🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.1

Radius: 14.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.43 AU - 0.65 AU

Year: 265 Days

Day: 12.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,728,395 km

• M1: 185,352 km (0.111 R)
• M2: 667,057 km (0.095 R)
• M3: 1,389,315 km (0.117 R)
• M4: 1,854,714 km (0.081 R)
• M5: 2,426,777 km (0.105 R)
• M6: 3,205,434 km (0.097 R)
• M7: 3,809,959 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.1

Radius: 14.5

Gravity: 0.05 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.82 AU - 1 AU

Year: 579 Days

Day: 10.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 53,728,395 km

• M1: 180,415 km (0.095 R)
• M2: 1,191,397 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.3

Radius: 9.6

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1 AU - 1.34 AU

Year: 844 Days

Day: 7 Hours

Environment

Temp: -173 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,728,395 km

• M1: 119,379 km (0.073 R)
• M2: 423,512 km (0.1 R)
• M3: 761,453 km (0.056 R)
• M4: 1,120,189 km (0.118 R)
• M5: 1,458,280 km (0.1 R)
• M6: 2,177,397 km (0.079 R)
• M7: 2,488,710 km (0.078 R)
• M8: 3,502,834 km (0.096 R)
• M9: 4,292,262 km (0.072 R)
• M10: 4,757,511 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.2

Radius: 9.4

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.52 AU - 2.22 AU

Year: 1705 Days

Day: 13.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,728,395 km

• M1: 116,986 km (0.07 R)
• M2: 438,023 km (0.076 R)
• M3: 772,374 km (0.077 R)
• M4: 1,100,442 km (0.105 R)
• M5: 1,504,805 km (0.12 R)
• M6: 2,372,323 km (0.114 R)
• M7: 2,866,594 km (0.108 R)
• M8: 3,191,970 km (0.104 R)
• M9: 4,320,387 km (0.085 R)
• M10: 5,038,456 km (0.119 R)
• M11: 7,074,633 km (0.048 R)
• M12: 7,956,064 km (0.107 R)
• M13: 8,847,218 km (0.052 R)
• M14: 9,412,997 km (0.049 R)
• M15: 9,803,298 km (0.048 R)
• M16: 11,437,804 km (0.065 R)
• M17: 13,987,251 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.7

Radius: 9.7

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.91 AU - 2.45 AU

Year: 2146 Days

Day: 5.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,728,395 km

• M1: 120,725 km (0.098 R)
• M2: 486,193 km (0.077 R)
• M3: 807,679 km (0.12 R)
• M4: 1,892,712 km (0.118 R)
• M5: 2,618,262 km (0.063 R)
• M6: 5,573,867 km (0.108 R)
• M7: 7,618,571 km (0.057 R)
• M8: 8,955,377 km (0.119 R)
• M9: 10,024,254 km (0.119 R)
• M10: 10,871,726 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.9

Radius: 12.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.35 AU - 3.59 AU

Year: 3413 Days

Day: 14 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,728,395 km

• M1: 155,582 km (0.119 R)
• M2: 740,360 km (0.112 R)
• M3: 1,429,408 km (0.118 R)
• M4: 1,884,335 km (0.101 R)
• M5: 2,279,273 km (0.034 R)
• M6: 2,939,000 km (0.118 R)
• M7: 3,545,320 km (0.083 R)
• M8: 4,856,096 km (0.045 R)
• M9: 5,420,529 km (0.105 R)
• M10: 6,129,773 km (0.091 R)
• M11: 9,706,209 km (0.108 R)
• M12: 10,493,692 km (0.106 R)
• M13: 11,016,836 km (0.099 R)
• M14: 12,237,106 km (0.083 R)
• M15: 12,649,398 km (0.11 R)
• M16: 13,415,039 km (0.115 R)
• M17: 15,226,969 km (0.101 R)
• M18: 15,898,065 km (0.119 R)
• M19: 17,351,109 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.6

Radius: 8.2

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.35 AU - 5.66 AU

Year: 7456 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,728,395 km

• M1: 115,938 km (0.117 R)
• M2: 744,100 km (0.063 R)
• M3: 1,468,453 km (0.055 R)
• M4: 2,352,875 km (0.098 R)
• M5: 3,880,120 km (0.101 R)
• M6: 5,945,319 km (0.111 R)
• M7: 6,541,316 km (0.106 R)
• M8: 7,852,243 km (0.096 R)
• M9: 11,327,850 km (0.062 R)
• M10: 13,595,006 km (0.084 R)
• M11: 14,105,284 km (0.038 R)
• M12: 16,592,498 km (0.07 R)
• M13: 22,731,546 km (0.068 R)
• M14: 23,530,997 km (0.081 R)
• M15: 23,937,754 km (0.109 R)
• M16: 27,902,845 km (0.104 R)
• M17: 29,191,481 km (0.111 R)
• M18: 33,910,845 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.8

Radius: 3.5

Gravity: 58.6 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 5.68 AU - 7.16 AU

Year: 10848 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,728,395 km

• M1: 58,942 km (0.114 R)
• M2: 190,588 km (0.034 R)
• M3: 300,243 km (0.111 R)
• M4: 1,486,404 km (0.097 R)
• M5: 1,806,544 km (0.116 R)
• M6: 2,283,312 km (0.05 R)
• M7: 2,419,746 km (0.119 R)
• M8: 2,751,703 km (0.085 R)
• M9: 4,069,960 km (0.047 R)
• M10: 4,661,170 km (0.105 R)
• M11: 4,977,420 km (0.047 R)
• M12: 5,173,842 km (0.118 R)
• M13: 7,223,034 km (0.107 R)
• M14: 8,356,986 km (0.071 R)
• M15: 9,604,482 km (0.099 R)
• M16: 16,987,885 km (0.06 R)
• M17: 24,791,509 km (0.116 R)
• M18: 26,239,317 km (0.093 R)
• M19: 29,942,163 km (0.111 R)
• M20: 37,482,046 km (0.06 R)
• M21: 38,743,904 km (0.116 R)
• M22: 42,021,892 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 693

Radius: 6.2

Gravity: 18.03 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.94 AU - 7.64 AU

Year: 11799 Days

Day: 22.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,728,395 km

• M1: 77,492 km (0.098 R)
• M2: 422,315 km (0.093 R)
• M3: 856,448 km (0.104 R)
• M4: 1,987,707 km (0.034 R)
• M5: 2,357,812 km (0.077 R)
• M6: 2,580,264 km (0.09 R)
• M7: 3,911,685 km (0.108 R)
• M8: 4,616,291 km (0.085 R)
• M9: 5,333,463 km (0.069 R)
• M10: 6,427,921 km (0.109 R)
• M11: 7,885,005 km (0.046 R)
• M12: 8,906,309 km (0.07 R)
• M13: 9,398,486 km (0.063 R)
• M14: 10,170,710 km (0.094 R)
• M15: 10,437,144 km (0.087 R)
• M16: 12,863,771 km (0.107 R)
• M17: 13,238,514 km (0.084 R)
• M18: 13,620,587 km (0.118 R)
• M19: 14,540,763 km (0.051 R)
• M20: 16,431,082 km (0.117 R)
• M21: 17,170,993 km (0.085 R)
• M22: 18,479,526 km (0.111 R)
• M23: 23,815,083 km (0.104 R)
• M24: 25,244,790 km (0.113 R)
• M25: 25,832,261 km (0.068 R)
• M26: 28,695,265 km (0.065 R)
• M27: 28,907,545 km (0.081 R)
• M28: 29,227,983 km (0.05 R)
• M29: 30,532,925 km (0.025 R)
• M30: 30,976,483 km (0.061 R)
• M31: 32,562,669 km (0.032 R)
• M32: 37,899,573 km (0.065 R)
• M33: 40,374,072 km (0.082 R)
• M34: 41,991,075 km (0.062 R)
• M35: 45,497,799 km (0.115 R)
• M36: 50,418,821 km (0.107 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: 274 - 16,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit