🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769

Radius: 14.7

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.49 AU - 0.61 AU

Year: 272 Days

Day: 5.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,705,833 km

• M1: 183,108 km (0.095 R)
• M2: 950,096 km (0.063 R)
• M3: 1,414,298 km (0.036 R)
• M4: 2,133,415 km (0.104 R)
• M5: 2,837,572 km (0.075 R)
• M6: 3,344,709 km (0.049 R)
• M7: 3,900,914 km (0.059 R)
• M8: 4,466,843 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.3

Radius: 12.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.85 AU - 1.27 AU

Year: 728 Days

Day: 10.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 67.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 68,705,833 km

• M1: 155,582 km (0.055 R)
• M2: 794,664 km (0.075 R)
• M3: 1,236,875 km (0.075 R)
• M4: 1,788,143 km (0.112 R)
• M5: 2,243,968 km (0.103 R)
• M6: 3,510,763 km (0.095 R)
• M7: 4,129,051 km (0.041 R)
• M8: 4,848,317 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.2

Radius: 15

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.85 AU - 1.97 AU

Year: 1760 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,705,833 km

• M1: 186,549 km (0.096 R)
• M2: 681,418 km (0.118 R)
• M3: 1,710,203 km (0.033 R)
• M4: 2,351,529 km (0.079 R)
• M5: 2,977,895 km (0.103 R)
• M6: 3,969,131 km (0.097 R)
• M7: 4,532,965 km (0.098 R)
• M8: 5,845,836 km (0.07 R)
• M9: 6,653,216 km (0.107 R)
• M10: 7,136,118 km (0.104 R)
• M11: 7,697,110 km (0.103 R)
• M12: 8,549,818 km (0.116 R)
• M13: 10,545,603 km (0.082 R)
• M14: 12,262,986 km (0.115 R)
• M15: 12,758,604 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.4

Radius: 14.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.82 AU - 2.8 AU

Year: 2341 Days

Day: 12.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,705,833 km

• M1: 198,516 km (0.111 R)
• M2: 655,987 km (0.073 R)
• M3: 1,569,880 km (0.087 R)
• M4: 3,787,070 km (0.115 R)
• M5: 4,507,234 km (0.117 R)
• M6: 4,977,720 km (0.106 R)
• M7: 5,745,605 km (0.099 R)
• M8: 6,863,251 km (0.111 R)
• M9: 8,028,768 km (0.037 R)
• M10: 9,053,214 km (0.086 R)
• M11: 10,454,198 km (0.091 R)
• M12: 11,245,422 km (0.048 R)
• M13: 16,807,321 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.7

Radius: 12.1

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.6 AU - 3 AU

Year: 3124 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,705,833 km

• M1: 150,495 km (0.064 R)
• M2: 546,631 km (0.06 R)
• M3: 1,027,438 km (0.103 R)
• M4: 1,648,569 km (0.081 R)
• M5: 2,084,946 km (0.111 R)
• M6: 3,283,673 km (0.101 R)
• M7: 3,727,231 km (0.103 R)
• M8: 4,511,722 km (0.117 R)
• M9: 8,015,005 km (0.099 R)
• M10: 8,446,894 km (0.111 R)
• M11: 8,894,341 km (0.118 R)
• M12: 9,613,608 km (0.114 R)
• M13: 11,582,166 km (0.09 R)
• M14: 13,248,387 km (0.093 R)
• M15: 14,331,476 km (0.118 R)
• M16: 18,048,235 km (0.055 R)
• M17: 19,142,544 km (0.118 R)
• M18: 20,773,011 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 11.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.26 AU - 4.5 AU

Year: 5097 Days

Day: 5.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,705,833 km

• M1: 147,952 km (0.113 R)
• M2: 752,477 km (0.103 R)
• M3: 1,282,951 km (0.119 R)
• M4: 1,691,503 km (0.079 R)
• M5: 2,260,723 km (0.106 R)
• M6: 3,352,937 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524

Radius: 5.4

Gravity: 17.97 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 5.3 AU - 6.74 AU

Year: 9850 Days

Day: 17.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 68,705,833 km

• M1: 67,169 km (0.109 R)
• M2: 509,979 km (0.109 R)
• M3: 744,249 km (0.097 R)
• M4: 1,447,509 km (0.113 R)
• M5: 1,696,141 km (0.084 R)
• M6: 1,924,876 km (0.106 R)
• M7: 2,208,962 km (0.064 R)
• M8: 2,426,029 km (0.054 R)
• M9: 2,840,265 km (0.113 R)
• M10: 3,584,814 km (0.082 R)
• M11: 3,963,147 km (0.095 R)
• M12: 4,594,599 km (0.033 R)
• M13: 6,054,824 km (0.066 R)
• M14: 6,373,019 km (0.085 R)
• M15: 6,739,534 km (0.102 R)
• M16: 7,474,658 km (0.092 R)
• M17: 7,923,900 km (0.091 R)
• M18: 9,286,737 km (0.029 R)
• M19: 10,494,141 km (0.045 R)
• M20: 11,857,277 km (0.074 R)
• M21: 15,185,680 km (0.115 R)
• M22: 16,105,707 km (0.105 R)
• M23: 16,375,282 km (0.113 R)
• M24: 20,080,971 km (0.109 R)
• M25: 25,566,127 km (0.028 R)
• M26: 26,210,445 km (0.11 R)
• M27: 27,054,775 km (0.103 R)
• M28: 30,203,660 km (0.08 R)
• M29: 30,408,161 km (0.078 R)
• M30: 31,235,587 km (0.084 R)
• M31: 35,032,680 km (0.091 R)
• M32: 37,688,640 km (0.071 R)
• M33: 41,099,322 km (0.045 R)
• M34: 41,350,647 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.4

Radius: 4.4

Gravity: 31.12 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.78 AU - 6.68 AU

Year: 10370 Days

Day: 15.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,705,833 km

• M1: 55,052 km (0.068 R)
• M2: 204,051 km (0.105 R)
• M3: 347,516 km (0.078 R)
• M4: 664,663 km (0.1 R)
• M5: 815,757 km (0.099 R)
• M6: 1,032,076 km (0.079 R)
• M7: 1,414,448 km (0.096 R)
• M8: 2,104,244 km (0.107 R)
• M9: 4,085,069 km (0.117 R)
• M10: 5,284,395 km (0.117 R)
• M11: 6,548,647 km (0.079 R)
• M12: 6,972,009 km (0.095 R)
• M13: 7,536,890 km (0.117 R)
• M14: 8,131,841 km (0.089 R)
• M15: 8,351,750 km (0.057 R)
• M16: 9,366,622 km (0.051 R)
• M17: 11,805,217 km (0.096 R)
• M18: 12,841,481 km (0.07 R)
• M19: 14,315,469 km (0.092 R)
• M20: 14,765,759 km (0.061 R)
• M21: 15,626,994 km (0.105 R)
• M22: 16,521,290 km (0.041 R)
• M23: 17,594,804 km (0.116 R)
• M24: 19,329,990 km (0.082 R)
• M25: 23,312,285 km (0.105 R)
• M26: 23,489,110 km (0.107 R)
• M27: 27,217,238 km (0.065 R)
• M28: 27,907,782 km (0.071 R)
• M29: 33,857,888 km (0.106 R)
• M30: 35,584,247 km (0.064 R)
• M31: 40,856,525 km (0.101 R)
• M32: 43,209,849 km (0.033 R)
• M33: 45,376,325 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.6

Radius: 7.6

Gravity: 16.84 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.63 AU - 10.51 AU

Year: 19742 Days

Day: 15.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,705,833 km

• M1: 98,435 km (0.113 R)
• M2: 391,946 km (0.092 R)
• M3: 648,357 km (0.119 R)
• M4: 1,652,757 km (0.102 R)
• M5: 1,973,645 km (0.085 R)
• M6: 2,895,766 km (0.091 R)
• M7: 3,193,615 km (0.104 R)
• M8: 4,179,017 km (0.077 R)
• M9: 5,274,372 km (0.117 R)
• M10: 5,846,434 km (0.112 R)
• M11: 6,191,407 km (0.107 R)
• M12: 6,459,038 km (0.076 R)
• M13: 8,609,507 km (0.093 R)
• M14: 9,113,652 km (0.085 R)
• M15: 11,729,819 km (0.04 R)
• M16: 12,279,442 km (0.104 R)
• M17: 13,653,498 km (0.114 R)
• M18: 14,967,267 km (0.098 R)
• M19: 17,399,579 km (0.101 R)
• M20: 17,754,574 km (0.113 R)
• M21: 20,278,291 km (0.09 R)
• M22: 22,609,025 km (0.114 R)
• M23: 25,225,343 km (0.092 R)
• M24: 26,256,371 km (0.075 R)
• M25: 28,894,679 km (0.112 R)
• M26: 31,180,684 km (0.065 R)
• M27: 31,968,766 km (0.042 R)
• M28: 35,822,856 km (0.048 R)
• M29: 38,908,761 km (0.105 R)
• M30: 41,218,552 km (0.107 R)
• M31: 54,149,792 km (0.102 R)
• M32: 60,809,739 km (0.08 R)
• M33: 61,422,343 km (0.093 R)
• M34: 72,705,014 km (0.086 R)
• M35: 73,857,516 km (0.116 R)
• M36: 78,348,294 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430

Radius: 4.9

Gravity: 17.91 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.61 AU - 11.75 AU

Year: 21660 Days

Day: 24.7 Hours

Environment

Temp: -244 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 68,705,833 km

• M1: 98,735 km (0.113 R)
• M2: 306,825 km (0.112 R)
• M3: 652,396 km (0.079 R)
• M4: 929,302 km (0.107 R)
• M5: 1,095,356 km (0.051 R)
• M6: 2,374,118 km (0.117 R)
• M7: 3,080,370 km (0.068 R)
• M8: 4,039,591 km (0.104 R)
• M9: 4,259,500 km (0.081 R)
• M10: 5,256,420 km (0.059 R)
• M11: 5,518,665 km (0.037 R)
• M12: 7,279,283 km (0.108 R)
• M13: 7,511,010 km (0.098 R)
• M14: 8,437,320 km (0.065 R)
• M15: 8,849,163 km (0.099 R)
• M16: 10,455,096 km (0.088 R)
• M17: 12,051,604 km (0.03 R)
• M18: 13,454,384 km (0.086 R)
• M19: 13,803,695 km (0.12 R)
• M20: 15,489,214 km (0.086 R)
• M21: 16,263,084 km (0.107 R)
• M22: 21,836,053 km (0.104 R)
• M23: 22,415,895 km (0.059 R)
• M24: 24,629,644 km (0.039 R)
• M25: 25,152,488 km (0.073 R)
• M26: 25,575,850 km (0.037 R)
• M27: 26,546,142 km (0.112 R)
• M28: 27,877,563 km (0.1 R)
• M29: 28,330,994 km (0.108 R)
• M30: 28,674,321 km (0.066 R)
• M31: 31,034,677 km (0.05 R)
• M32: 31,644,438 km (0.039 R)
• M33: 32,887,745 km (0.107 R)
• M34: 34,163,217 km (0.102 R)
• M35: 38,606,124 km (0.105 R)
• M36: 41,772,662 km (0.102 R)
• M37: 42,217,417 km (0.084 R)
• M38: 43,418,987 km (0.094 R)
• M39: 44,181,487 km (0.095 R)
• M40: 45,108,096 km (0.041 R)
• M41: 47,481,317 km (0.101 R)
• M42: 52,647,081 km (0.085 R)
• M43: 55,275,964 km (0.064 R)
• M44: 55,454,285 km (0.102 R)
• M45: 57,258,435 km (0.066 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 12,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit