🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.2

Radius: 9.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.46 AU - 1.6 AU

Year: 1203 Days

Day: 6.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,672,264 km

• M1: 116,836 km (0.086 R)
• M2: 438,322 km (0.113 R)
• M3: 1,030,131 km (0.055 R)
• M4: 1,438,384 km (0.088 R)
• M5: 2,430,965 km (0.111 R)
• M6: 3,073,937 km (0.082 R)
• M7: 3,447,932 km (0.108 R)
• M8: 3,787,070 km (0.116 R)
• M9: 4,666,257 km (0.044 R)
• M10: 5,607,676 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.7

Radius: 13.4

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.19 AU - 1.91 AU

Year: 1227 Days

Day: 10 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,672,264 km

• M1: 167,550 km (0.045 R)
• M2: 607,816 km (0.114 R)
• M3: 1,096,852 km (0.115 R)
• M4: 1,514,828 km (0.11 R)
• M5: 2,271,045 km (0.087 R)
• M6: 3,895,080 km (0.062 R)
• M7: 4,362,424 km (0.105 R)
• M8: 5,108,169 km (0.086 R)
• M9: 6,705,725 km (0.09 R)
• M10: 7,313,690 km (0.082 R)
• M11: 7,887,249 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361

Radius: 10

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2 AU - 2.04 AU

Year: 1825 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,672,264 km

• M1: 124,765 km (0.09 R)
• M2: 540,048 km (0.026 R)
• M3: 1,105,079 km (0.09 R)
• M4: 1,497,026 km (0.111 R)
• M5: 1,838,707 km (0.032 R)
• M6: 2,506,213 km (0.101 R)
• M7: 2,882,901 km (0.113 R)
• M8: 3,252,856 km (0.079 R)
• M9: 3,968,682 km (0.054 R)
• M10: 5,307,134 km (0.027 R)
• M11: 5,755,479 km (0.05 R)
• M12: 6,159,692 km (0.109 R)
• M13: 6,558,819 km (0.064 R)
• M14: 7,279,582 km (0.102 R)
• M15: 7,726,132 km (0.073 R)
• M16: 9,327,726 km (0.063 R)
• M17: 10,901,346 km (0.032 R)
• M18: 11,312,292 km (0.054 R)
• M19: 11,733,559 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.7

Radius: 14.7

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.87 AU - 2.55 AU

Year: 2089 Days

Day: 9.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,672,264 km

• M1: 182,958 km (0.108 R)
• M2: 661,073 km (0.091 R)
• M3: 1,259,764 km (0.034 R)
• M4: 1,801,757 km (0.115 R)
• M5: 2,642,347 km (0.073 R)
• M6: 5,691,451 km (0.094 R)
• M7: 6,717,543 km (0.047 R)
• M8: 7,235,151 km (0.089 R)
• M9: 8,828,668 km (0.036 R)
• M10: 10,236,833 km (0.101 R)
• M11: 11,208,022 km (0.059 R)
• M12: 13,213,830 km (0.114 R)
• M13: 14,113,213 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.5

Radius: 12.2

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.84 AU - 5.34 AU

Year: 6252 Days

Day: 10.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 123.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,672,264 km

• M1: 152,291 km (0.073 R)
• M2: 581,038 km (0.049 R)
• M3: 1,117,047 km (0.119 R)
• M4: 1,544,598 km (0.106 R)
• M5: 2,192,058 km (0.111 R)
• M6: 3,034,294 km (0.082 R)
• M7: 3,631,937 km (0.106 R)
• M8: 4,435,876 km (0.116 R)
• M9: 5,876,055 km (0.117 R)
• M10: 6,464,423 km (0.067 R)
• M11: 8,880,728 km (0.061 R)
• M12: 10,245,061 km (0.09 R)
• M13: 11,694,066 km (0.067 R)
• M14: 12,467,935 km (0.103 R)
• M15: 14,003,557 km (0.083 R)
• M16: 14,406,425 km (0.073 R)
• M17: 19,578,173 km (0.105 R)
• M18: 20,669,339 km (0.105 R)
• M19: 21,647,410 km (0.079 R)
• M20: 22,498,921 km (0.045 R)
• M21: 23,292,239 km (0.06 R)
• M22: 23,695,704 km (0.051 R)
• M23: 29,943,211 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 13

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.2 AU - 6.98 AU

Year: 8403 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,672,264 km

• M1: 161,715 km (0.035 R)
• M2: 628,012 km (0.113 R)
• M3: 1,035,965 km (0.118 R)
• M4: 1,556,117 km (0.112 R)
• M5: 2,202,081 km (0.083 R)
• M6: 3,081,866 km (0.099 R)
• M7: 4,596,245 km (0.12 R)
• M8: 5,717,032 km (0.049 R)
• M9: 6,492,697 km (0.092 R)
• M10: 7,083,609 km (0.062 R)
• M11: 8,781,545 km (0.092 R)
• M12: 11,267,562 km (0.116 R)
• M13: 11,816,137 km (0.05 R)
• M14: 12,805,578 km (0.077 R)
• M15: 16,106,904 km (0.083 R)
• M16: 17,127,161 km (0.091 R)
• M17: 18,806,846 km (0.06 R)
• M18: 20,446,887 km (0.033 R)
• M19: 22,884,734 km (0.076 R)
• M20: 23,362,550 km (0.088 R)
• M21: 27,072,577 km (0.1 R)
• M22: 27,877,264 km (0.086 R)
• M23: 29,346,913 km (0.068 R)
• M24: 32,042,218 km (0.1 R)
• M25: 34,272,872 km (0.047 R)
• M26: 35,638,551 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.7

Radius: 5

Gravity: 20.31 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.64 AU - 8.12 AU

Year: 11474 Days

Day: 23.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,672,264 km

• M1: 63,280 km (0.105 R)
• M2: 299,645 km (0.084 R)
• M3: 483,351 km (0.054 R)
• M4: 686,205 km (0.094 R)
• M5: 925,861 km (0.091 R)
• M6: 1,449,454 km (0.103 R)
• M7: 2,204,474 km (0.12 R)
• M8: 2,667,480 km (0.076 R)
• M9: 2,944,236 km (0.085 R)
• M10: 3,480,394 km (0.066 R)
• M11: 3,810,856 km (0.098 R)
• M12: 5,086,776 km (0.098 R)
• M13: 5,412,152 km (0.115 R)
• M14: 6,250,049 km (0.063 R)
• M15: 6,585,448 km (0.108 R)
• M16: 7,497,247 km (0.059 R)
• M17: 7,706,086 km (0.109 R)
• M18: 9,714,886 km (0.075 R)
• M19: 10,472,599 km (0.065 R)
• M20: 11,709,773 km (0.054 R)
• M21: 11,991,167 km (0.077 R)
• M22: 12,567,268 km (0.04 R)
• M23: 13,041,344 km (0.109 R)
• M24: 13,774,822 km (0.118 R)
• M25: 23,294,483 km (0.118 R)
• M26: 25,388,853 km (0.095 R)
• M27: 25,860,086 km (0.039 R)
• M28: 28,607,900 km (0.085 R)
• M29: 30,473,535 km (0.071 R)
• M30: 33,085,065 km (0.078 R)
• M31: 35,022,657 km (0.106 R)
• M32: 38,376,791 km (0.085 R)
• M33: 40,004,266 km (0.08 R)
• M34: 42,201,260 km (0.069 R)
• M35: 42,995,475 km (0.051 R)
• M36: 43,262,358 km (0.088 R)
• M37: 46,975,078 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176

Radius: 7.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.41 AU - 8.93 AU

Year: 13506 Days

Day: 19 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,672,264 km

• M1: 97,987 km (0.099 R)
• M2: 368,160 km (0.104 R)
• M3: 698,323 km (0.109 R)
• M4: 1,858,604 km (0.097 R)
• M5: 2,316,822 km (0.072 R)
• M6: 2,600,609 km (0.059 R)
• M7: 3,049,553 km (0.1 R)
• M8: 3,782,881 km (0.107 R)
• M9: 4,281,341 km (0.058 R)
• M10: 4,573,805 km (0.088 R)
• M11: 4,994,175 km (0.099 R)
• M12: 5,379,091 km (0.061 R)
• M13: 5,688,459 km (0.115 R)
• M14: 6,275,481 km (0.102 R)
• M15: 10,676,650 km (0.107 R)
• M16: 10,968,665 km (0.114 R)
• M17: 11,773,652 km (0.032 R)
• M18: 14,722,226 km (0.098 R)
• M19: 15,763,576 km (0.062 R)
• M20: 17,855,703 km (0.101 R)
• M21: 22,265,100 km (0.101 R)
• M22: 22,662,432 km (0.109 R)
• M23: 23,965,429 km (0.084 R)
• M24: 26,720,274 km (0.104 R)
• M25: 27,714,053 km (0.06 R)
• M26: 30,941,328 km (0.067 R)
• M27: 33,468,335 km (0.086 R)
• M28: 35,586,641 km (0.1 R)
• M29: 36,129,831 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 290.5

Radius: 3.3

Gravity: 26.68 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.83 AU - 11.23 AU

Year: 18706 Days

Day: 18.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 54,672,264 km

• M1: 40,990 km (0.081 R)
• M2: 204,201 km (0.11 R)
• M3: 370,404 km (0.079 R)
• M4: 546,930 km (0.089 R)
• M5: 1,279,211 km (0.089 R)
• M6: 1,882,091 km (0.076 R)
• M7: 2,022,264 km (0.106 R)
• M8: 2,526,708 km (0.103 R)
• M9: 2,741,531 km (0.114 R)
• M10: 3,256,895 km (0.065 R)
• M11: 3,382,408 km (0.076 R)
• M12: 3,670,234 km (0.114 R)
• M13: 4,002,491 km (0.064 R)
• M14: 4,663,115 km (0.103 R)
• M15: 5,498,619 km (0.081 R)
• M16: 7,035,139 km (0.095 R)
• M17: 8,933,386 km (0.098 R)
• M18: 9,635,150 km (0.085 R)
• M19: 10,211,700 km (0.111 R)
• M20: 10,318,962 km (0.086 R)
• M21: 13,314,809 km (0.068 R)
• M22: 14,362,293 km (0.058 R)
• M23: 15,182,987 km (0.11 R)
• M24: 15,534,093 km (0.072 R)
• M25: 16,034,648 km (0.112 R)
• M26: 20,178,210 km (0.118 R)
• M27: 21,032,563 km (0.11 R)
• M28: 24,212,715 km (0.076 R)
• M29: 26,066,232 km (0.094 R)
• M30: 29,289,917 km (0.092 R)
• M31: 30,052,866 km (0.088 R)
• M32: 38,037,353 km (0.085 R)
• M33: 39,207,059 km (0.042 R)
• M34: 40,803,717 km (0.104 R)
• M35: 41,481,545 km (0.104 R)
• M36: 44,268,104 km (0.114 R)
• M37: 47,923,528 km (0.109 R)
• M38: 49,440,301 km (0.112 R)
• M39: 49,901,511 km (0.041 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 19,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit