🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.2

Radius: 9.7

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.53 AU - 0.75 AU

Year: 347 Days

Day: 12.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 75,635,209 km

• M1: 120,725 km (0.11 R)
• M2: 493,823 km (0.118 R)
• M3: 904,469 km (0.048 R)
• M4: 1,388,717 km (0.117 R)
• M5: 1,704,967 km (0.118 R)
• M6: 2,279,572 km (0.109 R)
• M7: 2,643,843 km (0.046 R)
• M8: 3,197,056 km (0.106 R)
• M9: 3,545,170 km (0.109 R)
• M10: 4,085,069 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.4

Radius: 10.2

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.68 AU - 1 AU

Year: 522 Days

Day: 8.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 75,635,209 km

• M1: 126,859 km (0.098 R)
• M2: 446,400 km (0.07 R)
• M3: 787,034 km (0.106 R)
• M4: 1,131,110 km (0.107 R)
• M5: 1,474,586 km (0.115 R)
• M6: 1,888,524 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.6

Radius: 8.6

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.36 AU - 1.58 AU

Year: 1209 Days

Day: 12.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,635,209 km

• M1: 106,962 km (0.077 R)
• M2: 390,450 km (0.113 R)
• M3: 798,853 km (0.097 R)
• M4: 1,123,929 km (0.061 R)
• M5: 1,578,706 km (0.026 R)
• M6: 1,877,453 km (0.093 R)
• M7: 2,971,612 km (0.081 R)
• M8: 3,333,340 km (0.09 R)
• M9: 3,634,630 km (0.115 R)
• M10: 4,791,620 km (0.089 R)
• M11: 5,702,072 km (0.103 R)
• M12: 6,029,991 km (0.1 R)
• M13: 6,305,550 km (0.11 R)
• M14: 6,634,067 km (0.092 R)
• M15: 7,469,272 km (0.092 R)
• M16: 8,636,435 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828

Radius: 9.8

Gravity: 8.62 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.21 AU - 2.01 AU

Year: 1386 Days

Day: 7.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,635,209 km

• M1: 121,922 km (0.073 R)
• M2: 595,699 km (0.098 R)
• M3: 1,062,594 km (0.09 R)
• M4: 1,592,469 km (0.099 R)
• M5: 1,919,341 km (0.106 R)
• M6: 3,398,415 km (0.117 R)
• M7: 5,264,199 km (0.117 R)
• M8: 8,124,511 km (0.117 R)
• M9: 9,418,981 km (0.103 R)
• M10: 11,886,748 km (0.053 R)
• M11: 12,450,582 km (0.078 R)
• M12: 13,309,423 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.7

Radius: 8.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.33 AU - 1.89 AU

Year: 1386 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,635,209 km

• M1: 108,907 km (0.078 R)
• M2: 379,530 km (0.119 R)
• M3: 723,754 km (0.104 R)
• M4: 1,448,257 km (0.049 R)
• M5: 1,922,033 km (0.032 R)
• M6: 3,168,632 km (0.12 R)
• M7: 3,441,499 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411

Radius: 14.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.44 AU - 2.34 AU

Year: 1762 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,635,209 km

• M1: 177,872 km (0.067 R)
• M2: 715,078 km (0.106 R)
• M3: 1,216,380 km (0.117 R)
• M4: 2,183,979 km (0.099 R)
• M5: 2,673,464 km (0.091 R)
• M6: 3,207,678 km (0.067 R)
• M7: 3,747,576 km (0.071 R)
• M8: 5,012,277 km (0.11 R)
• M9: 5,987,804 km (0.086 R)
• M10: 7,111,883 km (0.119 R)
• M11: 7,927,341 km (0.12 R)
• M12: 10,030,537 km (0.088 R)
• M13: 10,853,026 km (0.097 R)
• M14: 11,402,798 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.7

Radius: 12.7

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.25 AU - 5.11 AU

Year: 5796 Days

Day: 8 Hours

Environment

Temp: -219 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,635,209 km

• M1: 157,975 km (0.072 R)
• M2: 553,063 km (0.115 R)
• M3: 1,078,601 km (0.047 R)
• M4: 1,647,970 km (0.108 R)
• M5: 2,198,341 km (0.115 R)
• M6: 2,889,184 km (0.073 R)
• M7: 3,297,287 km (0.051 R)
• M8: 3,838,233 km (0.115 R)
• M9: 4,843,979 km (0.118 R)
• M10: 5,364,280 km (0.057 R)
• M11: 7,262,827 km (0.03 R)
• M12: 10,538,422 km (0.045 R)
• M13: 11,515,446 km (0.087 R)
• M14: 12,766,682 km (0.097 R)
• M15: 13,820,001 km (0.085 R)
• M16: 14,870,477 km (0.086 R)
• M17: 16,674,029 km (0.113 R)
• M18: 18,204,714 km (0.106 R)
• M19: 19,827,253 km (0.103 R)
• M20: 24,344,510 km (0.106 R)
• M21: 25,615,643 km (0.086 R)
• M22: 27,650,174 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.3

Radius: 6.9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.41 AU - 7.03 AU

Year: 9279 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,635,209 km

• M1: 88,113 km (0.093 R)
• M2: 323,281 km (0.074 R)
• M3: 755,320 km (0.089 R)
• M4: 1,044,642 km (0.072 R)
• M5: 1,648,419 km (0.071 R)
• M6: 1,986,061 km (0.083 R)
• M7: 3,523,030 km (0.112 R)
• M8: 4,460,111 km (0.116 R)
• M9: 4,934,635 km (0.114 R)
• M10: 5,780,462 km (0.104 R)
• M11: 6,751,202 km (0.097 R)
• M12: 8,819,094 km (0.109 R)
• M13: 9,128,612 km (0.079 R)
• M14: 9,728,649 km (0.064 R)
• M15: 10,227,258 km (0.081 R)
• M16: 17,854,805 km (0.117 R)
• M17: 20,696,417 km (0.06 R)
• M18: 20,968,834 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.8

Radius: 3.6

Gravity: 72.52 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.25 AU - 9.45 AU

Year: 14917 Days

Day: 21.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 75,635,209 km

• M1: 54,005 km (0.09 R)
• M2: 252,222 km (0.091 R)
• M3: 368,460 km (0.097 R)
• M4: 536,608 km (0.072 R)
• M5: 1,338,003 km (0.096 R)
• M6: 1,570,179 km (0.119 R)
• M7: 1,739,674 km (0.062 R)
• M8: 2,055,475 km (0.106 R)
• M9: 2,216,741 km (0.077 R)
• M10: 2,386,535 km (0.073 R)
• M11: 2,610,782 km (0.054 R)
• M12: 3,049,852 km (0.09 R)
• M13: 3,918,417 km (0.118 R)
• M14: 4,295,104 km (0.078 R)
• M15: 4,904,566 km (0.106 R)
• M16: 5,193,290 km (0.113 R)
• M17: 5,608,424 km (0.094 R)
• M18: 5,844,041 km (0.103 R)
• M19: 6,590,684 km (0.103 R)
• M20: 7,122,355 km (0.1 R)
• M21: 8,120,621 km (0.063 R)
• M22: 8,994,422 km (0.109 R)
• M23: 12,183,400 km (0.116 R)
• M24: 14,830,983 km (0.109 R)
• M25: 17,420,971 km (0.041 R)
• M26: 18,691,955 km (0.11 R)
• M27: 21,416,730 km (0.11 R)
• M28: 24,602,716 km (0.117 R)
• M29: 26,199,075 km (0.049 R)
• M30: 30,670,555 km (0.042 R)
• M31: 33,149,093 km (0.096 R)
• M32: 36,838,924 km (0.055 R)
• M33: 38,500,658 km (0.094 R)
• M34: 40,647,088 km (0.052 R)
• M35: 41,379,968 km (0.109 R)
• M36: 41,527,621 km (0.116 R)
• M37: 44,245,365 km (0.076 R)
• M38: 52,931,317 km (0.053 R)
• M39: 54,865,917 km (0.09 R)
• M40: 58,689,339 km (0.091 R)
• M41: 63,467,944 km (0.045 R)
• M42: 66,052,247 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.6

Radius: 3

Gravity: 53.51 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 9.21 AU - 12.13 AU

Year: 23639 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 75,635,209 km

• M1: 37,399 km (0.11 R)
• M2: 132,544 km (0.082 R)
• M3: 297,550 km (0.117 R)
• M4: 1,218,475 km (0.049 R)
• M5: 2,161,240 km (0.099 R)
• M6: 2,491,403 km (0.064 R)
• M7: 2,608,538 km (0.118 R)
• M8: 2,905,041 km (0.112 R)
• M9: 3,535,147 km (0.041 R)
• M10: 3,653,330 km (0.037 R)
• M11: 3,992,169 km (0.099 R)
• M12: 4,351,353 km (0.115 R)
• M13: 4,453,080 km (0.1 R)
• M14: 5,134,049 km (0.087 R)
• M15: 5,840,600 km (0.094 R)
• M16: 7,252,654 km (0.093 R)
• M17: 10,124,485 km (0.089 R)
• M18: 12,007,473 km (0.101 R)
• M19: 12,821,884 km (0.098 R)
• M20: 14,863,745 km (0.086 R)
• M21: 15,172,066 km (0.11 R)
• M22: 15,642,552 km (0.051 R)
• M23: 16,284,925 km (0.085 R)
• M24: 17,451,040 km (0.09 R)
• M25: 18,671,609 km (0.085 R)
• M26: 19,485,571 km (0.075 R)
• M27: 21,183,956 km (0.115 R)
• M28: 23,494,495 km (0.067 R)
• M29: 25,745,794 km (0.049 R)
• M30: 25,856,346 km (0.06 R)
• M31: 27,439,092 km (0.071 R)
• M32: 38,888,714 km (0.111 R)
• M33: 39,768,350 km (0.062 R)
• M34: 41,567,264 km (0.116 R)
• M35: 44,525,263 km (0.073 R)
• M36: 47,787,095 km (0.105 R)
• M37: 54,964,651 km (0.051 R)
• M38: 56,630,872 km (0.056 R)
• M39: 67,130,698 km (0.106 R)
• M40: 68,183,418 km (0.084 R)
• M41: 72,946,166 km (0.113 R)
• M42: 74,956,911 km (0.065 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: 212 - 11,777 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit