🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634

Radius: 11

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.24 AU - 1.94 AU

Year: 1337 Days

Day: 14.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,018,412 km

• M1: 136,882 km (0.109 R)
• M2: 503,546 km (0.103 R)
• M3: 999,912 km (0.06 R)
• M4: 1,406,669 km (0.064 R)
• M5: 1,904,381 km (0.086 R)
• M6: 2,338,215 km (0.045 R)
• M7: 3,468,726 km (0.119 R)
• M8: 3,834,493 km (0.117 R)
• M9: 5,758,471 km (0.095 R)
• M10: 6,918,154 km (0.114 R)
• M11: 7,685,291 km (0.048 R)
• M12: 8,144,557 km (0.11 R)
• M13: 9,479,867 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.5

Radius: 14.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.88 AU - 2 AU

Year: 1802 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,018,412 km

• M1: 181,612 km (0.066 R)
• M2: 786,586 km (0.091 R)
• M3: 1,250,489 km (0.091 R)
• M4: 1,983,518 km (0.055 R)
• M5: 2,645,638 km (0.052 R)
• M6: 3,130,335 km (0.063 R)
• M7: 3,906,300 km (0.081 R)
• M8: 4,724,151 km (0.109 R)
• M9: 5,490,691 km (0.086 R)
• M10: 7,024,518 km (0.085 R)
• M11: 8,575,698 km (0.089 R)
• M12: 9,151,500 km (0.11 R)
• M13: 10,028,742 km (0.067 R)
• M14: 10,998,435 km (0.089 R)
• M15: 13,847,527 km (0.066 R)
• M16: 15,700,446 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.8

Radius: 11.2

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.96 AU - 3.1 AU

Year: 2684 Days

Day: 11.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,018,412 km

• M1: 139,425 km (0.09 R)
• M2: 645,216 km (0.086 R)
• M3: 1,092,064 km (0.104 R)
• M4: 2,604,050 km (0.108 R)
• M5: 3,105,353 km (0.113 R)
• M6: 4,264,138 km (0.109 R)
• M7: 8,210,978 km (0.098 R)
• M8: 14,192,799 km (0.065 R)
• M9: 14,957,543 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 13.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.64 AU - 3.1 AU

Year: 3242 Days

Day: 5.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,018,412 km

• M1: 166,652 km (0.065 R)
• M2: 1,575,565 km (0.052 R)
• M3: 2,090,481 km (0.087 R)
• M4: 2,897,412 km (0.109 R)
• M5: 3,374,180 km (0.08 R)
• M6: 4,579,340 km (0.106 R)
• M7: 5,698,632 km (0.09 R)
• M8: 6,689,418 km (0.085 R)
• M9: 7,147,786 km (0.081 R)
• M10: 8,196,617 km (0.063 R)
• M11: 9,383,227 km (0.065 R)
• M12: 10,971,358 km (0.1 R)
• M13: 12,593,897 km (0.065 R)
• M14: 13,343,083 km (0.101 R)
• M15: 15,451,515 km (0.07 R)
• M16: 16,310,506 km (0.045 R)
• M17: 18,537,570 km (0.115 R)
• M18: 19,693,064 km (0.052 R)
• M19: 21,285,832 km (0.118 R)
• M20: 22,281,855 km (0.082 R)
• M21: 23,239,281 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 10.7

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.6 AU - 3.9 AU

Year: 3907 Days

Day: 5.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,018,412 km

• M1: 133,292 km (0.043 R)
• M2: 569,818 km (0.089 R)
• M3: 971,040 km (0.098 R)
• M4: 1,348,924 km (0.12 R)
• M5: 4,247,532 km (0.078 R)
• M6: 5,108,318 km (0.058 R)
• M7: 5,463,015 km (0.037 R)
• M8: 6,250,349 km (0.096 R)
• M9: 7,783,577 km (0.068 R)
• M10: 9,291,075 km (0.072 R)
• M11: 11,067,998 km (0.119 R)
• M12: 11,664,296 km (0.086 R)
• M13: 12,417,072 km (0.032 R)
• M14: 15,178,798 km (0.062 R)
• M15: 15,808,605 km (0.076 R)
• M16: 16,455,616 km (0.1 R)
• M17: 20,907,200 km (0.081 R)
• M18: 21,359,734 km (0.025 R)
• M19: 22,150,658 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.4

Radius: 10.2

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.98 AU - 4.32 AU

Year: 4650 Days

Day: 13.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,018,412 km

• M1: 127,457 km (0.082 R)
• M2: 492,027 km (0.107 R)
• M3: 886,517 km (0.053 R)
• M4: 1,695,243 km (0.102 R)
• M5: 2,411,069 km (0.074 R)
• M6: 3,859,176 km (0.077 R)
• M7: 4,936,879 km (0.098 R)
• M8: 6,930,271 km (0.1 R)
• M9: 7,263,276 km (0.094 R)
• M10: 8,069,758 km (0.034 R)
• M11: 9,985,807 km (0.048 R)
• M12: 10,672,462 km (0.112 R)
• M13: 11,390,232 km (0.114 R)
• M14: 12,921,965 km (0.105 R)
• M15: 13,633,602 km (0.119 R)
• M16: 14,969,062 km (0.048 R)
• M17: 16,214,764 km (0.068 R)
• M18: 18,210,998 km (0.104 R)
• M19: 19,432,015 km (0.098 R)
• M20: 20,775,255 km (0.064 R)
• M21: 23,496,440 km (0.032 R)
• M22: 24,326,409 km (0.078 R)
• M23: 24,942,303 km (0.071 R)
• M24: 26,044,989 km (0.102 R)
• M25: 26,608,524 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.9

Radius: 10

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.7 AU - 6.66 AU

Year: 9027 Days

Day: 11.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,018,412 km

• M1: 124,615 km (0.107 R)
• M2: 1,170,454 km (0.031 R)
• M3: 1,524,701 km (0.091 R)
• M4: 3,225,928 km (0.046 R)
• M5: 4,014,459 km (0.086 R)
• M6: 4,482,999 km (0.099 R)
• M7: 5,629,667 km (0.066 R)
• M8: 6,770,351 km (0.093 R)
• M9: 7,931,380 km (0.098 R)
• M10: 8,361,025 km (0.074 R)
• M11: 10,137,201 km (0.091 R)
• M12: 11,327,252 km (0.092 R)
• M13: 12,264,931 km (0.103 R)
• M14: 13,193,934 km (0.035 R)
• M15: 15,388,834 km (0.098 R)
• M16: 17,744,103 km (0.082 R)
• M17: 18,704,970 km (0.104 R)
• M18: 21,217,616 km (0.116 R)
• M19: 22,811,581 km (0.087 R)
• M20: 24,214,510 km (0.118 R)
• M21: 26,520,561 km (0.062 R)
• M22: 27,972,259 km (0.116 R)
• M23: 29,171,286 km (0.106 R)
• M24: 30,508,541 km (0.119 R)
• M25: 32,209,918 km (0.118 R)
• M26: 37,333,196 km (0.034 R)
• M27: 42,321,387 km (0.104 R)
• M28: 42,843,484 km (0.104 R)
• M29: 43,767,251 km (0.095 R)
• M30: 44,301,165 km (0.065 R)
• M31: 44,839,269 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.1

Radius: 7.6

Gravity: 9.14 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.57 AU - 10.11 AU

Year: 20584 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 70,018,412 km

• M1: 96,640 km (0.054 R)
• M2: 407,804 km (0.112 R)
• M3: 780,901 km (0.117 R)
• M4: 1,604,138 km (0.098 R)
• M5: 2,693,659 km (0.108 R)
• M6: 5,244,602 km (0.045 R)
• M7: 6,103,593 km (0.041 R)
• M8: 6,480,729 km (0.093 R)
• M9: 6,828,993 km (0.077 R)
• M10: 7,563,070 km (0.111 R)
• M11: 10,788,699 km (0.101 R)
• M12: 11,031,796 km (0.099 R)
• M13: 12,105,759 km (0.064 R)
• M14: 12,500,996 km (0.039 R)
• M15: 13,880,887 km (0.106 R)
• M16: 14,830,385 km (0.087 R)
• M17: 19,153,165 km (0.07 R)
• M18: 20,887,453 km (0.077 R)
• M19: 24,665,547 km (0.071 R)
• M20: 28,181,247 km (0.095 R)
• M21: 33,027,769 km (0.112 R)
• M22: 34,059,546 km (0.105 R)
• M23: 39,976,291 km (0.104 R)
• M24: 41,592,995 km (0.116 R)
• M25: 43,405,673 km (0.119 R)
• M26: 46,382,670 km (0.111 R)
• M27: 48,002,815 km (0.082 R)
• M28: 48,992,854 km (0.11 R)
• M29: 58,711,180 km (0.095 R)
• M30: 60,605,987 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.6

Radius: 4.1

Gravity: 28.05 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.57 AU - 10.55 AU

Year: 21278 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,018,412 km

• M1: 51,162 km (0.11 R)
• M2: 348,413 km (0.05 R)
• M3: 561,890 km (0.077 R)
• M4: 826,827 km (0.078 R)
• M5: 1,687,763 km (0.052 R)
• M6: 1,921,285 km (0.075 R)
• M7: 2,634,568 km (0.05 R)
• M8: 3,076,630 km (0.12 R)
• M9: 3,425,342 km (0.109 R)
• M10: 3,594,986 km (0.088 R)
• M11: 4,462,056 km (0.068 R)
• M12: 4,979,814 km (0.058 R)
• M13: 6,051,832 km (0.079 R)
• M14: 6,258,277 km (0.067 R)
• M15: 7,268,961 km (0.05 R)
• M16: 9,945,865 km (0.076 R)
• M17: 10,175,498 km (0.108 R)
• M18: 11,628,392 km (0.112 R)
• M19: 16,969,485 km (0.052 R)
• M20: 18,050,778 km (0.083 R)
• M21: 18,825,845 km (0.106 R)
• M22: 19,088,987 km (0.105 R)
• M23: 20,257,945 km (0.05 R)
• M24: 21,473,727 km (0.114 R)
• M25: 22,539,911 km (0.027 R)
• M26: 28,865,657 km (0.088 R)
• M27: 30,043,292 km (0.097 R)
• M28: 31,993,449 km (0.115 R)
• M29: 35,874,317 km (0.069 R)
• M30: 36,008,806 km (0.115 R)
• M31: 39,053,721 km (0.097 R)
• M32: 39,481,870 km (0.041 R)
• M33: 40,931,324 km (0.12 R)
• M34: 44,399,152 km (0.084 R)
• M35: 45,492,114 km (0.043 R)
• M36: 47,245,850 km (0.093 R)
• M37: 50,043,929 km (0.114 R)
• M38: 51,398,088 km (0.105 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: 312 - 15,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit