🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.1

Radius: 11.9

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.78 AU - 0.92 AU

Year: 532 Days

Day: 5.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,999,082 km

• M1: 147,952 km (0.103 R)
• M2: 553,811 km (0.051 R)
• M3: 1,053,468 km (0.078 R)
• M4: 1,477,429 km (0.118 R)
• M5: 2,016,729 km (0.118 R)
• M6: 2,582,508 km (0.098 R)
• M7: 3,284,720 km (0.118 R)
• M8: 4,072,503 km (0.093 R)
• M9: 4,464,300 km (0.114 R)
• M10: 4,881,229 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983

Radius: 8.6

Gravity: 13.29 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.91 AU - 1.39 AU

Year: 836 Days

Day: 12.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,999,082 km

• M1: 106,962 km (0.119 R)
• M2: 417,827 km (0.078 R)
• M3: 1,135,897 km (0.057 R)
• M4: 1,727,407 km (0.058 R)
• M5: 2,219,434 km (0.07 R)
• M6: 2,840,265 km (0.108 R)
• M7: 3,212,465 km (0.113 R)
• M8: 4,022,986 km (0.096 R)
• M9: 4,407,004 km (0.11 R)
• M10: 5,832,372 km (0.119 R)
• M11: 7,742,737 km (0.098 R)
• M12: 9,946,613 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.2

Radius: 13.8

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.68 AU - 3.06 AU

Year: 3298 Days

Day: 12.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,999,082 km

• M1: 173,085 km (0.117 R)
• M2: 1,367,923 km (0.091 R)
• M3: 2,197,144 km (0.034 R)
• M4: 4,217,613 km (0.066 R)
• M5: 5,424,419 km (0.079 R)
• M6: 6,379,900 km (0.118 R)
• M7: 6,971,111 km (0.073 R)
• M8: 9,772,331 km (0.094 R)
• M9: 10,689,516 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.2

Radius: 13.2

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.58 AU - 5.12 AU

Year: 6154 Days

Day: 13.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,999,082 km

• M1: 164,558 km (0.059 R)
• M2: 1,042,248 km (0.095 R)
• M3: 2,196,396 km (0.037 R)
• M4: 3,241,487 km (0.09 R)
• M5: 4,076,692 km (0.098 R)
• M6: 4,594,599 km (0.075 R)
• M7: 5,850,025 km (0.054 R)
• M8: 6,295,527 km (0.082 R)
• M9: 11,716,356 km (0.058 R)
• M10: 12,818,144 km (0.055 R)
• M11: 13,883,281 km (0.087 R)
• M12: 14,733,894 km (0.063 R)
• M13: 20,179,855 km (0.099 R)
• M14: 27,657,355 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.6

Radius: 11.6

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.74 AU - 4.98 AU

Year: 6175 Days

Day: 14.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,999,082 km

• M1: 146,008 km (0.114 R)
• M2: 773,720 km (0.061 R)
• M3: 1,671,607 km (0.05 R)
• M4: 2,268,801 km (0.069 R)
• M5: 2,787,308 km (0.099 R)
• M6: 3,253,903 km (0.111 R)
• M7: 4,947,650 km (0.077 R)
• M8: 7,810,804 km (0.07 R)
• M9: 9,216,575 km (0.071 R)
• M10: 10,930,967 km (0.104 R)
• M11: 16,679,564 km (0.09 R)
• M12: 18,502,713 km (0.085 R)
• M13: 21,288,675 km (0.057 R)
• M14: 28,231,811 km (0.106 R)
• M15: 30,714,388 km (0.08 R)
• M16: 32,109,687 km (0.048 R)
• M17: 36,109,784 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.8

Radius: 11.9

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.03 AU - 5.27 AU

Year: 7927 Days

Day: 5.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,999,082 km

• M1: 147,952 km (0.118 R)
• M2: 797,805 km (0.112 R)
• M3: 1,388,418 km (0.119 R)
• M4: 1,978,282 km (0.108 R)
• M5: 2,391,920 km (0.049 R)
• M6: 3,484,882 km (0.101 R)
• M7: 4,941,218 km (0.087 R)
• M8: 5,346,927 km (0.062 R)
• M9: 6,459,786 km (0.115 R)
• M10: 7,759,492 km (0.112 R)
• M11: 9,709,500 km (0.041 R)
• M12: 13,080,987 km (0.119 R)
• M13: 13,804,443 km (0.06 R)
• M14: 14,320,855 km (0.112 R)
• M15: 17,560,845 km (0.1 R)
• M16: 21,034,059 km (0.053 R)
• M17: 21,412,392 km (0.12 R)
• M18: 25,194,825 km (0.08 R)
• M19: 26,402,379 km (0.079 R)
• M20: 36,066,102 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.1

Radius: 8.4

Gravity: 13.75 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.08 AU - 5.42 AU

Year: 8159 Days

Day: 8.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,999,082 km

• M1: 104,569 km (0.102 R)
• M2: 382,522 km (0.107 R)
• M3: 1,729,202 km (0.119 R)
• M4: 5,226,202 km (0.066 R)
• M5: 6,108,231 km (0.072 R)
• M6: 7,407,039 km (0.104 R)
• M7: 8,121,369 km (0.11 R)
• M8: 9,019,704 km (0.075 R)
• M9: 9,883,483 km (0.057 R)
• M10: 10,386,580 km (0.094 R)
• M11: 11,443,938 km (0.051 R)
• M12: 12,688,143 km (0.049 R)
• M13: 14,591,178 km (0.116 R)
• M14: 24,204,935 km (0.097 R)
• M15: 27,112,819 km (0.102 R)
• M16: 27,504,317 km (0.061 R)
• M17: 30,561,199 km (0.043 R)
• M18: 34,634,151 km (0.111 R)
• M19: 36,979,696 km (0.038 R)
• M20: 38,806,884 km (0.034 R)
• M21: 40,311,241 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 147.9

Radius: 4.1

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.12 AU - 6.38 AU

Year: 9352 Days

Day: 16.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,999,082 km

• M1: 407,205 km (0.108 R)
• M2: 544,686 km (0.119 R)
• M3: 2,775,340 km (0.104 R)
• M4: 3,565,067 km (0.036 R)
• M5: 3,844,067 km (0.058 R)
• M6: 6,281,166 km (0.051 R)
• M7: 7,045,910 km (0.104 R)
• M8: 9,546,738 km (0.073 R)
• M9: 10,296,073 km (0.114 R)
• M10: 13,430,448 km (0.071 R)
• M11: 14,263,259 km (0.046 R)
• M12: 15,463,633 km (0.119 R)
• M13: 26,764,854 km (0.11 R)

Asteroid Belt

Center: 6.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.2

Radius: 7.7

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.52 AU - 7.98 AU

Year: 11895 Days

Day: 17.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,999,082 km

• M1: 100,081 km (0.088 R)
• M2: 357,539 km (0.072 R)
• M3: 1,354,310 km (0.094 R)
• M4: 1,721,423 km (0.109 R)
• M5: 2,395,810 km (0.119 R)
• M6: 3,235,054 km (0.066 R)
• M7: 3,656,920 km (0.066 R)
• M8: 5,113,255 km (0.049 R)
• M9: 5,616,802 km (0.087 R)
• M10: 8,926,056 km (0.115 R)
• M11: 9,756,474 km (0.026 R)
• M12: 11,626,747 km (0.045 R)
• M13: 12,085,563 km (0.031 R)
• M14: 12,378,476 km (0.091 R)
• M15: 16,487,032 km (0.099 R)
• M16: 20,914,830 km (0.118 R)
• M17: 24,925,548 km (0.116 R)
• M18: 26,762,909 km (0.072 R)
• M19: 31,803,311 km (0.098 R)
• M20: 35,255,281 km (0.081 R)
• M21: 37,442,103 km (0.059 R)
• M22: 41,284,824 km (0.062 R)
• M23: 44,542,317 km (0.094 R)
• M24: 45,523,829 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.5

Radius: 4.5

Gravity: 29.21 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 8.05 AU - 13.29 AU

Year: 23639 Days

Day: 17.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 80,999,082 km

• M1: 56,099 km (0.11 R)
• M2: 329,115 km (0.104 R)
• M3: 543,938 km (0.067 R)
• M4: 1,040,752 km (0.116 R)
• M5: 1,528,441 km (0.097 R)
• M6: 1,832,873 km (0.064 R)
• M7: 2,329,987 km (0.089 R)
• M8: 2,585,949 km (0.112 R)
• M9: 2,733,303 km (0.106 R)
• M10: 3,895,678 km (0.038 R)
• M11: 4,155,978 km (0.069 R)
• M12: 4,324,426 km (0.107 R)
• M13: 6,402,190 km (0.106 R)
• M14: 6,718,590 km (0.064 R)
• M15: 7,188,776 km (0.033 R)
• M16: 7,781,483 km (0.119 R)
• M17: 9,007,587 km (0.094 R)
• M18: 9,233,330 km (0.087 R)
• M19: 11,306,457 km (0.089 R)
• M20: 11,768,715 km (0.105 R)
• M21: 12,312,354 km (0.101 R)
• M22: 13,376,443 km (0.116 R)
• M23: 15,363,851 km (0.087 R)
• M24: 20,488,924 km (0.086 R)
• M25: 20,977,661 km (0.06 R)
• M26: 21,978,620 km (0.09 R)
• M27: 24,509,816 km (0.085 R)
• M28: 26,301,250 km (0.092 R)
• M29: 29,026,325 km (0.112 R)
• M30: 30,142,176 km (0.061 R)
• M31: 31,286,151 km (0.107 R)
• M32: 42,438,373 km (0.094 R)
• M33: 46,505,640 km (0.091 R)
• M34: 51,360,988 km (0.109 R)
• M35: 60,651,016 km (0.071 R)
• M36: 62,880,024 km (0.081 R)
• M37: 65,373,372 km (0.094 R)
• M38: 66,006,769 km (0.097 R)
• M39: 68,799,163 km (0.045 R)
• M40: 76,238,964 km (0.091 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: 507 - 18,933 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit