🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.9

Radius: 14.8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.52 AU - 0.8 AU

Year: 370 Days

Day: 10.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,411,319 km

• M1: 184,155 km (0.101 R)
• M2: 662,868 km (0.083 R)
• M3: 1,210,845 km (0.093 R)
• M4: 1,794,127 km (0.025 R)
• M5: 2,549,597 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719

Radius: 15

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.3 AU - 1.38 AU

Year: 1071 Days

Day: 8.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,411,319 km

• M1: 188,942 km (0.106 R)
• M2: 733,478 km (0.089 R)
• M3: 1,336,358 km (0.034 R)
• M4: 2,012,540 km (0.113 R)
• M5: 2,912,222 km (0.044 R)
• M6: 3,434,019 km (0.058 R)
• M7: 4,284,184 km (0.103 R)
• M8: 5,777,171 km (0.104 R)
• M9: 6,293,582 km (0.034 R)
• M10: 7,494,554 km (0.088 R)
• M11: 8,296,399 km (0.085 R)
• M12: 9,327,577 km (0.084 R)
• M13: 10,726,915 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.7

Radius: 10.7

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.61 AU - 1.63 AU

Year: 1423 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 105.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,411,319 km

• M1: 134,189 km (0.108 R)
• M2: 468,690 km (0.066 R)
• M3: 881,281 km (0.083 R)
• M4: 1,359,545 km (0.114 R)
• M5: 1,795,474 km (0.059 R)
• M6: 2,557,226 km (0.117 R)
• M7: 3,083,811 km (0.083 R)
• M8: 4,161,214 km (0.109 R)
• M9: 4,681,965 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362

Radius: 15

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.68 AU - 2.02 AU

Year: 1737 Days

Day: 7.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,411,319 km

• M1: 190,288 km (0.115 R)
• M2: 783,294 km (0.12 R)
• M3: 2,613,475 km (0.105 R)
• M4: 4,313,056 km (0.091 R)
• M5: 5,157,237 km (0.116 R)
• M6: 6,290,590 km (0.115 R)
• M7: 7,558,133 km (0.058 R)
• M8: 8,873,996 km (0.075 R)
• M9: 10,596,616 km (0.071 R)
• M10: 11,502,730 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.4

Radius: 12.2

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.01 AU - 4.61 AU

Year: 5133 Days

Day: 7.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 95.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,411,319 km

• M1: 151,842 km (0.091 R)
• M2: 655,837 km (0.086 R)
• M3: 2,414,659 km (0.066 R)
• M4: 2,826,203 km (0.051 R)
• M5: 3,511,511 km (0.097 R)
• M6: 8,329,909 km (0.109 R)
• M7: 10,523,462 km (0.082 R)
• M8: 14,032,430 km (0.103 R)
• M9: 15,492,505 km (0.065 R)
• M10: 16,379,620 km (0.111 R)
• M11: 16,804,927 km (0.086 R)
• M12: 21,692,738 km (0.12 R)
• M13: 23,410,272 km (0.081 R)
• M14: 25,297,299 km (0.087 R)
• M15: 27,968,369 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.3

Radius: 14.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.89 AU - 4.39 AU

Year: 5814 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,411,319 km

• M1: 188,793 km (0.082 R)
• M2: 764,595 km (0.072 R)
• M3: 1,373,009 km (0.109 R)
• M4: 2,206,718 km (0.062 R)
• M5: 3,076,929 km (0.097 R)
• M6: 3,636,126 km (0.115 R)
• M7: 4,411,940 km (0.108 R)
• M8: 5,353,061 km (0.042 R)
• M9: 6,294,929 km (0.112 R)
• M10: 7,028,407 km (0.098 R)
• M11: 7,968,031 km (0.073 R)
• M12: 9,618,245 km (0.084 R)
• M13: 11,486,424 km (0.069 R)
• M14: 11,976,656 km (0.073 R)
• M15: 12,634,887 km (0.058 R)
• M16: 13,586,030 km (0.115 R)
• M17: 16,852,200 km (0.106 R)
• M18: 19,004,913 km (0.093 R)
• M19: 23,457,395 km (0.102 R)
• M20: 24,975,215 km (0.06 R)
• M21: 26,642,633 km (0.106 R)
• M22: 27,416,802 km (0.095 R)
• M23: 28,561,525 km (0.075 R)
• M24: 29,554,705 km (0.073 R)
• M25: 31,134,907 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 11.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.88 AU - 5.86 AU

Year: 7418 Days

Day: 10.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,411,319 km

• M1: 139,724 km (0.104 R)
• M2: 505,342 km (0.058 R)
• M3: 1,175,540 km (0.104 R)
• M4: 1,689,409 km (0.062 R)
• M5: 2,563,958 km (0.098 R)
• M6: 2,927,182 km (0.096 R)
• M7: 3,799,936 km (0.095 R)
• M8: 4,365,565 km (0.049 R)
• M9: 5,318,803 km (0.067 R)
• M10: 6,706,622 km (0.098 R)
• M11: 7,080,617 km (0.063 R)
• M12: 7,701,448 km (0.081 R)
• M13: 8,287,273 km (0.078 R)
• M14: 8,791,867 km (0.053 R)
• M15: 9,509,488 km (0.075 R)
• M16: 9,862,838 km (0.047 R)
• M17: 11,452,465 km (0.064 R)
• M18: 11,807,910 km (0.12 R)
• M19: 13,647,066 km (0.113 R)
• M20: 14,454,296 km (0.079 R)
• M21: 15,453,909 km (0.108 R)
• M22: 17,356,943 km (0.07 R)
• M23: 18,485,958 km (0.075 R)
• M24: 22,373,110 km (0.094 R)
• M25: 24,727,930 km (0.041 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.9

Radius: 6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.92 AU - 6.94 AU

Year: 9968 Days

Day: 22.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 159.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,411,319 km

• M1: 74,649 km (0.039 R)
• M2: 290,519 km (0.111 R)
• M3: 502,798 km (0.038 R)
• M4: 1,006,644 km (0.072 R)
• M5: 1,280,109 km (0.075 R)
• M6: 2,284,060 km (0.089 R)
• M7: 2,707,422 km (0.072 R)
• M8: 3,259,438 km (0.084 R)
• M9: 4,938,974 km (0.053 R)
• M10: 5,674,397 km (0.095 R)
• M11: 6,143,237 km (0.075 R)
• M12: 6,480,281 km (0.103 R)
• M13: 8,170,138 km (0.116 R)
• M14: 9,274,320 km (0.066 R)
• M15: 9,595,656 km (0.04 R)
• M16: 10,175,946 km (0.087 R)
• M17: 16,317,388 km (0.115 R)
• M18: 17,505,344 km (0.049 R)
• M19: 19,070,138 km (0.087 R)
• M20: 19,264,017 km (0.113 R)
• M21: 20,589,903 km (0.109 R)
• M22: 23,128,130 km (0.086 R)
• M23: 23,570,491 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.9

Radius: 6.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.4 AU - 8.34 AU

Year: 12429 Days

Day: 22.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,411,319 km

• M1: 85,720 km (0.109 R)
• M2: 303,085 km (0.056 R)
• M3: 515,664 km (0.086 R)
• M4: 1,021,005 km (0.096 R)
• M5: 1,832,724 km (0.052 R)
• M6: 2,550,793 km (0.038 R)
• M7: 2,854,028 km (0.119 R)
• M8: 3,813,848 km (0.105 R)
• M9: 4,288,821 km (0.05 R)
• M10: 6,017,425 km (0.101 R)
• M11: 6,660,995 km (0.109 R)
• M12: 6,873,573 km (0.068 R)
• M13: 8,910,049 km (0.043 R)
• M14: 9,475,978 km (0.087 R)
• M15: 10,631,472 km (0.087 R)
• M16: 12,779,249 km (0.074 R)
• M17: 14,598,209 km (0.055 R)
• M18: 14,957,543 km (0.066 R)
• M19: 16,908,898 km (0.111 R)
• M20: 18,254,231 km (0.03 R)
• M21: 19,597,022 km (0.088 R)
• M22: 20,181,650 km (0.04 R)
• M23: 21,462,358 km (0.1 R)
• M24: 27,400,196 km (0.109 R)
• M25: 29,062,678 km (0.09 R)
• M26: 31,581,307 km (0.087 R)
• M27: 36,496,495 km (0.12 R)
• M28: 36,937,061 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.4

Radius: 5.8

Gravity: 9.11 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.41 AU - 11.15 AU

Year: 22751 Days

Day: 24.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,411,319 km

• M1: 76,145 km (0.108 R)
• M2: 341,382 km (0.051 R)
• M3: 667,207 km (0.077 R)
• M4: 1,418,337 km (0.099 R)
• M5: 2,206,569 km (0.086 R)
• M6: 3,152,177 km (0.091 R)
• M7: 3,658,566 km (0.111 R)
• M8: 4,065,322 km (0.118 R)
• M9: 4,310,962 km (0.057 R)
• M10: 4,866,120 km (0.119 R)
• M11: 5,143,324 km (0.039 R)
• M12: 6,197,241 km (0.114 R)
• M13: 7,707,881 km (0.045 R)
• M14: 8,774,214 km (0.064 R)
• M15: 9,133,100 km (0.106 R)
• M16: 11,925,942 km (0.09 R)
• M17: 16,213,567 km (0.112 R)
• M18: 18,281,907 km (0.096 R)
• M19: 19,207,619 km (0.117 R)
• M20: 20,879,674 km (0.057 R)
• M21: 23,224,172 km (0.057 R)
• M22: 24,611,094 km (0.052 R)
• M23: 25,738,762 km (0.05 R)
• M24: 25,947,302 km (0.098 R)
• M25: 33,236,907 km (0.049 R)
• M26: 34,234,276 km (0.114 R)
• M27: 35,508,850 km (0.101 R)
• M28: 36,682,744 km (0.096 R)
• M29: 38,423,764 km (0.088 R)
• M30: 39,660,789 km (0.074 R)
• M31: 40,924,143 km (0.082 R)
• M32: 41,351,245 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 372 - 16,381 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit