🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.2

Radius: 12.8

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.67 AU - 0.67 AU

Year: 372 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,373,617 km

• M1: 159,322 km (0.098 R)
• M2: 660,923 km (0.117 R)
• M3: 1,168,060 km (0.11 R)
• M4: 1,770,940 km (0.048 R)
• M5: 2,417,352 km (0.079 R)
• M6: 2,853,131 km (0.065 R)
• M7: 3,860,223 km (0.12 R)
• M8: 4,349,259 km (0.083 R)
• M9: 5,215,131 km (0.08 R)
• M10: 5,615,306 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.7

Radius: 8.2

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.52 AU - 0.82 AU

Year: 372 Days

Day: 6 Hours

Environment

Temp: -150 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,373,617 km

• M1: 102,026 km (0.097 R)
• M2: 366,066 km (0.071 R)
• M3: 812,915 km (0.045 R)
• M4: 1,251,685 km (0.03 R)
• M5: 1,608,626 km (0.093 R)
• M6: 2,424,533 km (0.101 R)
• M7: 3,250,762 km (0.104 R)
• M8: 3,553,997 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.2

Radius: 10.4

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.82 AU - 1.32 AU

Year: 751 Days

Day: 5.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,373,617 km

• M1: 129,402 km (0.112 R)
• M2: 460,911 km (0.062 R)
• M3: 1,048,980 km (0.117 R)
• M4: 1,570,179 km (0.1 R)
• M5: 1,955,843 km (0.119 R)
• M6: 2,489,009 km (0.115 R)
• M7: 2,865,098 km (0.076 R)
• M8: 4,023,136 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 11.9

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.74 AU - 3.22 AU

Year: 3489 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,373,617 km

• M1: 147,952 km (0.096 R)
• M2: 522,097 km (0.097 R)
• M3: 895,194 km (0.037 R)
• M4: 1,437,037 km (0.119 R)
• M5: 1,854,714 km (0.03 R)
• M6: 2,719,390 km (0.07 R)
• M7: 3,427,138 km (0.101 R)
• M8: 4,486,590 km (0.1 R)
• M9: 4,926,557 km (0.055 R)
• M10: 5,503,556 km (0.101 R)
• M11: 6,184,077 km (0.118 R)
• M12: 6,637,358 km (0.119 R)
• M13: 7,679,158 km (0.115 R)
• M14: 8,529,622 km (0.111 R)
• M15: 10,292,334 km (0.096 R)
• M16: 11,105,248 km (0.058 R)
• M17: 13,449,297 km (0.084 R)
• M18: 14,264,456 km (0.101 R)
• M19: 14,897,255 km (0.116 R)
• M20: 15,548,754 km (0.078 R)
• M21: 15,937,409 km (0.101 R)
• M22: 17,260,453 km (0.092 R)
• M23: 17,858,096 km (0.119 R)
• M24: 18,842,899 km (0.119 R)
• M25: 20,520,041 km (0.112 R)
• M26: 21,190,838 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.3

Radius: 8.8

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.14 AU - 4.16 AU

Year: 5734 Days

Day: 5.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,373,617 km

• M1: 112,647 km (0.116 R)
• M2: 549,922 km (0.109 R)
• M3: 837,299 km (0.107 R)
• M4: 1,473,838 km (0.115 R)
• M5: 1,977,833 km (0.103 R)
• M6: 2,319,515 km (0.031 R)
• M7: 3,793,054 km (0.092 R)
• M8: 4,687,500 km (0.096 R)
• M9: 5,416,490 km (0.086 R)
• M10: 5,995,583 km (0.112 R)
• M11: 6,716,944 km (0.098 R)
• M12: 7,792,254 km (0.109 R)
• M13: 9,019,854 km (0.075 R)
• M14: 9,528,188 km (0.1 R)
• M15: 9,966,210 km (0.096 R)
• M16: 10,463,473 km (0.105 R)
• M17: 11,507,517 km (0.075 R)
• M18: 13,968,552 km (0.079 R)
• M19: 16,509,471 km (0.078 R)
• M20: 19,135,812 km (0.03 R)
• M21: 20,911,838 km (0.088 R)
• M22: 23,184,828 km (0.104 R)
• M23: 24,952,925 km (0.114 R)
• M24: 26,982,220 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.6

Radius: 6.1

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.77 AU - 7.51 AU

Year: 10319 Days

Day: 24.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,373,617 km

• M1: 76,594 km (0.105 R)
• M2: 297,849 km (0.069 R)
• M3: 937,380 km (0.074 R)
• M4: 1,743,414 km (0.103 R)
• M5: 2,015,383 km (0.063 R)
• M6: 2,371,575 km (0.111 R)
• M7: 3,095,180 km (0.103 R)
• M8: 3,326,757 km (0.054 R)
• M9: 5,319,251 km (0.111 R)
• M10: 5,824,144 km (0.108 R)
• M11: 10,704,176 km (0.106 R)
• M12: 12,640,571 km (0.096 R)
• M13: 17,263,295 km (0.074 R)
• M14: 21,286,580 km (0.07 R)
• M15: 22,467,805 km (0.099 R)
• M16: 23,249,903 km (0.078 R)
• M17: 31,229,902 km (0.116 R)
• M18: 41,762,639 km (0.112 R)
• M19: 43,342,093 km (0.098 R)
• M20: 44,688,474 km (0.117 R)
• M21: 45,923,854 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.5

Radius: 6.6

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.5 AU - 8.68 AU

Year: 12804 Days

Day: 21.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,373,617 km

• M1: 116,836 km (0.075 R)
• M2: 402,119 km (0.042 R)
• M3: 1,601,296 km (0.092 R)
• M4: 2,176,350 km (0.114 R)
• M5: 2,714,603 km (0.078 R)
• M6: 6,343,399 km (0.071 R)
• M7: 6,605,195 km (0.04 R)
• M8: 7,185,485 km (0.118 R)
• M9: 7,911,035 km (0.118 R)
• M10: 9,677,636 km (0.09 R)
• M11: 10,157,247 km (0.102 R)
• M12: 11,594,583 km (0.104 R)
• M13: 11,887,645 km (0.093 R)
• M14: 12,286,174 km (0.084 R)
• M15: 17,024,088 km (0.061 R)
• M16: 18,974,545 km (0.102 R)
• M17: 20,853,195 km (0.084 R)
• M18: 24,493,211 km (0.07 R)
• M19: 25,629,706 km (0.09 R)
• M20: 26,800,907 km (0.083 R)
• M21: 29,070,008 km (0.092 R)
• M22: 31,653,413 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.7

Radius: 6.7

Gravity: 19.78 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 8.55 AU - 9.57 AU

Year: 18496 Days

Day: 22 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,373,617 km

• M1: 108,010 km (0.066 R)
• M2: 399,576 km (0.074 R)
• M3: 712,535 km (0.088 R)
• M4: 1,342,192 km (0.089 R)
• M5: 1,580,502 km (0.055 R)
• M6: 2,021,666 km (0.096 R)
• M7: 2,426,627 km (0.094 R)
• M8: 3,257,494 km (0.109 R)
• M9: 3,514,054 km (0.117 R)
• M10: 4,035,403 km (0.119 R)
• M11: 4,785,337 km (0.098 R)
• M12: 5,544,396 km (0.112 R)
• M13: 5,828,183 km (0.101 R)
• M14: 6,738,337 km (0.081 R)
• M15: 9,057,253 km (0.032 R)
• M16: 9,623,781 km (0.118 R)
• M17: 10,456,442 km (0.096 R)
• M18: 11,143,545 km (0.072 R)
• M19: 13,897,343 km (0.104 R)
• M20: 15,510,307 km (0.047 R)
• M21: 20,510,915 km (0.095 R)
• M22: 22,187,758 km (0.067 R)
• M23: 24,382,658 km (0.067 R)
• M24: 28,355,828 km (0.086 R)
• M25: 30,432,695 km (0.059 R)
• M26: 32,347,548 km (0.045 R)
• M27: 33,135,480 km (0.038 R)
• M28: 44,735,747 km (0.092 R)
• M29: 45,060,225 km (0.081 R)
• M30: 45,713,519 km (0.113 R)
• M31: 46,207,790 km (0.071 R)
• M32: 48,050,238 km (0.092 R)
• M33: 52,599,060 km (0.063 R)
• M34: 55,536,265 km (0.099 R)
• M35: 63,968,349 km (0.099 R)
• M36: 65,625,893 km (0.112 R)
• M37: 67,099,432 km (0.105 R)
• M38: 70,989,874 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.4

Radius: 6.7

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 9.17 AU - 10.41 AU

Year: 20776 Days

Day: 17.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,373,617 km

• M1: 83,326 km (0.12 R)
• M2: 304,731 km (0.097 R)
• M3: 637,137 km (0.057 R)
• M4: 1,017,266 km (0.1 R)
• M5: 1,405,771 km (0.045 R)
• M6: 2,746,318 km (0.082 R)
• M7: 2,984,029 km (0.06 R)
• M8: 3,446,585 km (0.095 R)
• M9: 3,695,217 km (0.05 R)
• M10: 5,634,903 km (0.096 R)
• M11: 6,341,155 km (0.057 R)
• M12: 6,715,598 km (0.093 R)
• M13: 7,104,852 km (0.109 R)
• M14: 7,372,482 km (0.109 R)
• M15: 10,547,996 km (0.047 R)
• M16: 12,822,781 km (0.081 R)
• M17: 13,625,673 km (0.058 R)
• M18: 17,739,016 km (0.07 R)
• M19: 18,566,592 km (0.039 R)
• M20: 19,855,677 km (0.115 R)
• M21: 20,387,497 km (0.111 R)
• M22: 21,852,659 km (0.034 R)
• M23: 25,299,394 km (0.078 R)
• M24: 25,715,126 km (0.112 R)
• M25: 32,999,944 km (0.096 R)
• M26: 36,183,387 km (0.111 R)
• M27: 36,578,624 km (0.097 R)
• M28: 39,149,015 km (0.119 R)
• M29: 39,844,944 km (0.09 R)
• M30: 49,982,294 km (0.099 R)
• M31: 53,141,652 km (0.112 R)
• M32: 53,652,379 km (0.052 R)
• M33: 57,319,471 km (0.106 R)
• M34: 58,216,610 km (0.071 R)
• M35: 59,123,023 km (0.048 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 12,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit