🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.3

Radius: 13.8

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.93 AU - 1.07 AU

Year: 678 Days

Day: 10.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,117,560 km

• M1: 171,589 km (0.113 R)
• M2: 886,816 km (0.083 R)
• M3: 1,656,796 km (0.101 R)
• M4: 2,235,591 km (0.092 R)
• M5: 2,733,452 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.9

Radius: 10.6

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.35 AU - 1.67 AU

Year: 1259 Days

Day: 13.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,117,560 km

• M1: 131,945 km (0.098 R)
• M2: 484,248 km (0.098 R)
• M3: 1,177,036 km (0.106 R)
• M4: 1,657,544 km (0.116 R)
• M5: 2,211,356 km (0.115 R)
• M6: 2,704,730 km (0.066 R)
• M7: 3,881,616 km (0.059 R)
• M8: 4,658,178 km (0.113 R)
• M9: 5,191,645 km (0.077 R)
• M10: 6,823,458 km (0.085 R)
• M11: 7,848,054 km (0.083 R)
• M12: 8,274,707 km (0.112 R)
• M13: 10,014,231 km (0.116 R)
• M14: 10,904,338 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.9

Radius: 12.9

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.57 AU - 1.67 AU

Year: 1399 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,117,560 km

• M1: 160,519 km (0.102 R)
• M2: 623,823 km (0.072 R)
• M3: 1,103,583 km (0.118 R)
• M4: 1,554,023 km (0.118 R)
• M5: 1,972,598 km (0.078 R)
• M6: 2,597,468 km (0.102 R)
• M7: 3,075,134 km (0.116 R)
• M8: 4,117,981 km (0.101 R)
• M9: 4,792,368 km (0.112 R)
• M10: 5,539,160 km (0.075 R)
• M11: 6,215,642 km (0.038 R)
• M12: 6,790,846 km (0.059 R)
• M13: 7,566,511 km (0.068 R)
• M14: 8,855,147 km (0.074 R)
• M15: 9,422,721 km (0.085 R)
• M16: 9,981,020 km (0.114 R)
• M17: 10,561,161 km (0.038 R)
• M18: 12,091,697 km (0.101 R)
• M19: 13,517,215 km (0.026 R)
• M20: 14,528,048 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.1

Radius: 14.9

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.4 AU - 2.1 AU

Year: 1570 Days

Day: 13.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,117,560 km

• M1: 185,352 km (0.105 R)
• M2: 897,438 km (0.057 R)
• M3: 1,470,397 km (0.085 R)
• M4: 2,073,726 km (0.099 R)
• M5: 2,738,239 km (0.119 R)
• M6: 3,628,945 km (0.108 R)
• M7: 4,544,185 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.1

Radius: 11.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.19 AU - 3.35 AU

Year: 4011 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,117,560 km

• M1: 144,212 km (0.109 R)
• M2: 948,002 km (0.041 R)
• M3: 1,365,679 km (0.104 R)
• M4: 1,894,657 km (0.052 R)
• M5: 2,525,960 km (0.114 R)
• M6: 2,909,230 km (0.08 R)
• M7: 3,752,962 km (0.098 R)
• M8: 4,606,717 km (0.096 R)
• M9: 4,977,720 km (0.108 R)
• M10: 5,422,474 km (0.079 R)
• M11: 5,836,860 km (0.108 R)
• M12: 6,361,949 km (0.114 R)
• M13: 7,848,503 km (0.057 R)
• M14: 10,120,296 km (0.061 R)
• M15: 10,707,767 km (0.05 R)
• M16: 11,097,469 km (0.112 R)
• M17: 11,997,300 km (0.079 R)
• M18: 13,042,541 km (0.095 R)
• M19: 14,147,471 km (0.039 R)
• M20: 15,422,942 km (0.118 R)
• M21: 16,543,281 km (0.036 R)
• M22: 17,241,005 km (0.055 R)
• M23: 18,633,163 km (0.095 R)
• M24: 19,903,398 km (0.11 R)
• M25: 21,230,631 km (0.075 R)
• M26: 23,840,066 km (0.116 R)
• M27: 24,956,366 km (0.115 R)
• M28: 25,719,764 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.5

Radius: 12.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.01 AU - 5.95 AU

Year: 7538 Days

Day: 11.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,117,560 km

• M1: 163,062 km (0.083 R)
• M2: 617,241 km (0.028 R)
• M3: 1,045,540 km (0.063 R)
• M4: 1,512,734 km (0.105 R)
• M5: 2,024,658 km (0.109 R)
• M6: 2,797,929 km (0.12 R)
• M7: 3,965,540 km (0.083 R)
• M8: 4,379,178 km (0.086 R)
• M9: 5,341,093 km (0.116 R)
• M10: 5,872,315 km (0.059 R)
• M11: 6,901,399 km (0.11 R)
• M12: 7,357,074 km (0.115 R)
• M13: 9,487,796 km (0.094 R)
• M14: 10,826,996 km (0.111 R)
• M15: 11,601,614 km (0.073 R)
• M16: 12,165,448 km (0.072 R)
• M17: 14,375,907 km (0.092 R)
• M18: 16,040,332 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.3

Radius: 7.3

Gravity: 15.66 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.11 AU - 6.75 AU

Year: 9794 Days

Day: 15.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 38,117,560 km

• M1: 90,806 km (0.071 R)
• M2: 379,829 km (0.047 R)
• M3: 887,714 km (0.081 R)
• M4: 1,116,150 km (0.062 R)
• M5: 1,424,321 km (0.086 R)
• M6: 1,934,899 km (0.049 R)
• M7: 2,664,188 km (0.106 R)
• M8: 3,034,294 km (0.038 R)
• M9: 3,463,340 km (0.107 R)
• M10: 4,153,585 km (0.064 R)
• M11: 4,501,699 km (0.069 R)
• M12: 5,839,852 km (0.067 R)
• M13: 6,775,587 km (0.114 R)
• M14: 7,258,638 km (0.118 R)
• M15: 7,894,429 km (0.106 R)
• M16: 8,293,407 km (0.101 R)
• M17: 9,423,319 km (0.052 R)
• M18: 9,721,169 km (0.114 R)
• M19: 10,867,388 km (0.064 R)
• M20: 14,252,040 km (0.109 R)
• M21: 17,748,890 km (0.118 R)
• M22: 19,937,507 km (0.113 R)
• M23: 21,778,757 km (0.098 R)
• M24: 24,189,676 km (0.106 R)
• M25: 25,031,464 km (0.108 R)
• M26: 30,280,554 km (0.073 R)
• M27: 32,480,690 km (0.071 R)
• M28: 34,315,807 km (0.093 R)
• M29: 36,827,854 km (0.059 R)
• M30: 41,415,123 km (0.111 R)
• M31: 46,798,851 km (0.032 R)
• M32: 48,544,808 km (0.098 R)
• M33: 49,732,466 km (0.07 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 429.1

Radius: 6.7

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.42 AU - 7.7 AU

Year: 14099 Days

Day: 21.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,117,560 km

• M1: 84,074 km (0.092 R)
• M2: 1,130,810 km (0.108 R)
• M3: 2,106,787 km (0.107 R)
• M4: 3,843,468 km (0.095 R)
• M5: 4,148,199 km (0.097 R)
• M6: 4,439,018 km (0.104 R)
• M7: 7,533,150 km (0.065 R)
• M8: 10,764,913 km (0.082 R)
• M9: 13,141,425 km (0.086 R)
• M10: 13,706,456 km (0.055 R)
• M11: 14,353,018 km (0.107 R)
• M12: 14,750,500 km (0.118 R)
• M13: 20,609,201 km (0.095 R)
• M14: 21,977,274 km (0.092 R)
• M15: 27,241,772 km (0.085 R)
• M16: 28,159,406 km (0.119 R)
• M17: 40,566,455 km (0.053 R)
• M18: 43,255,626 km (0.111 R)
• M19: 44,363,697 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 500.1

Radius: 3.9

Gravity: 32.88 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.67 AU - 8.31 AU

Year: 15318 Days

Day: 16 Hours

Environment

Temp: -242 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 38,117,560 km

• M1: 50,714 km (0.111 R)
• M2: 192,682 km (0.092 R)
• M3: 340,036 km (0.097 R)
• M4: 1,292,974 km (0.112 R)
• M5: 1,446,163 km (0.081 R)
• M6: 1,961,677 km (0.032 R)
• M7: 5,166,662 km (0.112 R)
• M8: 5,375,650 km (0.047 R)
• M9: 5,847,482 km (0.026 R)
• M10: 11,462,338 km (0.066 R)
• M11: 14,583,249 km (0.091 R)
• M12: 18,792,185 km (0.102 R)
• M13: 19,203,131 km (0.087 R)
• M14: 19,536,285 km (0.105 R)
• M15: 21,437,674 km (0.083 R)
• M16: 21,706,053 km (0.107 R)
• M17: 24,321,023 km (0.081 R)
• M18: 26,312,321 km (0.109 R)
• M19: 28,517,393 km (0.107 R)
• M20: 31,184,723 km (0.029 R)
• M21: 32,696,709 km (0.088 R)
• M22: 40,719,942 km (0.091 R)
• M23: 42,103,274 km (0.12 R)
• M24: 42,524,242 km (0.026 R)
• M25: 42,948,053 km (0.109 R)
• M26: 45,550,308 km (0.116 R)
• M27: 49,491,763 km (0.115 R)
• M28: 49,960,602 km (0.038 R)
• M29: 50,748,684 km (0.115 R)
• M30: 51,066,280 km (0.071 R)
• M31: 55,483,606 km (0.04 R)
• M32: 55,989,546 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.3

Radius: 8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.83 AU - 10.49 AU

Year: 17285 Days

Day: 20.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,117,560 km

• M1: 99,483 km (0.101 R)
• M2: 693,536 km (0.089 R)
• M3: 1,178,233 km (0.077 R)
• M4: 1,963,472 km (0.072 R)
• M5: 2,269,101 km (0.051 R)
• M6: 2,816,778 km (0.11 R)
• M7: 4,330,260 km (0.111 R)
• M8: 5,232,186 km (0.119 R)
• M9: 6,776,036 km (0.091 R)
• M10: 7,867,950 km (0.073 R)
• M11: 9,248,290 km (0.108 R)
• M12: 12,917,477 km (0.103 R)
• M13: 15,011,099 km (0.057 R)
• M14: 16,722,648 km (0.044 R)
• M15: 19,129,977 km (0.081 R)
• M16: 28,092,685 km (0.044 R)
• M17: 32,695,213 km (0.062 R)
• M18: 34,263,747 km (0.111 R)
• M19: 35,772,441 km (0.104 R)
• M20: 37,889,849 km (0.112 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: 416 - 20,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit