🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.7

Radius: 11

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.98 AU - 1.48 AU

Year: 925 Days

Day: 13.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,202,315 km

• M1: 136,882 km (0.079 R)
• M2: 371,302 km (0.112 R)
• M3: 582,235 km (0.108 R)
• M4: 811,120 km (0.103 R)
• M5: 1,024,596 km (0.107 R)
• M6: 1,338,003 km (0.08 R)
• M7: 1,570,628 km (0.027 R)
• M8: 1,858,006 km (0.099 R)
• M9: 2,134,462 km (0.103 R)
• M10: 2,644,292 km (0.063 R)
• M11: 2,866,594 km (0.1 R)
• M12: 4,617,637 km (0.113 R)
• M13: 5,115,499 km (0.093 R)
• M14: 5,856,607 km (0.095 R)
• M15: 6,270,694 km (0.111 R)
• M16: 6,800,270 km (0.081 R)
• M17: 7,038,729 km (0.082 R)
• M18: 7,404,496 km (0.054 R)
• M19: 9,554,666 km (0.052 R)
• M20: 9,960,525 km (0.057 R)
• M21: 10,564,302 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.7

Radius: 10.8

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.42 AU - 1.9 AU

Year: 1451 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,202,315 km

• M1: 138,976 km (0.115 R)
• M2: 429,645 km (0.06 R)
• M3: 741,257 km (0.075 R)
• M4: 1,001,408 km (0.09 R)
• M5: 1,208,302 km (0.118 R)
• M6: 1,572,722 km (0.109 R)
• M7: 1,951,205 km (0.115 R)
• M8: 2,417,352 km (0.101 R)
• M9: 4,062,629 km (0.107 R)
• M10: 4,281,042 km (0.052 R)
• M11: 4,550,917 km (0.113 R)
• M12: 4,971,736 km (0.087 R)
• M13: 5,361,887 km (0.115 R)
• M14: 5,681,428 km (0.11 R)
• M15: 6,403,238 km (0.115 R)
• M16: 7,016,290 km (0.077 R)
• M17: 8,349,057 km (0.055 R)
• M18: 8,579,139 km (0.112 R)
• M19: 12,234,263 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.5

Radius: 9.9

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.55 AU - 2.37 AU

Year: 1861 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 67,202,315 km

• M1: 123,269 km (0.069 R)
• M2: 442,062 km (0.074 R)
• M3: 910,004 km (0.098 R)
• M4: 1,139,936 km (0.092 R)
• M5: 2,201,033 km (0.073 R)
• M6: 2,730,460 km (0.089 R)
• M7: 3,161,003 km (0.089 R)
• M8: 3,546,966 km (0.089 R)
• M9: 4,345,369 km (0.088 R)
• M10: 5,274,372 km (0.07 R)
• M11: 5,790,036 km (0.109 R)
• M12: 6,073,973 km (0.094 R)
• M13: 6,416,851 km (0.041 R)
• M14: 7,673,623 km (0.068 R)
• M15: 8,118,078 km (0.114 R)
• M16: 8,655,882 km (0.117 R)
• M17: 9,719,523 km (0.069 R)
• M18: 10,263,760 km (0.109 R)
• M19: 11,281,175 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.1

Radius: 9.4

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.41 AU - 2.45 AU

Year: 2569 Days

Day: 7.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,202,315 km

• M1: 118,182 km (0.091 R)
• M2: 1,059,751 km (0.039 R)
• M3: 1,450,351 km (0.106 R)
• M4: 1,770,640 km (0.08 R)
• M5: 2,015,383 km (0.075 R)
• M6: 2,367,835 km (0.072 R)
• M7: 2,879,609 km (0.104 R)
• M8: 3,787,369 km (0.07 R)
• M9: 6,333,076 km (0.087 R)
• M10: 6,686,875 km (0.101 R)
• M11: 7,259,386 km (0.083 R)
• M12: 7,447,730 km (0.103 R)
• M13: 7,662,403 km (0.072 R)
• M14: 10,650,471 km (0.118 R)
• M15: 12,607,809 km (0.086 R)
• M16: 13,170,447 km (0.117 R)
• M17: 13,360,735 km (0.097 R)
• M18: 18,379,295 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.4

Radius: 8.4

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.79 AU - 3.63 AU

Year: 3901 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,202,315 km

• M1: 112,946 km (0.034 R)
• M2: 302,038 km (0.075 R)
• M3: 463,305 km (0.054 R)
• M4: 982,708 km (0.065 R)
• M5: 1,551,180 km (0.084 R)
• M6: 2,478,986 km (0.103 R)
• M7: 2,707,572 km (0.105 R)
• M8: 3,196,159 km (0.064 R)
• M9: 3,421,004 km (0.045 R)
• M10: 3,653,629 km (0.066 R)
• M11: 4,663,265 km (0.109 R)
• M12: 4,829,767 km (0.095 R)
• M13: 5,570,726 km (0.061 R)
• M14: 5,730,047 km (0.094 R)
• M15: 6,585,149 km (0.096 R)
• M16: 7,474,508 km (0.12 R)
• M17: 7,632,783 km (0.042 R)
• M18: 8,589,162 km (0.117 R)
• M19: 8,987,690 km (0.08 R)
• M20: 9,248,739 km (0.088 R)
• M21: 10,454,647 km (0.083 R)
• M22: 11,375,721 km (0.116 R)
• M23: 11,603,858 km (0.112 R)
• M24: 12,573,551 km (0.088 R)
• M25: 14,011,486 km (0.077 R)
• M26: 14,852,525 km (0.108 R)
• M27: 16,726,538 km (0.059 R)
• M28: 18,422,080 km (0.066 R)
• M29: 19,173,959 km (0.058 R)
• M30: 21,699,321 km (0.102 R)
• M31: 22,378,046 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.6

Radius: 6

Gravity: 26.38 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 4.85 AU - 7.09 AU

Year: 9894 Days

Day: 16.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 67,202,315 km

• M1: 172,636 km (0.105 R)
• M2: 341,682 km (0.109 R)
• M3: 503,846 km (0.055 R)
• M4: 984,055 km (0.119 R)
• M5: 1,204,113 km (0.06 R)
• M6: 5,200,022 km (0.118 R)
• M7: 6,308,991 km (0.062 R)
• M8: 6,715,299 km (0.067 R)
• M9: 6,980,536 km (0.096 R)
• M10: 7,290,054 km (0.096 R)
• M11: 7,807,363 km (0.107 R)
• M12: 10,615,465 km (0.089 R)
• M13: 11,532,799 km (0.103 R)
• M14: 13,269,630 km (0.074 R)
• M15: 13,911,854 km (0.065 R)
• M16: 14,791,938 km (0.104 R)
• M17: 15,412,769 km (0.046 R)
• M18: 15,641,654 km (0.096 R)
• M19: 17,291,569 km (0.109 R)
• M20: 18,898,101 km (0.117 R)
• M21: 20,708,235 km (0.087 R)
• M22: 23,579,317 km (0.06 R)
• M23: 24,578,033 km (0.11 R)
• M24: 25,303,881 km (0.112 R)
• M25: 25,523,790 km (0.071 R)
• M26: 26,712,495 km (0.097 R)
• M27: 26,938,388 km (0.068 R)
• M28: 27,545,456 km (0.117 R)
• M29: 28,858,028 km (0.108 R)
• M30: 29,014,507 km (0.038 R)
• M31: 29,171,286 km (0.117 R)
• M32: 32,149,630 km (0.063 R)
• M33: 34,842,391 km (0.102 R)
• M34: 35,967,367 km (0.079 R)
• M35: 37,822,530 km (0.087 R)
• M36: 39,816,072 km (0.074 R)
• M37: 40,276,235 km (0.04 R)
• M38: 40,925,041 km (0.102 R)
• M39: 44,150,072 km (0.063 R)
• M40: 45,024,322 km (0.03 R)
• M41: 45,808,663 km (0.08 R)
• M42: 46,203,302 km (0.09 R)
• M43: 46,699,070 km (0.101 R)
• M44: 50,864,024 km (0.081 R)
• M45: 51,071,666 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.8

Radius: 5.6

Gravity: 24.9 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.77 AU - 9.37 AU

Year: 15549 Days

Day: 18.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 67,202,315 km

• M1: 86,767 km (0.069 R)
• M2: 287,826 km (0.101 R)
• M3: 488,587 km (0.11 R)
• M4: 727,644 km (0.103 R)
• M5: 881,879 km (0.056 R)
• M6: 1,520,363 km (0.045 R)
• M7: 2,417,202 km (0.101 R)
• M8: 2,544,361 km (0.092 R)
• M9: 3,468,277 km (0.078 R)
• M10: 4,165,403 km (0.107 R)
• M11: 4,713,081 km (0.119 R)
• M12: 6,479,533 km (0.091 R)
• M13: 7,469,272 km (0.089 R)
• M14: 8,199,609 km (0.079 R)
• M15: 9,510,236 km (0.077 R)
• M16: 13,244,348 km (0.105 R)
• M17: 13,483,406 km (0.101 R)
• M18: 17,805,887 km (0.1 R)
• M19: 18,714,394 km (0.111 R)
• M20: 21,500,056 km (0.076 R)
• M21: 23,597,269 km (0.08 R)
• M22: 24,076,581 km (0.029 R)
• M23: 25,131,694 km (0.058 R)
• M24: 25,875,495 km (0.035 R)
• M25: 31,294,678 km (0.103 R)
• M26: 32,870,691 km (0.115 R)
• M27: 34,197,774 km (0.056 R)
• M28: 37,530,216 km (0.111 R)
• M29: 38,641,728 km (0.099 R)
• M30: 41,333,144 km (0.071 R)
• M31: 45,540,584 km (0.059 R)
• M32: 47,325,735 km (0.078 R)
• M33: 49,260,185 km (0.104 R)
• M34: 53,365,001 km (0.098 R)
• M35: 55,174,537 km (0.072 R)
• M36: 55,540,154 km (0.041 R)
• M37: 66,666,346 km (0.048 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 19,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit