🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.3

Radius: 12.1

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.64 AU - 0.96 AU

Year: 477 Days

Day: 5.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 76,047,635 km

• M1: 150,495 km (0.104 R)
• M2: 585,227 km (0.095 R)
• M3: 1,069,326 km (0.114 R)
• M4: 1,470,248 km (0.09 R)
• M5: 1,900,641 km (0.066 R)
• M6: 2,294,682 km (0.038 R)
• M7: 2,712,658 km (0.052 R)
• M8: 3,704,941 km (0.046 R)
• M9: 5,195,085 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.3

Radius: 13.7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.75 AU - 1.03 AU

Year: 560 Days

Day: 9.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 76,047,635 km

• M1: 170,392 km (0.103 R)
• M2: 608,415 km (0.092 R)
• M3: 1,575,266 km (0.029 R)
• M4: 2,033,185 km (0.061 R)
• M5: 2,838,171 km (0.09 R)
• M6: 3,276,343 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.3

Radius: 11.7

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.85 AU - 0.95 AU

Year: 569 Days

Day: 13.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,047,635 km

• M1: 145,559 km (0.099 R)
• M2: 599,439 km (0.059 R)
• M3: 1,399,189 km (0.107 R)
• M4: 1,976,337 km (0.069 R)
• M5: 2,610,034 km (0.101 R)
• M6: 3,261,234 km (0.069 R)
• M7: 4,209,534 km (0.093 R)
• M8: 4,921,471 km (0.102 R)
• M9: 5,861,095 km (0.106 R)
• M10: 6,423,882 km (0.07 R)
• M11: 7,150,928 km (0.069 R)
• M12: 7,568,007 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.8

Radius: 8.3

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.21 AU - 3.45 AU

Year: 4052 Days

Day: 5.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,047,635 km

• M1: 103,223 km (0.062 R)
• M2: 465,848 km (0.034 R)
• M3: 725,849 km (0.071 R)
• M4: 1,024,745 km (0.034 R)
• M5: 1,913,656 km (0.073 R)
• M6: 2,275,533 km (0.07 R)
• M7: 2,629,332 km (0.031 R)
• M8: 3,107,896 km (0.109 R)
• M9: 3,795,148 km (0.107 R)
• M10: 4,129,500 km (0.079 R)
• M11: 6,517,530 km (0.025 R)
• M12: 9,636,496 km (0.112 R)
• M13: 11,158,655 km (0.055 R)
• M14: 13,348,768 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.4

Radius: 14.4

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.09 AU - 4.43 AU

Year: 4862 Days

Day: 10.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,047,635 km

• M1: 179,069 km (0.118 R)
• M2: 672,442 km (0.116 R)
• M3: 1,193,941 km (0.029 R)
• M4: 1,734,737 km (0.027 R)
• M5: 2,399,101 km (0.055 R)
• M6: 2,954,259 km (0.109 R)
• M7: 3,505,677 km (0.052 R)
• M8: 4,907,109 km (0.057 R)
• M9: 5,514,028 km (0.105 R)
• M10: 6,850,834 km (0.085 R)
• M11: 7,641,310 km (0.111 R)
• M12: 8,923,513 km (0.071 R)
• M13: 9,759,017 km (0.106 R)
• M14: 10,799,321 km (0.108 R)
• M15: 12,243,838 km (0.111 R)
• M16: 13,677,883 km (0.101 R)
• M17: 14,647,277 km (0.072 R)
• M18: 15,661,999 km (0.113 R)
• M19: 17,297,703 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.6

Radius: 13.4

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.99 AU - 4.15 AU

Year: 5475 Days

Day: 12.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,047,635 km

• M1: 166,652 km (0.051 R)
• M2: 1,023,399 km (0.048 R)
• M3: 2,414,659 km (0.07 R)
• M4: 2,837,273 km (0.039 R)
• M5: 3,426,090 km (0.093 R)
• M6: 4,007,278 km (0.057 R)
• M7: 4,776,510 km (0.083 R)
• M8: 5,895,652 km (0.1 R)
• M9: 7,788,364 km (0.116 R)
• M10: 9,935,094 km (0.097 R)
• M11: 12,932,736 km (0.108 R)
• M12: 14,611,374 km (0.084 R)
• M13: 15,530,802 km (0.082 R)
• M14: 17,070,015 km (0.109 R)
• M15: 17,604,977 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.3

Radius: 6.5

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.95 AU - 8.61 AU

Year: 14471 Days

Day: 15.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,047,635 km

• M1: 83,176 km (0.076 R)
• M2: 445,054 km (0.109 R)
• M3: 780,153 km (0.085 R)
• M4: 1,046,587 km (0.1 R)
• M5: 1,749,697 km (0.12 R)
• M6: 2,549,746 km (0.095 R)
• M7: 2,994,052 km (0.108 R)
• M8: 3,516,298 km (0.089 R)
• M9: 4,347,015 km (0.066 R)
• M10: 4,606,866 km (0.053 R)
• M11: 5,265,695 km (0.078 R)
• M12: 7,163,344 km (0.07 R)
• M13: 7,665,844 km (0.108 R)
• M14: 8,289,517 km (0.075 R)
• M15: 8,538,298 km (0.076 R)
• M16: 11,799,831 km (0.054 R)
• M17: 16,345,512 km (0.096 R)
• M18: 20,547,866 km (0.109 R)
• M19: 20,912,286 km (0.088 R)
• M20: 22,605,585 km (0.106 R)
• M21: 26,476,729 km (0.067 R)
• M22: 31,847,891 km (0.065 R)
• M23: 32,335,879 km (0.099 R)
• M24: 35,110,022 km (0.111 R)
• M25: 35,761,969 km (0.1 R)
• M26: 36,156,908 km (0.108 R)
• M27: 37,765,982 km (0.108 R)
• M28: 39,003,755 km (0.062 R)
• M29: 41,559,934 km (0.098 R)
• M30: 46,532,418 km (0.076 R)
• M31: 50,223,296 km (0.066 R)
• M32: 51,551,576 km (0.108 R)
• M33: 55,324,584 km (0.089 R)
• M34: 59,094,001 km (0.081 R)
• M35: 65,357,664 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.6

Radius: 5.4

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.42 AU - 8.86 AU

Year: 16936 Days

Day: 18.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 76,047,635 km

• M1: 75,697 km (0.105 R)
• M2: 294,708 km (0.077 R)
• M3: 466,297 km (0.112 R)
• M4: 835,355 km (0.108 R)
• M5: 1,073,365 km (0.1 R)
• M6: 2,087,788 km (0.113 R)
• M7: 5,754,731 km (0.052 R)
• M8: 6,809,545 km (0.116 R)
• M9: 9,777,118 km (0.098 R)
• M10: 14,189,508 km (0.091 R)
• M11: 21,383,520 km (0.051 R)
• M12: 24,055,936 km (0.058 R)
• M13: 24,779,990 km (0.107 R)
• M14: 30,156,537 km (0.042 R)
• M15: 33,281,786 km (0.065 R)
• M16: 34,067,325 km (0.087 R)
• M17: 34,635,797 km (0.106 R)
• M18: 35,442,428 km (0.113 R)
• M19: 35,791,889 km (0.069 R)
• M20: 38,670,900 km (0.098 R)
• M21: 40,673,716 km (0.113 R)
• M22: 44,749,061 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.8

Radius: 7.5

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 7.4 AU - 12.04 AU

Year: 20208 Days

Day: 23.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,047,635 km

• M1: 93,349 km (0.079 R)
• M2: 334,351 km (0.059 R)
• M3: 875,596 km (0.106 R)
• M4: 1,174,792 km (0.104 R)
• M5: 1,669,961 km (0.1 R)
• M6: 2,156,304 km (0.117 R)
• M7: 3,658,117 km (0.09 R)
• M8: 6,475,942 km (0.105 R)
• M9: 6,945,829 km (0.099 R)
• M10: 7,392,678 km (0.051 R)
• M11: 9,161,224 km (0.103 R)
• M12: 12,838,340 km (0.083 R)
• M13: 13,443,164 km (0.109 R)
• M14: 14,421,235 km (0.046 R)
• M15: 15,976,305 km (0.083 R)
• M16: 16,596,986 km (0.04 R)
• M17: 22,250,439 km (0.098 R)
• M18: 24,523,878 km (0.071 R)
• M19: 26,947,663 km (0.117 R)
• M20: 29,181,309 km (0.117 R)
• M21: 29,758,457 km (0.098 R)
• M22: 33,382,166 km (0.105 R)
• M23: 35,299,862 km (0.113 R)
• M24: 37,696,419 km (0.109 R)
• M25: 40,057,523 km (0.032 R)
• M26: 42,074,551 km (0.103 R)
• M27: 50,655,335 km (0.095 R)
• M28: 51,488,745 km (0.112 R)
• M29: 63,362,328 km (0.105 R)
• M30: 65,306,950 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.6

Radius: 4.4

Gravity: 33.66 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.59 AU - 12.03 AU

Year: 20490 Days

Day: 15.8 Hours

Environment

Temp: -245 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,047,635 km

• M1: 54,753 km (0.09 R)
• M2: 206,744 km (0.108 R)
• M3: 377,735 km (0.098 R)
• M4: 1,199,925 km (0.088 R)
• M5: 1,453,044 km (0.103 R)
• M6: 1,600,847 km (0.044 R)
• M7: 1,946,717 km (0.12 R)
• M8: 2,475,546 km (0.103 R)
• M9: 2,687,526 km (0.104 R)
• M10: 2,937,354 km (0.093 R)
• M11: 4,224,644 km (0.106 R)
• M12: 5,140,482 km (0.107 R)
• M13: 5,408,113 km (0.05 R)
• M14: 6,181,384 km (0.043 R)
• M15: 6,616,714 km (0.094 R)
• M16: 6,887,636 km (0.067 R)
• M17: 8,302,383 km (0.104 R)
• M18: 8,778,104 km (0.115 R)
• M19: 10,194,646 km (0.105 R)
• M20: 16,633,937 km (0.087 R)
• M21: 17,473,929 km (0.081 R)
• M22: 19,512,499 km (0.092 R)
• M23: 23,530,099 km (0.098 R)
• M24: 25,346,068 km (0.098 R)
• M25: 27,715,698 km (0.028 R)
• M26: 30,599,796 km (0.06 R)
• M27: 40,291,045 km (0.039 R)
• M28: 42,416,382 km (0.118 R)
• M29: 44,455,700 km (0.079 R)
• M30: 45,257,096 km (0.115 R)
• M31: 45,905,154 km (0.089 R)
• M32: 53,267,015 km (0.119 R)
• M33: 56,381,941 km (0.109 R)
• M34: 58,461,053 km (0.061 R)
• M35: 58,652,538 km (0.107 R)
• M36: 60,394,755 km (0.109 R)
• M37: 61,180,144 km (0.094 R)
• M38: 63,779,407 km (0.104 R)
• M39: 72,017,462 km (0.047 R)
• M40: 73,790,496 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 16,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit