🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 14

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.69 AU - 0.81 AU

Year: 413 Days

Day: 11.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,713,117 km

• M1: 174,132 km (0.032 R)
• M2: 681,418 km (0.091 R)
• M3: 1,120,338 km (0.105 R)
• M4: 1,699,731 km (0.081 R)
• M5: 2,299,170 km (0.119 R)
• M6: 3,015,893 km (0.101 R)
• M7: 3,657,518 km (0.098 R)
• M8: 4,134,885 km (0.104 R)
• M9: 4,579,340 km (0.062 R)
• M10: 5,298,308 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.7

Radius: 12

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.26 AU - 1.54 AU

Year: 1053 Days

Day: 13.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,713,117 km

• M1: 149,299 km (0.083 R)
• M2: 525,687 km (0.081 R)
• M3: 995,574 km (0.091 R)
• M4: 1,510,639 km (0.089 R)
• M5: 2,015,532 km (0.111 R)
• M6: 2,842,958 km (0.119 R)
• M7: 4,177,371 km (0.059 R)
• M8: 4,975,027 km (0.113 R)
• M9: 5,440,426 km (0.118 R)
• M10: 6,392,018 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.1

Radius: 8.7

Gravity: 8.52 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.49 AU - 1.57 AU

Year: 1203 Days

Day: 6.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,713,117 km

• M1: 108,159 km (0.094 R)
• M2: 426,803 km (0.093 R)
• M3: 839,693 km (0.1 R)
• M4: 1,378,395 km (0.088 R)
• M5: 2,620,057 km (0.062 R)
• M6: 3,095,778 km (0.117 R)
• M7: 4,116,784 km (0.09 R)
• M8: 4,539,099 km (0.1 R)
• M9: 4,893,646 km (0.102 R)
• M10: 5,206,455 km (0.099 R)
• M11: 5,722,119 km (0.109 R)
• M12: 7,323,115 km (0.11 R)
• M13: 8,543,834 km (0.113 R)
• M14: 9,833,517 km (0.107 R)
• M15: 10,365,038 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.3

Radius: 10.4

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.41 AU - 2.33 AU

Year: 1626 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 121.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,713,117 km

• M1: 130,150 km (0.105 R)
• M2: 483,351 km (0.119 R)
• M3: 1,053,767 km (0.113 R)
• M4: 1,680,433 km (0.104 R)
• M5: 2,129,675 km (0.065 R)
• M6: 2,540,621 km (0.103 R)
• M7: 3,654,975 km (0.098 R)
• M8: 4,266,531 km (0.057 R)
• M9: 4,924,762 km (0.116 R)
• M10: 5,921,533 km (0.118 R)
• M11: 6,274,135 km (0.058 R)
• M12: 6,690,765 km (0.104 R)
• M13: 7,390,434 km (0.107 R)
• M14: 7,883,359 km (0.111 R)
• M15: 8,723,949 km (0.081 R)
• M16: 9,274,918 km (0.056 R)
• M17: 9,849,075 km (0.064 R)
• M18: 12,691,883 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.2

Radius: 11.1

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.59 AU - 2.33 AU

Year: 1745 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,713,117 km

• M1: 138,378 km (0.117 R)
• M2: 936,483 km (0.117 R)
• M3: 1,638,396 km (0.102 R)
• M4: 2,981,486 km (0.103 R)
• M5: 3,807,266 km (0.111 R)
• M6: 4,914,140 km (0.076 R)
• M7: 5,395,995 km (0.065 R)
• M8: 5,931,406 km (0.057 R)
• M9: 6,788,751 km (0.057 R)
• M10: 7,994,361 km (0.089 R)
• M11: 9,550,029 km (0.082 R)
• M12: 11,609,393 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.2

Radius: 10.8

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.34 AU - 5.92 AU

Year: 8494 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,713,117 km

• M1: 134,638 km (0.117 R)
• M2: 581,038 km (0.054 R)
• M3: 1,145,920 km (0.085 R)
• M4: 1,757,775 km (0.096 R)
• M5: 2,191,160 km (0.058 R)
• M6: 4,097,785 km (0.039 R)
• M7: 4,629,905 km (0.076 R)
• M8: 5,335,408 km (0.093 R)
• M9: 6,110,923 km (0.104 R)
• M10: 6,845,000 km (0.061 R)
• M11: 7,595,832 km (0.076 R)
• M12: 7,970,275 km (0.097 R)
• M13: 8,400,668 km (0.077 R)
• M14: 9,075,504 km (0.119 R)
• M15: 10,229,951 km (0.046 R)
• M16: 10,584,498 km (0.114 R)
• M17: 11,973,664 km (0.087 R)
• M18: 12,596,739 km (0.108 R)
• M19: 13,601,887 km (0.112 R)
• M20: 13,969,150 km (0.105 R)
• M21: 16,313,947 km (0.063 R)
• M22: 18,608,330 km (0.062 R)
• M23: 19,367,539 km (0.084 R)
• M24: 24,183,543 km (0.033 R)
• M25: 25,455,424 km (0.065 R)
• M26: 28,330,246 km (0.072 R)
• M27: 32,490,862 km (0.116 R)
• M28: 35,058,859 km (0.089 R)
• M29: 39,842,251 km (0.089 R)
• M30: 42,389,604 km (0.104 R)
• M31: 42,911,850 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256

Radius: 4.1

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.22 AU - 7.62 AU

Year: 10343 Days

Day: 21.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,713,117 km

• M1: 53,107 km (0.102 R)
• M2: 209,437 km (0.058 R)
• M3: 508,633 km (0.104 R)
• M4: 850,165 km (0.099 R)
• M5: 1,012,628 km (0.101 R)
• M6: 3,264,076 km (0.062 R)
• M7: 4,618,984 km (0.055 R)
• M8: 5,420,080 km (0.084 R)
• M9: 9,823,793 km (0.1 R)
• M10: 10,234,140 km (0.072 R)
• M11: 11,137,861 km (0.044 R)
• M12: 17,501,604 km (0.115 R)
• M13: 25,160,267 km (0.098 R)
• M14: 33,135,779 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.2

Radius: 3.7

Gravity: 50.71 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.83 AU - 10.87 AU

Year: 18178 Days

Day: 19.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 71,713,117 km

• M1: 52,509 km (0.095 R)
• M2: 226,342 km (0.057 R)
• M3: 391,946 km (0.092 R)
• M4: 964,308 km (0.09 R)
• M5: 1,757,925 km (0.086 R)
• M6: 2,160,492 km (0.074 R)
• M7: 2,372,473 km (0.09 R)
• M8: 2,528,952 km (0.092 R)
• M9: 2,988,965 km (0.102 R)
• M10: 3,886,104 km (0.052 R)
• M11: 4,104,068 km (0.053 R)
• M12: 4,632,747 km (0.095 R)
• M13: 6,361,350 km (0.031 R)
• M14: 6,664,136 km (0.11 R)
• M15: 6,886,140 km (0.092 R)
• M16: 7,439,353 km (0.078 R)
• M17: 8,021,438 km (0.119 R)
• M18: 9,608,821 km (0.1 R)
• M19: 10,655,258 km (0.078 R)
• M20: 12,364,114 km (0.094 R)
• M21: 17,209,141 km (0.116 R)
• M22: 17,375,493 km (0.105 R)
• M23: 18,570,182 km (0.074 R)
• M24: 19,366,492 km (0.087 R)
• M25: 21,312,610 km (0.115 R)
• M26: 22,481,119 km (0.101 R)
• M27: 28,735,507 km (0.102 R)
• M28: 29,323,277 km (0.081 R)
• M29: 29,560,689 km (0.102 R)
• M30: 31,755,140 km (0.117 R)
• M31: 36,465,079 km (0.062 R)
• M32: 38,415,686 km (0.034 R)
• M33: 41,470,325 km (0.118 R)
• M34: 42,827,477 km (0.056 R)
• M35: 48,387,282 km (0.044 R)
• M36: 51,425,465 km (0.03 R)
• M37: 51,597,802 km (0.092 R)
• M38: 59,003,495 km (0.099 R)
• M39: 64,648,869 km (0.095 R)
• M40: 65,657,159 km (0.117 R)
• M41: 67,086,417 km (0.078 R)
• M42: 68,536,170 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 18,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit