🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 14.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.19 AU - 1.49 AU

Year: 986 Days

Day: 7.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 96,877,261 km

• M1: 178,321 km (0.057 R)
• M2: 644,468 km (0.062 R)
• M3: 1,093,261 km (0.078 R)
• M4: 1,682,228 km (0.111 R)
• M5: 3,739,498 km (0.068 R)
• M6: 4,401,319 km (0.102 R)
• M7: 5,124,325 km (0.109 R)
• M8: 6,033,731 km (0.113 R)

Asteroid Belt

Center: 2.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.4

Radius: 12.4

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.05 AU - 3.07 AU

Year: 3403 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 96,877,261 km

• M1: 156,180 km (0.073 R)
• M2: 693,835 km (0.082 R)
• M3: 1,934,749 km (0.089 R)
• M4: 2,336,719 km (0.1 R)
• M5: 2,942,740 km (0.108 R)
• M6: 3,328,403 km (0.101 R)
• M7: 4,416,877 km (0.094 R)
• M8: 6,861,755 km (0.076 R)
• M9: 9,412,548 km (0.111 R)
• M10: 9,939,432 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 13.1

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3 AU - 3.28 AU

Year: 3538 Days

Day: 10.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 96,877,261 km

• M1: 162,912 km (0.075 R)
• M2: 717,471 km (0.119 R)
• M3: 1,428,061 km (0.061 R)
• M4: 2,403,888 km (0.114 R)
• M5: 2,985,076 km (0.081 R)
• M6: 3,417,115 km (0.085 R)
• M7: 4,021,939 km (0.109 R)
• M8: 5,808,885 km (0.1 R)
• M9: 7,056,083 km (0.051 R)
• M10: 7,760,539 km (0.052 R)
• M11: 9,271,178 km (0.083 R)
• M12: 11,101,658 km (0.116 R)
• M13: 11,549,255 km (0.083 R)
• M14: 12,867,362 km (0.091 R)
• M15: 15,969,573 km (0.119 R)
• M16: 17,363,376 km (0.108 R)
• M17: 19,734,203 km (0.1 R)
• M18: 24,053,692 km (0.084 R)
• M19: 24,578,033 km (0.068 R)
• M20: 26,751,540 km (0.061 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 992.4

Radius: 4.9

Gravity: 41.33 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.22 AU - 7.22 AU

Year: 9863 Days

Day: 23 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 96,877,261 km

• M1: 61,036 km (0.042 R)
• M2: 395,387 km (0.107 R)
• M3: 697,126 km (0.111 R)
• M4: 930,200 km (0.072 R)
• M5: 1,264,700 km (0.119 R)
• M6: 1,467,256 km (0.112 R)
• M7: 1,707,061 km (0.119 R)
• M8: 2,152,265 km (0.05 R)
• M9: 2,692,762 km (0.059 R)
• M10: 5,018,111 km (0.075 R)
• M11: 5,184,464 km (0.104 R)
• M12: 6,532,341 km (0.113 R)
• M13: 6,933,413 km (0.051 R)
• M14: 10,863,049 km (0.077 R)
• M15: 12,125,955 km (0.112 R)
• M16: 12,547,521 km (0.117 R)
• M17: 13,166,557 km (0.087 R)
• M18: 13,483,705 km (0.117 R)
• M19: 17,089,313 km (0.102 R)
• M20: 17,466,599 km (0.086 R)
• M21: 18,237,776 km (0.093 R)
• M22: 19,847,748 km (0.091 R)
• M23: 26,028,234 km (0.119 R)
• M24: 26,527,592 km (0.073 R)
• M25: 29,658,825 km (0.096 R)
• M26: 31,877,810 km (0.062 R)
• M27: 32,795,444 km (0.046 R)
• M28: 33,495,262 km (0.11 R)
• M29: 34,324,184 km (0.098 R)
• M30: 36,518,336 km (0.057 R)
• M31: 37,649,595 km (0.111 R)
• M32: 42,684,760 km (0.11 R)
• M33: 48,902,497 km (0.046 R)
• M34: 51,832,221 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 927.5

Radius: 6

Gravity: 25.76 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.44 AU - 7.32 AU

Year: 10246 Days

Day: 17.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 96,877,261 km

• M1: 74,649 km (0.075 R)
• M2: 473,627 km (0.091 R)
• M3: 1,053,767 km (0.11 R)
• M4: 1,320,500 km (0.108 R)
• M5: 1,586,635 km (0.066 R)
• M6: 1,821,803 km (0.12 R)
• M7: 2,822,912 km (0.044 R)
• M8: 3,051,198 km (0.081 R)
• M9: 3,442,247 km (0.117 R)
• M10: 3,729,924 km (0.064 R)
• M11: 4,062,031 km (0.059 R)
• M12: 4,596,993 km (0.08 R)
• M13: 5,915,848 km (0.107 R)
• M14: 6,329,336 km (0.049 R)
• M15: 7,952,024 km (0.053 R)
• M16: 11,072,187 km (0.048 R)
• M17: 11,758,093 km (0.114 R)
• M18: 18,933,555 km (0.113 R)
• M19: 22,780,165 km (0.095 R)
• M20: 23,514,541 km (0.112 R)
• M21: 25,713,630 km (0.084 R)
• M22: 26,409,260 km (0.109 R)
• M23: 28,996,106 km (0.103 R)
• M24: 31,183,527 km (0.093 R)
• M25: 32,432,220 km (0.083 R)
• M26: 33,244,088 km (0.118 R)
• M27: 53,895,326 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.1

Radius: 3.4

Gravity: 42.66 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.37 AU - 7.51 AU

Year: 12903 Days

Day: 17.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 96,877,261 km

• M1: 42,336 km (0.112 R)
• M2: 151,543 km (0.081 R)
• M3: 380,278 km (0.109 R)
• M4: 540,796 km (0.079 R)
• M5: 653,144 km (0.064 R)
• M6: 866,172 km (0.077 R)
• M7: 1,010,534 km (0.056 R)
• M8: 1,335,011 km (0.106 R)
• M9: 1,870,422 km (0.066 R)
• M10: 1,989,352 km (0.093 R)
• M11: 2,516,087 km (0.119 R)
• M12: 2,789,851 km (0.107 R)
• M13: 3,201,394 km (0.06 R)
• M14: 3,322,569 km (0.113 R)
• M15: 5,528,838 km (0.084 R)
• M16: 5,668,413 km (0.097 R)
• M17: 6,555,229 km (0.117 R)
• M18: 8,008,423 km (0.09 R)
• M19: 9,865,830 km (0.03 R)
• M20: 10,226,959 km (0.12 R)
• M21: 11,141,002 km (0.085 R)
• M22: 11,476,101 km (0.092 R)
• M23: 12,284,379 km (0.108 R)
• M24: 15,206,175 km (0.068 R)
• M25: 16,108,848 km (0.087 R)
• M26: 16,322,175 km (0.117 R)
• M27: 17,120,280 km (0.083 R)
• M28: 17,416,782 km (0.104 R)
• M29: 29,765,937 km (0.099 R)
• M30: 31,950,664 km (0.109 R)
• M31: 32,967,631 km (0.082 R)
• M32: 33,081,924 km (0.094 R)
• M33: 33,426,597 km (0.11 R)
• M34: 40,044,807 km (0.093 R)
• M35: 41,759,049 km (0.075 R)
• M36: 43,384,130 km (0.069 R)
• M37: 45,474,312 km (0.116 R)
• M38: 48,659,699 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.5

Radius: 5.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.69 AU - 9.99 AU

Year: 16711 Days

Day: 23.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 96,877,261 km

• M1: 74,201 km (0.081 R)
• M2: 391,797 km (0.085 R)
• M3: 775,067 km (0.088 R)
• M4: 1,029,981 km (0.119 R)
• M5: 1,452,745 km (0.115 R)
• M6: 3,683,698 km (0.071 R)
• M7: 4,485,094 km (0.119 R)
• M8: 5,116,995 km (0.116 R)
• M9: 5,540,956 km (0.115 R)
• M10: 8,828,369 km (0.055 R)
• M11: 9,689,604 km (0.079 R)
• M12: 11,914,872 km (0.109 R)
• M13: 20,802,631 km (0.106 R)
• M14: 26,643,231 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.4

Radius: 7.1

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 8.34 AU - 13.32 AU

Year: 22661 Days

Day: 21.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 96,877,261 km

• M1: 88,412 km (0.081 R)
• M2: 456,124 km (0.092 R)
• M3: 884,273 km (0.114 R)
• M4: 1,276,369 km (0.065 R)
• M5: 1,619,547 km (0.12 R)
• M6: 2,491,702 km (0.049 R)
• M7: 3,838,681 km (0.105 R)
• M8: 4,308,119 km (0.109 R)
• M9: 5,835,065 km (0.109 R)
• M10: 7,162,746 km (0.085 R)
• M11: 10,401,241 km (0.118 R)
• M12: 10,793,636 km (0.063 R)
• M13: 13,489,390 km (0.088 R)
• M14: 15,857,374 km (0.03 R)
• M15: 16,153,129 km (0.067 R)
• M16: 19,908,335 km (0.099 R)
• M17: 22,216,929 km (0.099 R)
• M18: 24,599,575 km (0.098 R)
• M19: 33,361,073 km (0.087 R)
• M20: 35,332,324 km (0.096 R)
• M21: 36,990,168 km (0.116 R)
• M22: 40,873,878 km (0.117 R)
• M23: 42,273,665 km (0.11 R)
• M24: 44,873,527 km (0.1 R)
• M25: 45,316,935 km (0.065 R)
• M26: 45,763,185 km (0.096 R)
• M27: 46,664,662 km (0.104 R)
• M28: 48,039,018 km (0.109 R)
• M29: 49,283,074 km (0.044 R)
• M30: 55,147,909 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.4

Radius: 4.2

Gravity: 56.15 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.73 AU - 12.71 AU

Year: 23896 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 164.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 96,877,261 km

• M1: 76,445 km (0.118 R)
• M2: 580,141 km (0.115 R)
• M3: 716,424 km (0.063 R)
• M4: 1,424,471 km (0.057 R)
• M5: 2,043,956 km (0.102 R)
• M6: 2,200,585 km (0.113 R)
• M7: 3,254,801 km (0.098 R)
• M8: 3,659,912 km (0.108 R)
• M9: 4,996,569 km (0.059 R)
• M10: 6,110,624 km (0.103 R)
• M11: 6,922,791 km (0.116 R)
• M12: 7,225,876 km (0.11 R)
• M13: 7,643,554 km (0.1 R)
• M14: 7,858,376 km (0.099 R)
• M15: 10,233,841 km (0.092 R)
• M16: 12,301,134 km (0.095 R)
• M17: 14,713,399 km (0.097 R)
• M18: 16,965,296 km (0.029 R)
• M19: 29,830,414 km (0.088 R)
• M20: 30,229,242 km (0.11 R)
• M21: 32,276,788 km (0.104 R)
• M22: 32,697,158 km (0.107 R)
• M23: 35,742,073 km (0.117 R)
• M24: 36,645,644 km (0.116 R)
• M25: 47,609,672 km (0.098 R)
• M26: 49,441,049 km (0.076 R)
• M27: 50,186,495 km (0.116 R)
• M28: 52,275,181 km (0.106 R)
• M29: 54,421,013 km (0.109 R)
• M30: 55,016,263 km (0.107 R)
• M31: 72,536,716 km (0.097 R)
• M32: 79,451,280 km (0.103 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: 263 - 15,928 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit