R)
• M21: 22,831,926 km (0.107 R)
• M22: 25,576,449 km (0.118 R)
• M23: 33,434,227 km (0.056 R)
• M24: 35,434,649 km (0.062 R)
• M25: 36,191,465 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.6

Radius: 4.4

Gravity: 40.84 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.34 AU - 8.16 AU

Year: 12105 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,702,666 km

• M1: 57,894 km (0.067 R)
• M2: 225,145 km (0.087 R)
• M3: 416,032 km (0.093 R)
• M4: 730,935 km (0.088 R)
• M5: 946,207 km (0.112 R)
• M6: 1,320,650 km (0.096 R)
• M7: 1,475,185 km (0.1 R)
• M8: 1,959,583 km (0.092 R)
• M9: 2,357,064 km (0.066 R)
• M10: 2,806,306 km (0.104 R)
• M11: 6,324,998 km (0.088 R)
• M12: 7,016,589 km (0.096 R)
• M13: 8,645,261 km (0.117 R)
• M14: 9,088,669 km (0.112 R)
• M15: 12,814,703 km (0.09 R)
• M16: 13,718,125 km (0.037 R)
• M17: 13,983,811 km (0.109 R)
• M18: 14,871,225 km (0.092 R)
• M19: 15,222,331 km (0.1 R)
• M20: 15,507,166 km (0.091 R)
• M21: 16,087,456 km (0.097 R)
• M22: 19,540,324 km (0.026 R)
• M23: 19,876,770 km (0.103 R)
• M24: 20,388,694 km (0.108 R)
• M25: 22,158,437 km (0.102 R)
• M26: 23,174,206 km (0.105 R)
• M27: 27,865,147 km (0.073 R)
• M28: 28,938,810 km (0.119 R)
• M29: 32,559,528 km (0.049 R)
• M30: 33,629,751 km (0.11 R)
• M31: 40,140,400 km (0.088 R)
• M32: 43,190,700 km (0.115 R)
• M33: 43,475,385 km (0.118 R)
• M34: 43,904,731 km (0.09 R)
• M35: 45,650,837 km (0.07 R)
• M36: 52,772,893 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.3

Radius: 4.8

Gravity: 18.63 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.56 AU - 9.04 AU

Year: 13614 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,702,666 km

• M1: 73,453 km (0.11 R)
• M2: 444,455 km (0.092 R)
• M3: 1,083,687 km (0.058 R)
• M4: 1,985,912 km (0.08 R)
• M5: 2,292,288 km (0.12 R)
• M6: 3,841,823 km (0.071 R)
• M7: 4,202,354 km (0.094 R)
• M8: 5,087,225 km (0.049 R)
• M9: 6,200,832 km (0.097 R)
• M10: 7,509,963 km (0.05 R)
• M11: 8,898,081 km (0.09 R)
• M12: 9,727,602 km (0.105 R)
• M13: 10,291,137 km (0.089 R)
• M14: 14,926,876 km (0.088 R)
• M15: 19,477,493 km (0.086 R)
• M16: 28,732,515 km (0.089 R)
• M17: 32,519,585 km (0.104 R)
• M18: 33,200,555 km (0.101 R)
• M19: 34,473,633 km (0.043 R)
• M20: 34,826,384 km (0.115 R)
• M21: 43,619,298 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.3

Radius: 4

Gravity: 38.83 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.33 AU - 9.55 AU

Year: 20020 Days

Day: 21.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,702,666 km

• M1: 82,129 km (0.111 R)
• M2: 211,531 km (0.114 R)
• M3: 357,090 km (0.032 R)
• M4: 791,971 km (0.034 R)
• M5: 922,720 km (0.05 R)
• M6: 1,256,772 km (0.116 R)
• M7: 1,772,735 km (0.113 R)
• M8: 2,373,819 km (0.055 R)
• M9: 3,180,600 km (0.066 R)
• M10: 3,810,856 km (0.098 R)
• M11: 5,545,593 km (0.061 R)
• M12: 6,806,254 km (0.076 R)
• M13: 8,348,908 km (0.109 R)
• M14: 8,609,208 km (0.052 R)
• M15: 10,829,839 km (0.094 R)
• M16: 12,370,697 km (0.073 R)
• M17: 14,569,486 km (0.045 R)
• M18: 18,031,480 km (0.111 R)
• M19: 18,204,565 km (0.06 R)
• M20: 19,905,493 km (0.038 R)
• M21: 26,188,753 km (0.09 R)
• M22: 26,522,506 km (0.092 R)
• M23: 26,746,454 km (0.075 R)
• M24: 27,198,389 km (0.096 R)
• M25: 28,701,997 km (0.104 R)
• M26: 30,260,208 km (0.097 R)
• M27: 34,466,901 km (0.076 R)
• M28: 35,951,360 km (0.09 R)
• M29: 36,225,723 km (0.074 R)
• M30: 37,057,337 km (0.071 R)
• M31: 41,708,485 km (0.095 R)
• M32: 43,393,106 km (0.104 R)
• M33: 43,704,120 km (0.096 R)
• M34: 44,173,558 km (0.104 R)
• M35: 49,222,487 km (0.12 R)
• M36: 56,472,299 km (0.097 R)
• M37: 57,402,349 km (0.039 R)
• M38: 64,200,225 km (0.116 R)
• M39: 68,525,848 km (0.097 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: 464 - 12,062 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit