🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.8

Radius: 14.2

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.58 AU - 0.74 AU

Year: 358 Days

Day: 8 Hours

Environment

Temp: -154 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,641,586 km

• M1: 176,525 km (0.109 R)
• M2: 788,830 km (0.076 R)
• M3: 1,623,286 km (0.071 R)
• M4: 2,174,255 km (0.101 R)
• M5: 2,778,481 km (0.034 R)
• M6: 4,497,062 km (0.028 R)
• M7: 5,105,626 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 8.1

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.09 AU - 1.51 AU

Year: 988 Days

Day: 7.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,641,586 km

• M1: 100,679 km (0.048 R)
• M2: 481,107 km (0.068 R)
• M3: 828,473 km (0.089 R)
• M4: 1,088,624 km (0.067 R)
• M5: 1,947,914 km (0.083 R)
• M6: 2,637,410 km (0.107 R)
• M7: 2,963,384 km (0.098 R)
• M8: 3,345,457 km (0.029 R)
• M9: 3,680,856 km (0.085 R)
• M10: 4,900,377 km (0.072 R)
• M11: 5,293,521 km (0.084 R)
• M12: 5,602,141 km (0.1 R)
• M13: 5,857,654 km (0.074 R)
• M14: 7,329,697 km (0.083 R)
• M15: 7,584,163 km (0.091 R)
• M16: 8,466,342 km (0.09 R)
• M17: 9,208,198 km (0.062 R)
• M18: 9,595,058 km (0.073 R)
• M19: 10,561,460 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.9

Radius: 8.1

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.99 AU - 3.11 AU

Year: 2715 Days

Day: 10.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,641,586 km

• M1: 100,979 km (0.07 R)
• M2: 636,090 km (0.091 R)
• M3: 954,285 km (0.045 R)
• M4: 1,505,403 km (0.082 R)
• M5: 2,690,368 km (0.098 R)
• M6: 3,150,681 km (0.072 R)
• M7: 3,947,888 km (0.098 R)
• M8: 4,583,679 km (0.111 R)
• M9: 6,457,990 km (0.094 R)
• M10: 8,390,197 km (0.082 R)
• M11: 8,667,850 km (0.104 R)
• M12: 9,471,490 km (0.106 R)
• M13: 10,184,324 km (0.039 R)
• M14: 10,678,894 km (0.12 R)
• M15: 12,024,677 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.5

Radius: 11.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.65 AU - 4.01 AU

Year: 4998 Days

Day: 7.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,641,586 km

• M1: 149,598 km (0.034 R)
• M2: 632,799 km (0.097 R)
• M3: 1,012,329 km (0.072 R)
• M4: 1,767,349 km (0.027 R)
• M5: 2,263,865 km (0.096 R)
• M6: 3,749,970 km (0.069 R)
• M7: 4,446,647 km (0.082 R)
• M8: 8,225,789 km (0.052 R)
• M9: 9,658,487 km (0.106 R)
• M10: 10,145,728 km (0.089 R)
• M11: 10,887,434 km (0.097 R)
• M12: 13,607,722 km (0.09 R)
• M13: 15,706,280 km (0.084 R)
• M14: 19,275,686 km (0.104 R)
• M15: 20,049,406 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.8

Radius: 9.2

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.48 AU - 5.42 AU

Year: 6260 Days

Day: 13.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,641,586 km

• M1: 114,891 km (0.108 R)
• M2: 415,284 km (0.11 R)
• M3: 818,600 km (0.118 R)
• M4: 1,108,520 km (0.072 R)
• M5: 1,406,818 km (0.091 R)
• M6: 2,371,276 km (0.111 R)
• M7: 2,694,706 km (0.074 R)
• M8: 3,065,260 km (0.06 R)
• M9: 3,450,475 km (0.071 R)
• M10: 4,035,552 km (0.083 R)
• M11: 6,051,234 km (0.117 R)
• M12: 6,511,397 km (0.071 R)
• M13: 7,119,363 km (0.095 R)
• M14: 8,101,473 km (0.116 R)
• M15: 9,060,395 km (0.119 R)
• M16: 10,212,598 km (0.059 R)
• M17: 10,741,127 km (0.028 R)
• M18: 11,720,694 km (0.08 R)
• M19: 12,300,236 km (0.112 R)
• M20: 12,666,153 km (0.107 R)
• M21: 14,965,322 km (0.082 R)
• M22: 20,372,836 km (0.101 R)
• M23: 22,954,746 km (0.039 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.6

Radius: 13

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.31 AU - 4.83 AU

Year: 6515 Days

Day: 6.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,641,586 km

• M1: 163,062 km (0.117 R)
• M2: 634,445 km (0.057 R)
• M3: 1,082,640 km (0.079 R)
• M4: 2,610,483 km (0.064 R)
• M5: 3,579,129 km (0.092 R)
• M6: 9,393,400 km (0.093 R)
• M7: 9,826,785 km (0.071 R)
• M8: 10,455,844 km (0.111 R)
• M9: 15,519,433 km (0.111 R)
• M10: 16,373,637 km (0.081 R)
• M11: 17,452,686 km (0.109 R)
• M12: 18,443,622 km (0.104 R)
• M13: 19,893,525 km (0.067 R)
• M14: 20,682,654 km (0.083 R)
• M15: 23,254,540 km (0.119 R)
• M16: 24,291,852 km (0.105 R)
• M17: 26,976,984 km (0.11 R)
• M18: 28,301,224 km (0.056 R)
• M19: 31,947,074 km (0.104 R)
• M20: 33,228,829 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 12.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.75 AU - 5.35 AU

Year: 7568 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 135 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,641,586 km

• M1: 157,975 km (0.116 R)
• M2: 559,496 km (0.115 R)
• M3: 1,103,733 km (0.093 R)
• M4: 2,569,942 km (0.086 R)
• M5: 3,390,935 km (0.095 R)
• M6: 4,045,874 km (0.04 R)
• M7: 4,888,709 km (0.119 R)
• M8: 5,296,363 km (0.032 R)
• M9: 5,996,182 km (0.065 R)
• M10: 6,560,764 km (0.083 R)
• M11: 6,990,409 km (0.118 R)
• M12: 8,017,249 km (0.095 R)
• M13: 9,679,431 km (0.099 R)
• M14: 10,194,048 km (0.118 R)
• M15: 12,042,479 km (0.101 R)
• M16: 12,994,819 km (0.099 R)
• M17: 15,682,644 km (0.111 R)
• M18: 16,574,696 km (0.114 R)
• M19: 17,250,130 km (0.091 R)
• M20: 19,119,057 km (0.06 R)
• M21: 19,521,924 km (0.059 R)
• M22: 20,206,035 km (0.1 R)
• M23: 21,622,427 km (0.056 R)
• M24: 23,561,365 km (0.078 R)
• M25: 24,573,096 km (0.095 R)
• M26: 27,102,497 km (0.05 R)
• M27: 30,252,280 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544

Radius: 3.1

Gravity: 56.61 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.75 AU - 6.79 AU

Year: 10470 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,641,586 km

• M1: 39,494 km (0.048 R)
• M2: 166,802 km (0.095 R)
• M3: 279,449 km (0.082 R)
• M4: 426,803 km (0.079 R)
• M5: 639,680 km (0.099 R)
• M6: 1,652,159 km (0.067 R)
• M7: 1,982,471 km (0.08 R)
• M8: 4,095,391 km (0.117 R)
• M9: 4,695,877 km (0.074 R)
• M10: 6,321,108 km (0.071 R)
• M11: 6,846,496 km (0.09 R)
• M12: 8,199,010 km (0.114 R)
• M13: 8,641,671 km (0.054 R)
• M14: 9,478,072 km (0.037 R)
• M15: 9,768,591 km (0.081 R)
• M16: 10,831,933 km (0.091 R)
• M17: 12,654,933 km (0.049 R)
• M18: 14,039,910 km (0.031 R)
• M19: 16,964,997 km (0.095 R)
• M20: 21,160,320 km (0.1 R)
• M21: 23,627,787 km (0.068 R)
• M22: 25,437,024 km (0.1 R)
• M23: 27,531,244 km (0.088 R)
• M24: 29,635,039 km (0.079 R)
• M25: 32,822,371 km (0.097 R)
• M26: 34,498,466 km (0.095 R)
• M27: 38,998,220 km (0.104 R)
• M28: 41,132,084 km (0.032 R)
• M29: 43,078,203 km (0.111 R)
• M30: 44,678,750 km (0.062 R)
• M31: 45,630,343 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 239.7

Radius: 3.1

Gravity: 24.94 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.25 AU - 7.51 AU

Year: 12034 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,641,586 km

• M1: 38,895 km (0.066 R)
• M2: 219,610 km (0.066 R)
• M3: 321,635 km (0.11 R)
• M4: 642,224 km (0.077 R)
• M5: 749,037 km (0.115 R)
• M6: 998,865 km (0.106 R)
• M7: 1,397,992 km (0.079 R)
• M8: 1,925,624 km (0.047 R)
• M9: 2,391,322 km (0.113 R)
• M10: 2,537,180 km (0.11 R)
• M11: 3,137,815 km (0.094 R)
• M12: 3,268,414 km (0.078 R)
• M13: 3,706,287 km (0.083 R)
• M14: 3,976,910 km (0.069 R)
• M15: 5,375,500 km (0.093 R)
• M16: 6,117,057 km (0.111 R)
• M17: 9,093,157 km (0.106 R)
• M18: 10,330,331 km (0.119 R)
• M19: 12,363,067 km (0.078 R)
• M20: 15,073,631 km (0.106 R)
• M21: 15,571,343 km (0.11 R)
• M22: 15,951,771 km (0.06 R)
• M23: 16,665,203 km (0.113 R)
• M24: 21,475,223 km (0.053 R)
• M25: 22,424,272 km (0.112 R)
• M26: 23,236,289 km (0.101 R)
• M27: 28,523,676 km (0.073 R)
• M28: 32,666,789 km (0.042 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.3

Radius: 4.2

Gravity: 26.6 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.61 AU - 12.01 AU

Year: 22076 Days

Day: 18.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,641,586 km

• M1: 55,052 km (0.071 R)
• M2: 284,236 km (0.04 R)
• M3: 625,020 km (0.092 R)
• M4: 2,024,059 km (0.088 R)
• M5: 3,095,330 km (0.105 R)
• M6: 3,228,023 km (0.112 R)
• M7: 3,649,141 km (0.086 R)
• M8: 5,945,019 km (0.104 R)
• M9: 7,437,557 km (0.08 R)
• M10: 8,423,258 km (0.077 R)
• M11: 8,630,301 km (0.097 R)
• M12: 9,492,882 km (0.112 R)
• M13: 11,962,893 km (0.063 R)
• M14: 12,290,662 km (0.065 R)
• M15: 17,446,403 km (0.107 R)
• M16: 17,952,941 km (0.09 R)
• M17: 18,556,269 km (0.101 R)
• M18: 18,731,149 km (0.061 R)
• M19: 21,777,112 km (0.052 R)
• M20: 26,001,008 km (0.093 R)
• M21: 28,246,472 km (0.119 R)
• M22: 29,061,930 km (0.099 R)
• M23: 30,739,819 km (0.081 R)
• M24: 31,354,367 km (0.087 R)
• M25: 38,380,231 km (0.08 R)
• M26: 40,838,274 km (0.09 R)
• M27: 48,506,511 km (0.081 R)
• M28: 54,894,041 km (0.115 R)
• M29: 58,757,406 km (0.109 R)
• M30: 60,467,160 km (0.104 R)
• M31: 61,431,169 km (0.111 R)
• M32: 62,209,676 km (0.076 R)
• M33: 69,937,154 km (0.06 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 16,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit