🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925

Radius: 13.8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.87 AU - 1.35 AU

Year: 807 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,520,432 km

• M1: 171,589 km (0.105 R)
• M2: 660,175 km (0.057 R)
• M3: 1,136,794 km (0.115 R)
• M4: 1,570,628 km (0.09 R)
• M5: 2,199,388 km (0.117 R)
• M6: 2,793,142 km (0.046 R)
• M7: 3,923,503 km (0.03 R)
• M8: 5,131,656 km (0.085 R)
• M9: 5,631,911 km (0.078 R)
• M10: 6,421,638 km (0.104 R)
• M11: 7,003,724 km (0.091 R)
• M12: 7,451,171 km (0.066 R)
• M13: 8,274,109 km (0.046 R)
• M14: 8,910,049 km (0.092 R)
• M15: 9,408,210 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 9.5

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.91 AU - 1.47 AU

Year: 896 Days

Day: 10.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,520,432 km

• M1: 133,441 km (0.099 R)
• M2: 1,011,431 km (0.112 R)
• M3: 1,463,965 km (0.065 R)
• M4: 1,921,734 km (0.115 R)
• M5: 2,504,867 km (0.116 R)
• M6: 3,762,985 km (0.09 R)
• M7: 5,883,535 km (0.111 R)
• M8: 6,275,182 km (0.073 R)
• M9: 7,442,793 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.4

Radius: 9.1

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.37 AU - 1.55 AU

Year: 1218 Days

Day: 10.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,520,432 km

• M1: 113,246 km (0.07 R)
• M2: 609,761 km (0.09 R)
• M3: 1,010,234 km (0.084 R)
• M4: 1,564,644 km (0.113 R)
• M5: 2,181,287 km (0.075 R)
• M6: 2,637,111 km (0.065 R)
• M7: 3,052,395 km (0.115 R)
• M8: 3,807,565 km (0.114 R)
• M9: 4,247,682 km (0.042 R)
• M10: 4,820,193 km (0.038 R)
• M11: 6,119,151 km (0.073 R)
• M12: 6,699,292 km (0.12 R)
• M13: 7,002,826 km (0.111 R)
• M14: 7,315,485 km (0.087 R)
• M15: 8,166,847 km (0.09 R)
• M16: 8,870,256 km (0.057 R)
• M17: 10,032,931 km (0.077 R)
• M18: 10,464,670 km (0.067 R)
• M19: 12,391,940 km (0.09 R)
• M20: 13,280,701 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.9

Radius: 11.7

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.61 AU - 2.15 AU

Year: 1779 Days

Day: 5.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,520,432 km

• M1: 145,858 km (0.1 R)
• M2: 670,647 km (0.096 R)
• M3: 1,155,793 km (0.072 R)
• M4: 1,808,189 km (0.106 R)
• M5: 2,512,945 km (0.061 R)
• M6: 2,914,765 km (0.054 R)
• M7: 3,309,703 km (0.12 R)
• M8: 3,704,791 km (0.103 R)
• M9: 5,151,552 km (0.059 R)
• M10: 6,002,615 km (0.11 R)
• M11: 6,917,555 km (0.054 R)
• M12: 7,744,233 km (0.1 R)
• M13: 8,227,733 km (0.068 R)
• M14: 8,635,537 km (0.077 R)
• M15: 9,255,620 km (0.089 R)
• M16: 9,628,119 km (0.112 R)
• M17: 10,116,706 km (0.058 R)
• M18: 10,843,452 km (0.048 R)
• M19: 11,295,986 km (0.104 R)
• M20: 11,800,280 km (0.101 R)
• M21: 14,461,028 km (0.109 R)
• M22: 15,009,902 km (0.106 R)
• M23: 15,907,190 km (0.063 R)
• M24: 16,295,546 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.8

Radius: 10.6

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.11 AU - 2.39 AU

Year: 2330 Days

Day: 13.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 58.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,520,432 km

• M1: 132,544 km (0.118 R)
• M2: 476,768 km (0.061 R)
• M3: 877,691 km (0.036 R)
• M4: 1,527,544 km (0.063 R)
• M5: 1,903,483 km (0.091 R)
• M6: 2,264,014 km (0.076 R)
• M7: 2,876,617 km (0.03 R)
• M8: 3,578,830 km (0.071 R)
• M9: 4,788,179 km (0.081 R)
• M10: 5,254,326 km (0.076 R)
• M11: 5,605,582 km (0.105 R)
• M12: 6,809,396 km (0.093 R)
• M13: 8,209,034 km (0.092 R)
• M14: 8,555,203 km (0.102 R)
• M15: 10,655,258 km (0.117 R)
• M16: 12,369,201 km (0.062 R)
• M17: 12,951,136 km (0.085 R)
• M18: 13,638,539 km (0.107 R)
• M19: 14,035,721 km (0.06 R)
• M20: 15,086,197 km (0.048 R)
• M21: 16,884,663 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.8

Radius: 12.6

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.73 AU - 2.88 AU

Year: 2408 Days

Day: 6.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,520,432 km

• M1: 156,629 km (0.106 R)
• M2: 595,848 km (0.106 R)
• M3: 1,124,677 km (0.105 R)
• M4: 1,818,362 km (0.091 R)
• M5: 2,335,372 km (0.104 R)
• M6: 3,172,372 km (0.101 R)
• M7: 4,024,332 km (0.083 R)
• M8: 4,846,223 km (0.057 R)
• M9: 5,438,481 km (0.095 R)
• M10: 6,285,355 km (0.114 R)
• M11: 6,962,734 km (0.044 R)
• M12: 7,778,640 km (0.026 R)
• M13: 9,087,173 km (0.104 R)
• M14: 9,601,042 km (0.089 R)
• M15: 10,061,953 km (0.038 R)
• M16: 11,732,811 km (0.091 R)
• M17: 12,384,011 km (0.071 R)
• M18: 13,758,965 km (0.116 R)
• M19: 14,483,467 km (0.089 R)
• M20: 15,424,588 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.7

Radius: 14

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.61 AU - 2.95 AU

Year: 3199 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,520,432 km

• M1: 174,132 km (0.099 R)
• M2: 699,669 km (0.094 R)
• M3: 1,251,985 km (0.048 R)
• M4: 1,747,752 km (0.103 R)
• M5: 2,261,621 km (0.087 R)
• M6: 3,279,634 km (0.114 R)
• M7: 6,154,157 km (0.118 R)
• M8: 9,164,216 km (0.027 R)
• M9: 10,573,129 km (0.093 R)
• M10: 11,200,991 km (0.097 R)
• M11: 13,572,865 km (0.074 R)
• M12: 16,098,526 km (0.105 R)
• M13: 17,100,383 km (0.043 R)
• M14: 21,263,991 km (0.082 R)
• M15: 23,159,695 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.7

Radius: 10.8

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.6 AU - 3.4 AU

Year: 3587 Days

Day: 12.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,520,432 km

• M1: 136,732 km (0.113 R)
• M2: 524,191 km (0.068 R)
• M3: 915,838 km (0.042 R)
• M4: 2,014,485 km (0.079 R)
• M5: 2,436,501 km (0.102 R)
• M6: 3,431,177 km (0.082 R)
• M7: 4,349,558 km (0.09 R)
• M8: 4,809,422 km (0.092 R)
• M9: 7,851,195 km (0.042 R)
• M10: 8,761,947 km (0.118 R)
• M11: 9,958,581 km (0.066 R)
• M12: 11,638,415 km (0.112 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.3

Radius: 13.1

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.47 AU - 4.37 AU

Year: 5357 Days

Day: 8 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 48,520,432 km

• M1: 163,062 km (0.093 R)
• M2: 620,831 km (0.112 R)
• M3: 1,815,969 km (0.046 R)
• M4: 2,415,557 km (0.109 R)
• M5: 2,845,800 km (0.116 R)
• M6: 4,133,688 km (0.111 R)
• M7: 4,604,922 km (0.089 R)
• M8: 5,804,248 km (0.082 R)
• M9: 6,212,500 km (0.088 R)
• M10: 6,777,532 km (0.11 R)
• M11: 7,524,623 km (0.091 R)
• M12: 8,389,897 km (0.118 R)
• M13: 9,493,630 km (0.058 R)
• M14: 10,318,663 km (0.086 R)
• M15: 14,379,198 km (0.057 R)
• M16: 18,075,612 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 858.3

Radius: 4.3

Gravity: 46.42 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.27 AU - 6.89 AU

Year: 9098 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 48,520,432 km

• M1: 54,304 km (0.081 R)
• M2: 207,492 km (0.074 R)
• M3: 731,833 km (0.05 R)
• M4: 1,083,537 km (0.108 R)
• M5: 1,223,411 km (0.08 R)
• M6: 1,539,661 km (0.072 R)
• M7: 1,732,643 km (0.037 R)
• M8: 1,992,195 km (0.072 R)
• M9: 2,568,745 km (0.072 R)
• M10: 3,202,142 km (0.072 R)
• M11: 3,369,542 km (0.109 R)
• M12: 3,906,898 km (0.094 R)
• M13: 4,324,426 km (0.073 R)
• M14: 5,117,594 km (0.094 R)
• M15: 5,313,716 km (0.062 R)
• M16: 6,003,512 km (0.081 R)
• M17: 6,596,817 km (0.116 R)
• M18: 7,942,450 km (0.069 R)
• M19: 8,565,076 km (0.115 R)
• M20: 11,108,689 km (0.061 R)
• M21: 12,463,298 km (0.074 R)
• M22: 15,158,902 km (0.103 R)
• M23: 15,631,631 km (0.049 R)
• M24: 16,323,970 km (0.082 R)
• M25: 16,464,891 km (0.094 R)
• M26: 17,769,385 km (0.092 R)
• M27: 17,918,534 km (0.111 R)
• M28: 18,523,208 km (0.086 R)
• M29: 19,376,664 km (0.098 R)
• M30: 21,413,439 km (0.119 R)
• M31: 23,768,558 km (0.089 R)
• M32: 30,346,676 km (0.112 R)
• M33: 31,421,986 km (0.111 R)
• M34: 32,079,319 km (0.104 R)
• M35: 33,195,020 km (0.091 R)
• M36: 34,106,071 km (0.092 R)
• M37: 36,818,130 km (0.063 R)
• M38: 40,696,006 km (0.041 R)
• M39: 44,014,835 km (0.077 R)
• M40: 45,391,435 km (0.095 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 18,554 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit