🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.5

Radius: 13

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.63 AU - 0.93 AU

Year: 467 Days

Day: 9.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 46,918,439 km

• M1: 161,715 km (0.103 R)
• M2: 616,044 km (0.116 R)
• M3: 1,188,705 km (0.089 R)
• M4: 1,877,752 km (0.054 R)
• M5: 3,163,546 km (0.066 R)
• M6: 4,766,487 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.6

Radius: 14

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.87 AU - 0.93 AU

Year: 579 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,918,439 km

• M1: 174,282 km (0.108 R)
• M2: 694,134 km (0.093 R)
• M3: 1,270,236 km (0.114 R)
• M4: 1,839,605 km (0.12 R)
• M5: 3,472,167 km (0.1 R)
• M6: 4,306,175 km (0.047 R)
• M7: 5,142,277 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.1

Radius: 10

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.06 AU - 1.42 AU

Year: 937 Days

Day: 11.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,918,439 km

• M1: 124,316 km (0.088 R)
• M2: 699,071 km (0.088 R)
• M3: 1,222,663 km (0.092 R)
• M4: 2,322,507 km (0.087 R)
• M5: 3,014,547 km (0.086 R)
• M6: 4,509,478 km (0.078 R)
• M7: 4,890,354 km (0.096 R)
• M8: 5,548,286 km (0.077 R)
• M9: 7,260,882 km (0.115 R)
• M10: 8,045,523 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.8

Radius: 14.8

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.67 AU - 4.31 AU

Year: 4422 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,918,439 km

• M1: 190,737 km (0.088 R)
• M2: 782,397 km (0.111 R)
• M3: 1,591,123 km (0.096 R)
• M4: 2,441,437 km (0.1 R)
• M5: 2,954,259 km (0.109 R)
• M6: 3,914,228 km (0.101 R)
• M7: 4,671,942 km (0.098 R)
• M8: 6,034,329 km (0.097 R)
• M9: 7,015,991 km (0.082 R)
• M10: 7,855,085 km (0.056 R)
• M11: 8,500,001 km (0.105 R)
• M12: 9,141,327 km (0.102 R)
• M13: 9,978,028 km (0.08 R)
• M14: 11,172,567 km (0.077 R)
• M15: 13,091,160 km (0.086 R)
• M16: 14,311,579 km (0.106 R)
• M17: 14,788,348 km (0.092 R)
• M18: 15,885,947 km (0.119 R)
• M19: 17,512,974 km (0.08 R)
• M20: 18,553,726 km (0.078 R)
• M21: 21,854,304 km (0.067 R)
• M22: 23,205,323 km (0.063 R)
• M23: 23,864,451 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.4

Radius: 8.1

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.42 AU - 3.82 AU

Year: 4671 Days

Day: 5.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,918,439 km

• M1: 100,829 km (0.087 R)
• M2: 611,855 km (0.059 R)
• M3: 1,300,005 km (0.09 R)
• M4: 1,728,304 km (0.098 R)
• M5: 2,076,867 km (0.088 R)
• M6: 2,443,232 km (0.114 R)
• M7: 4,642,321 km (0.057 R)
• M8: 5,103,083 km (0.116 R)
• M9: 6,169,865 km (0.101 R)
• M10: 7,909,987 km (0.098 R)
• M11: 9,297,208 km (0.064 R)
• M12: 9,805,991 km (0.12 R)
• M13: 10,958,642 km (0.036 R)
• M14: 17,606,323 km (0.103 R)
• M15: 19,302,912 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.3

Radius: 12.1

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.63 AU - 3.87 AU

Year: 4925 Days

Day: 13.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,918,439 km

• M1: 152,291 km (0.075 R)
• M2: 765,343 km (0.104 R)
• M3: 1,370,316 km (0.055 R)
• M4: 1,842,298 km (0.076 R)
• M5: 2,364,993 km (0.082 R)
• M6: 2,918,954 km (0.098 R)
• M7: 3,558,335 km (0.083 R)
• M8: 3,993,665 km (0.119 R)
• M9: 9,090,464 km (0.058 R)
• M10: 11,609,094 km (0.069 R)
• M11: 12,890,998 km (0.104 R)
• M12: 14,760,822 km (0.071 R)
• M13: 15,165,783 km (0.096 R)
• M14: 21,449,044 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.9

Radius: 8.6

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.06 AU - 6.12 AU

Year: 7789 Days

Day: 7.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,918,439 km

• M1: 110,104 km (0.09 R)
• M2: 768,035 km (0.1 R)
• M3: 1,072,766 km (0.037 R)
• M4: 1,910,664 km (0.077 R)
• M5: 2,213,001 km (0.071 R)
• M6: 2,845,950 km (0.11 R)
• M7: 6,005,906 km (0.045 R)
• M8: 7,231,262 km (0.097 R)
• M9: 8,800,244 km (0.1 R)
• M10: 11,097,918 km (0.109 R)
• M11: 11,854,135 km (0.09 R)
• M12: 17,898,039 km (0.076 R)
• M13: 18,812,830 km (0.097 R)
• M14: 19,439,645 km (0.109 R)
• M15: 24,078,226 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.3

Radius: 9

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.06 AU - 6.02 AU

Year: 8844 Days

Day: 12.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 46,918,439 km

• M1: 111,899 km (0.093 R)
• M2: 420,968 km (0.113 R)
• M3: 801,097 km (0.112 R)
• M4: 1,166,265 km (0.105 R)
• M5: 1,853,817 km (0.089 R)
• M6: 2,206,718 km (0.114 R)
• M7: 2,644,741 km (0.066 R)
• M8: 3,326,309 km (0.101 R)
• M9: 5,130,459 km (0.117 R)
• M10: 6,865,495 km (0.081 R)
• M11: 8,103,118 km (0.03 R)
• M12: 9,386,668 km (0.096 R)
• M13: 10,960,438 km (0.102 R)
• M14: 12,064,769 km (0.103 R)
• M15: 13,795,467 km (0.077 R)
• M16: 14,109,772 km (0.116 R)
• M17: 14,687,519 km (0.068 R)
• M18: 16,657,125 km (0.087 R)
• M19: 18,114,058 km (0.04 R)
• M20: 22,905,080 km (0.042 R)
• M21: 23,703,184 km (0.028 R)
• M22: 28,783,827 km (0.082 R)
• M23: 33,517,702 km (0.058 R)
• M24: 36,187,426 km (0.071 R)
• M25: 38,373,200 km (0.111 R)
• M26: 38,745,849 km (0.083 R)
• M27: 47,141,131 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308

Radius: 5.1

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.21 AU - 6.11 AU

Year: 9133 Days

Day: 20.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,918,439 km

• M1: 63,429 km (0.094 R)
• M2: 227,090 km (0.105 R)
• M3: 392,246 km (0.045 R)
• M4: 622,178 km (0.115 R)
• M5: 913,744 km (0.118 R)
• M6: 1,237,025 km (0.115 R)
• M7: 1,517,521 km (0.118 R)
• M8: 1,700,180 km (0.102 R)
• M9: 1,971,700 km (0.092 R)
• M10: 2,476,443 km (0.117 R)
• M11: 2,638,009 km (0.07 R)
• M12: 4,402,366 km (0.091 R)
• M13: 5,056,258 km (0.103 R)
• M14: 5,346,927 km (0.076 R)
• M15: 5,710,600 km (0.103 R)
• M16: 6,865,345 km (0.1 R)
• M17: 7,666,292 km (0.075 R)
• M18: 10,864,695 km (0.071 R)
• M19: 12,308,614 km (0.07 R)
• M20: 13,103,577 km (0.104 R)
• M21: 13,988,598 km (0.047 R)
• M22: 15,090,536 km (0.115 R)
• M23: 16,754,214 km (0.108 R)
• M24: 16,946,297 km (0.102 R)
• M25: 17,795,714 km (0.073 R)
• M26: 18,741,771 km (0.047 R)
• M27: 19,649,980 km (0.111 R)
• M28: 21,478,215 km (0.12 R)
• M29: 23,178,245 km (0.11 R)
• M30: 27,194,799 km (0.06 R)
• M31: 27,996,194 km (0.101 R)
• M32: 30,590,221 km (0.049 R)
• M33: 32,637,618 km (0.092 R)
• M34: 33,441,108 km (0.081 R)
• M35: 34,463,759 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.1

Radius: 5.3

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6.37 AU - 7.43 AU

Year: 12293 Days

Day: 22.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,918,439 km

• M1: 67,020 km (0.09 R)
• M2: 265,087 km (0.074 R)
• M3: 475,422 km (0.087 R)
• M4: 754,871 km (0.08 R)
• M5: 1,029,682 km (0.087 R)
• M6: 1,330,972 km (0.08 R)
• M7: 1,780,514 km (0.118 R)
• M8: 2,718,792 km (0.115 R)
• M9: 2,931,520 km (0.086 R)
• M10: 3,713,618 km (0.115 R)
• M11: 3,895,977 km (0.096 R)
• M12: 4,194,575 km (0.103 R)
• M13: 4,807,178 km (0.107 R)
• M14: 5,312,520 km (0.058 R)
• M15: 5,477,376 km (0.117 R)
• M16: 5,993,040 km (0.045 R)
• M17: 6,540,419 km (0.08 R)
• M18: 8,471,578 km (0.107 R)
• M19: 10,287,546 km (0.064 R)
• M20: 11,286,262 km (0.079 R)
• M21: 13,231,932 km (0.032 R)
• M22: 15,862,461 km (0.06 R)
• M23: 16,693,626 km (0.065 R)
• M24: 18,367,327 km (0.112 R)
• M25: 19,283,465 km (0.037 R)
• M26: 21,455,626 km (0.116 R)
• M27: 22,557,414 km (0.094 R)
• M28: 23,518,730 km (0.096 R)
• M29: 24,506,974 km (0.075 R)
• M30: 34,107,716 km (0.104 R)
• M31: 41,259,542 km (0.086 R)
• M32: 43,625,432 km (0.12 R)
• M33: 44,705,379 km (0.11 R)
• M34: 44,978,096 km (0.103 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: 454 - 14,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit