🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578

Radius: 8

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.15 AU - 1.19 AU

Year: 874 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,756,386 km

• M1: 99,483 km (0.062 R)
• M2: 354,697 km (0.063 R)
• M3: 638,783 km (0.075 R)
• M4: 997,519 km (0.099 R)
• M5: 1,648,120 km (0.091 R)
• M6: 2,023,311 km (0.047 R)
• M7: 2,325,499 km (0.08 R)
• M8: 2,611,680 km (0.086 R)
• M9: 3,643,905 km (0.12 R)
• M10: 4,204,149 km (0.074 R)
• M11: 5,050,873 km (0.086 R)
• M12: 5,591,669 km (0.073 R)
• M13: 5,866,181 km (0.115 R)
• M14: 6,678,947 km (0.074 R)
• M15: 7,033,344 km (0.076 R)
• M16: 7,901,012 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.3

Radius: 11.1

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.6 AU - 2.1 AU

Year: 1737 Days

Day: 10 Hours

Environment

Temp: -207 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,756,386 km

• M1: 138,228 km (0.036 R)
• M2: 485,146 km (0.094 R)
• M3: 879,785 km (0.084 R)
• M4: 1,263,504 km (0.118 R)
• M5: 1,909,916 km (0.094 R)
• M6: 2,584,004 km (0.109 R)
• M7: 3,026,515 km (0.076 R)
• M8: 3,503,732 km (0.111 R)
• M9: 5,265,247 km (0.087 R)
• M10: 6,257,230 km (0.067 R)
• M11: 7,162,596 km (0.117 R)
• M12: 10,372,518 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.4

Radius: 8.2

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.92 AU - 5.9 AU

Year: 7510 Days

Day: 7.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,756,386 km

• M1: 102,026 km (0.056 R)
• M2: 358,736 km (0.1 R)
• M3: 685,906 km (0.058 R)
• M4: 1,045,839 km (0.046 R)
• M5: 1,317,658 km (0.114 R)
• M6: 2,072,978 km (0.115 R)
• M7: 3,047,159 km (0.06 R)
• M8: 3,355,331 km (0.095 R)
• M9: 4,218,361 km (0.043 R)
• M10: 5,069,573 km (0.049 R)
• M11: 5,408,861 km (0.076 R)
• M12: 5,963,121 km (0.117 R)
• M13: 7,773,405 km (0.049 R)
• M14: 8,479,207 km (0.111 R)
• M15: 9,136,840 km (0.078 R)
• M16: 9,827,982 km (0.081 R)
• M17: 10,114,013 km (0.099 R)
• M18: 11,262,326 km (0.102 R)
• M19: 11,628,542 km (0.116 R)
• M20: 13,994,881 km (0.105 R)
• M21: 15,740,090 km (0.065 R)
• M22: 17,072,109 km (0.095 R)
• M23: 17,347,369 km (0.081 R)
• M24: 19,283,016 km (0.116 R)
• M25: 22,245,054 km (0.036 R)
• M26: 25,676,829 km (0.058 R)
• M27: 30,443,017 km (0.104 R)
• M28: 34,218,419 km (0.097 R)
• M29: 36,445,183 km (0.088 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.7

Radius: 5.6

Gravity: 12.78 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.06 AU - 6.14 AU

Year: 9147 Days

Day: 24.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,756,386 km

• M1: 70,610 km (0.118 R)
• M2: 308,321 km (0.087 R)
• M3: 552,764 km (0.101 R)
• M4: 732,282 km (0.099 R)
• M5: 998,715 km (0.117 R)
• M6: 1,604,587 km (0.057 R)
• M7: 1,873,115 km (0.048 R)
• M8: 2,272,092 km (0.1 R)
• M9: 2,784,166 km (0.118 R)
• M10: 3,763,733 km (0.045 R)
• M11: 4,187,693 km (0.083 R)
• M12: 4,478,511 km (0.093 R)
• M13: 5,340,794 km (0.103 R)
• M14: 5,714,938 km (0.111 R)
• M15: 6,726,818 km (0.081 R)
• M16: 7,972,071 km (0.073 R)
• M17: 9,012,524 km (0.032 R)
• M18: 9,587,877 km (0.096 R)
• M19: 13,225,649 km (0.073 R)
• M20: 13,507,940 km (0.102 R)
• M21: 15,286,958 km (0.118 R)
• M22: 16,104,211 km (0.119 R)
• M23: 16,556,146 km (0.068 R)
• M24: 20,935,324 km (0.038 R)
• M25: 22,738,577 km (0.116 R)
• M26: 23,636,464 km (0.067 R)
• M27: 25,590,062 km (0.113 R)
• M28: 28,110,337 km (0.029 R)
• M29: 28,296,437 km (0.093 R)
• M30: 29,049,064 km (0.067 R)
• M31: 31,487,210 km (0.102 R)
• M32: 35,340,851 km (0.091 R)
• M33: 35,557,619 km (0.092 R)
• M34: 35,993,996 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.4

Radius: 5.4

Gravity: 22.06 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.87 AU - 8.43 AU

Year: 13197 Days

Day: 19.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,756,386 km

• M1: 67,169 km (0.108 R)
• M2: 418,575 km (0.111 R)
• M3: 612,304 km (0.113 R)
• M4: 847,023 km (0.086 R)
• M5: 1,128,866 km (0.099 R)
• M6: 1,359,246 km (0.084 R)
• M7: 2,721,036 km (0.052 R)
• M8: 3,311,498 km (0.089 R)
• M9: 3,491,166 km (0.117 R)
• M10: 4,216,715 km (0.096 R)
• M11: 4,905,314 km (0.068 R)
• M12: 7,998,998 km (0.114 R)
• M13: 8,465,444 km (0.114 R)
• M14: 13,641,830 km (0.115 R)
• M15: 16,358,826 km (0.089 R)
• M16: 17,262,248 km (0.052 R)
• M17: 17,570,719 km (0.112 R)
• M18: 18,278,167 km (0.082 R)
• M19: 24,635,029 km (0.069 R)
• M20: 25,720,212 km (0.118 R)
• M21: 29,494,267 km (0.113 R)
• M22: 32,089,342 km (0.118 R)
• M23: 33,263,685 km (0.108 R)
• M24: 37,599,330 km (0.109 R)
• M25: 37,987,537 km (0.044 R)
• M26: 39,433,999 km (0.086 R)
• M27: 39,834,921 km (0.113 R)
• M28: 42,576,452 km (0.045 R)
• M29: 44,280,521 km (0.108 R)
• M30: 48,127,281 km (0.1 R)
• M31: 48,432,161 km (0.081 R)
• M32: 53,486,026 km (0.097 R)
• M33: 54,141,564 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.8

Radius: 5.8

Gravity: 18.87 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.5 AU - 8.2 AU

Year: 13754 Days

Day: 17.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,756,386 km

• M1: 72,106 km (0.064 R)
• M2: 371,003 km (0.095 R)
• M3: 1,018,014 km (0.117 R)
• M4: 1,298,958 km (0.066 R)
• M5: 2,109,180 km (0.1 R)
• M6: 2,401,495 km (0.098 R)
• M7: 5,090,666 km (0.089 R)
• M8: 7,911,035 km (0.112 R)
• M9: 9,416,737 km (0.119 R)
• M10: 9,623,930 km (0.101 R)
• M11: 10,155,451 km (0.099 R)
• M12: 10,762,520 km (0.101 R)
• M13: 11,335,031 km (0.119 R)
• M14: 11,927,737 km (0.115 R)
• M15: 12,855,244 km (0.05 R)
• M16: 13,896,445 km (0.115 R)
• M17: 14,922,537 km (0.095 R)
• M18: 16,368,101 km (0.104 R)
• M19: 17,356,195 km (0.071 R)
• M20: 18,871,023 km (0.111 R)
• M21: 22,713,445 km (0.06 R)
• M22: 23,654,116 km (0.064 R)
• M23: 25,212,776 km (0.106 R)
• M24: 26,118,891 km (0.091 R)
• M25: 29,516,857 km (0.115 R)
• M26: 30,977,680 km (0.08 R)
• M27: 31,436,646 km (0.09 R)
• M28: 34,900,884 km (0.112 R)
• M29: 38,743,754 km (0.105 R)
• M30: 39,276,472 km (0.03 R)
• M31: 40,084,899 km (0.034 R)
• M32: 40,904,247 km (0.116 R)
• M33: 41,318,034 km (0.081 R)
• M34: 43,572,474 km (0.104 R)
• M35: 44,875,920 km (0.115 R)
• M36: 50,034,953 km (0.075 R)
• M37: 50,508,280 km (0.119 R)
• M38: 52,756,736 km (0.05 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.2

Radius: 6.2

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.24 AU - 10.08 AU

Year: 17591 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,756,386 km

• M1: 77,342 km (0.104 R)
• M2: 1,879,398 km (0.098 R)
• M3: 2,426,029 km (0.115 R)
• M4: 3,312,845 km (0.061 R)
• M5: 3,539,186 km (0.096 R)
• M6: 4,251,422 km (0.03 R)
• M7: 4,580,088 km (0.071 R)
• M8: 5,055,361 km (0.054 R)
• M9: 5,390,161 km (0.112 R)
• M10: 5,883,535 km (0.064 R)
• M11: 7,124,000 km (0.113 R)
• M12: 8,252,866 km (0.096 R)
• M13: 10,162,931 km (0.095 R)
• M14: 10,588,238 km (0.112 R)
• M15: 10,970,161 km (0.087 R)
• M16: 12,711,481 km (0.105 R)
• M17: 13,969,898 km (0.108 R)
• M18: 17,100,832 km (0.057 R)
• M19: 29,238,006 km (0.118 R)
• M20: 30,643,478 km (0.049 R)
• M21: 37,717,513 km (0.055 R)
• M22: 39,772,539 km (0.046 R)
• M23: 42,444,656 km (0.087 R)
• M24: 43,824,696 km (0.064 R)
• M25: 47,699,431 km (0.065 R)
• M26: 51,640,736 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.8

Radius: 6.2

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.7 AU - 10.06 AU

Year: 18265 Days

Day: 21.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,756,386 km

• M1: 77,193 km (0.101 R)
• M2: 745,745 km (0.039 R)
• M3: 1,016,218 km (0.101 R)
• M4: 1,363,884 km (0.113 R)
• M5: 2,486,466 km (0.102 R)
• M6: 2,833,084 km (0.1 R)
• M7: 3,051,797 km (0.1 R)
• M8: 3,400,958 km (0.094 R)
• M9: 4,151,491 km (0.089 R)
• M10: 5,975,089 km (0.065 R)
• M11: 6,262,616 km (0.079 R)
• M12: 7,141,503 km (0.118 R)
• M13: 8,187,043 km (0.099 R)
• M14: 8,542,038 km (0.091 R)
• M15: 9,235,574 km (0.069 R)
• M16: 10,422,334 km (0.033 R)
• M17: 12,158,268 km (0.1 R)
• M18: 18,735,637 km (0.08 R)
• M19: 20,871,297 km (0.11 R)
• M20: 23,606,394 km (0.072 R)
• M21: 26,379,191 km (0.049 R)
• M22: 30,933,698 km (0.105 R)
• M23: 32,561,323 km (0.089 R)
• M24: 32,893,430 km (0.108 R)
• M25: 38,644,870 km (0.076 R)
• M26: 41,173,074 km (0.059 R)
• M27: 45,444,243 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.8

Radius: 7.4

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.49 AU - 10.03 AU

Year: 21047 Days

Day: 18.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,756,386 km

• M1: 92,003 km (0.12 R)
• M2: 380,128 km (0.059 R)
• M3: 682,765 km (0.117 R)
• M4: 1,133,054 km (0.115 R)
• M5: 2,226,914 km (0.104 R)
• M6: 2,958,747 km (0.076 R)
• M7: 4,024,332 km (0.06 R)
• M8: 4,542,390 km (0.096 R)
• M9: 10,226,810 km (0.072 R)
• M10: 13,858,747 km (0.091 R)
• M11: 17,089,163 km (0.112 R)
• M12: 20,695,220 km (0.112 R)
• M13: 21,072,057 km (0.098 R)
• M14: 23,328,741 km (0.108 R)
• M15: 30,084,132 km (0.047 R)
• M16: 30,811,776 km (0.107 R)
• M17: 33,193,075 km (0.053 R)
• M18: 37,337,385 km (0.08 R)
• M19: 38,318,597 km (0.039 R)
• M20: 38,602,085 km (0.075 R)
• M21: 44,727,220 km (0.104 R)
• M22: 47,120,637 km (0.069 R)
• M23: 62,314,694 km (0.117 R)
• M24: 63,496,068 km (0.117 R)
• M25: 64,092,365 km (0.065 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 17,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit