🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.57 AU - 0.69 AU

Year: 328 Days

Day: 20 Hours

Environment

Temp: -138 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 89,764,556 km

• M1: 92,152 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.5

Radius: 13.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.06 AU - 1.12 AU

Year: 747 Days

Day: 5.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,764,556 km

• M1: 170,542 km (0.106 R)
• M2: 636,838 km (0.09 R)
• M3: 1,332,767 km (0.096 R)
• M4: 1,895,555 km (0.098 R)
• M5: 2,378,157 km (0.077 R)
• M6: 3,062,568 km (0.087 R)
• M7: 3,836,886 km (0.109 R)
• M8: 4,888,858 km (0.095 R)
• M9: 5,879,496 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.8

Radius: 12.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.57 AU - 2.01 AU

Year: 1571 Days

Day: 7.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,764,556 km

• M1: 157,975 km (0.092 R)
• M2: 633,996 km (0.078 R)
• M3: 1,079,648 km (0.098 R)
• M4: 1,854,565 km (0.076 R)
• M5: 2,431,414 km (0.111 R)
• M6: 2,880,657 km (0.073 R)
• M7: 3,297,436 km (0.027 R)
• M8: 4,254,414 km (0.033 R)
• M9: 6,227,610 km (0.067 R)
• M10: 7,004,023 km (0.108 R)
• M11: 8,636,584 km (0.115 R)
• M12: 9,302,744 km (0.055 R)
• M13: 10,127,925 km (0.077 R)
• M14: 11,001,577 km (0.103 R)
• M15: 11,439,749 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 12.4

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.21 AU - 3.35 AU

Year: 3041 Days

Day: 12.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,764,556 km

• M1: 154,235 km (0.115 R)
• M2: 675,285 km (0.067 R)
• M3: 1,566,738 km (0.051 R)
• M4: 2,454,303 km (0.073 R)
• M5: 3,042,521 km (0.116 R)
• M6: 3,496,850 km (0.027 R)
• M7: 3,959,407 km (0.111 R)
• M8: 4,584,726 km (0.107 R)
• M9: 5,230,091 km (0.071 R)
• M10: 5,622,187 km (0.048 R)
• M11: 6,285,504 km (0.105 R)
• M12: 6,702,882 km (0.042 R)
• M13: 7,363,656 km (0.078 R)
• M14: 8,067,514 km (0.095 R)
• M15: 8,529,771 km (0.051 R)
• M16: 9,273,123 km (0.043 R)
• M17: 10,059,260 km (0.113 R)
• M18: 10,963,579 km (0.089 R)
• M19: 11,803,571 km (0.074 R)
• M20: 12,522,239 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.1

Radius: 14.4

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.92 AU - 3.8 AU

Year: 4040 Days

Day: 5 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 89,764,556 km

• M1: 179,069 km (0.067 R)
• M2: 635,342 km (0.113 R)
• M3: 1,270,385 km (0.053 R)
• M4: 2,217,040 km (0.064 R)
• M5: 3,177,459 km (0.111 R)
• M6: 3,658,416 km (0.101 R)
• M7: 4,234,817 km (0.087 R)
• M8: 6,587,841 km (0.085 R)
• M9: 8,716,769 km (0.065 R)
• M10: 9,303,940 km (0.108 R)
• M11: 10,514,486 km (0.116 R)
• M12: 12,646,705 km (0.09 R)
• M13: 14,398,496 km (0.112 R)
• M14: 15,445,232 km (0.076 R)
• M15: 17,019,301 km (0.116 R)
• M16: 17,566,979 km (0.114 R)
• M17: 19,544,513 km (0.114 R)
• M18: 21,951,094 km (0.049 R)
• M19: 24,089,895 km (0.103 R)
• M20: 27,930,222 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.9

Radius: 8

Gravity: 15.26 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.21 AU - 5.33 AU

Year: 7936 Days

Day: 9.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 89,764,556 km

• M1: 99,782 km (0.113 R)
• M2: 421,118 km (0.041 R)
• M3: 920,027 km (0.117 R)
• M4: 1,625,979 km (0.118 R)
• M5: 2,095,118 km (0.118 R)
• M6: 2,671,968 km (0.117 R)
• M7: 3,494,307 km (0.037 R)
• M8: 4,418,074 km (0.097 R)
• M9: 4,829,917 km (0.091 R)
• M10: 5,696,837 km (0.095 R)
• M11: 6,293,582 km (0.105 R)
• M12: 8,964,802 km (0.098 R)
• M13: 10,729,907 km (0.119 R)
• M14: 11,971,869 km (0.116 R)
• M15: 15,861,114 km (0.111 R)
• M16: 16,133,233 km (0.09 R)
• M17: 17,540,949 km (0.098 R)
• M18: 18,876,409 km (0.114 R)
• M19: 19,960,844 km (0.114 R)
• M20: 24,084,360 km (0.107 R)
• M21: 28,944,196 km (0.114 R)
• M22: 30,175,835 km (0.064 R)
• M23: 33,854,896 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.8

Radius: 9.6

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.63 AU - 6.59 AU

Year: 8717 Days

Day: 9 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,764,556 km

• M1: 119,977 km (0.062 R)
• M2: 453,132 km (0.081 R)
• M3: 787,334 km (0.109 R)
• M4: 1,452,745 km (0.082 R)
• M5: 2,401,345 km (0.12 R)
• M6: 3,522,282 km (0.116 R)
• M7: 4,692,287 km (0.103 R)
• M8: 5,083,186 km (0.063 R)
• M9: 5,760,715 km (0.061 R)
• M10: 6,209,508 km (0.116 R)
• M11: 8,768,230 km (0.101 R)
• M12: 9,316,207 km (0.12 R)
• M13: 10,581,955 km (0.05 R)
• M14: 13,631,358 km (0.11 R)
• M15: 18,970,057 km (0.084 R)
• M16: 25,465,298 km (0.12 R)
• M17: 32,975,709 km (0.097 R)
• M18: 39,706,416 km (0.1 R)
• M19: 40,826,755 km (0.117 R)
• M20: 41,712,524 km (0.057 R)
• M21: 42,740,560 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.9

Radius: 6

Gravity: 23.89 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 9.87 AU - 10.11 AU

Year: 20714 Days

Day: 24.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,764,556 km

• M1: 74,649 km (0.074 R)
• M2: 309,967 km (0.083 R)
• M3: 556,055 km (0.078 R)
• M4: 1,043,595 km (0.083 R)
• M5: 2,164,681 km (0.108 R)
• M6: 2,799,724 km (0.067 R)
• M7: 3,374,030 km (0.118 R)
• M8: 3,798,589 km (0.029 R)
• M9: 4,258,154 km (0.092 R)
• M10: 5,569,080 km (0.078 R)
• M11: 6,428,370 km (0.067 R)
• M12: 7,128,488 km (0.078 R)
• M13: 8,679,519 km (0.092 R)
• M14: 10,821,910 km (0.111 R)
• M15: 12,083,768 km (0.031 R)
• M16: 12,857,488 km (0.05 R)
• M17: 13,219,964 km (0.113 R)
• M18: 14,659,694 km (0.105 R)
• M19: 17,140,774 km (0.118 R)
• M20: 18,480,573 km (0.112 R)
• M21: 23,449,317 km (0.092 R)
• M22: 23,990,263 km (0.087 R)
• M23: 26,586,833 km (0.048 R)
• M24: 31,932,862 km (0.119 R)
• M25: 34,092,008 km (0.1 R)
• M26: 36,202,834 km (0.089 R)
• M27: 45,518,743 km (0.071 R)
• M28: 56,312,528 km (0.085 R)
• M29: 60,864,941 km (0.076 R)
• M30: 61,271,997 km (0.073 R)
• M31: 61,476,198 km (0.106 R)
• M32: 62,504,085 km (0.118 R)
• M33: 64,383,184 km (0.1 R)
• M34: 70,918,217 km (0.099 R)
• M35: 73,191,057 km (0.116 R)
• M36: 73,882,349 km (0.112 R)
• M37: 82,768,762 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.2

Radius: 5.3

Gravity: 29.06 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 9.1 AU - 12.62 AU

Year: 23478 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 89,764,556 km

• M1: 65,973 km (0.053 R)
• M2: 301,589 km (0.048 R)
• M3: 506,538 km (0.115 R)
• M4: 1,021,005 km (0.05 R)
• M5: 1,368,970 km (0.094 R)
• M6: 1,716,336 km (0.103 R)
• M7: 1,890,917 km (0.095 R)
• M8: 2,463,578 km (0.059 R)
• M9: 2,661,346 km (0.093 R)
• M10: 2,950,369 km (0.09 R)
• M11: 3,498,945 km (0.097 R)
• M12: 3,781,385 km (0.084 R)
• M13: 4,045,126 km (0.1 R)
• M14: 4,910,550 km (0.078 R)
• M15: 5,936,791 km (0.077 R)
• M16: 6,384,688 km (0.116 R)
• M17: 7,000,432 km (0.117 R)
• M18: 8,023,682 km (0.119 R)
• M19: 9,201,466 km (0.074 R)
• M20: 12,824,277 km (0.094 R)
• M21: 14,268,795 km (0.114 R)
• M22: 17,657,934 km (0.085 R)
• M23: 19,151,669 km (0.109 R)
• M24: 21,755,420 km (0.047 R)
• M25: 22,816,667 km (0.085 R)
• M26: 23,912,023 km (0.106 R)
• M27: 24,359,919 km (0.044 R)
• M28: 29,532,714 km (0.116 R)
• M29: 31,496,485 km (0.116 R)
• M30: 36,266,862 km (0.114 R)
• M31: 41,496,804 km (0.116 R)
• M32: 41,981,052 km (0.059 R)
• M33: 43,125,625 km (0.062 R)
• M34: 44,290,843 km (0.044 R)
• M35: 47,559,108 km (0.086 R)
• M36: 57,318,574 km (0.119 R)
• M37: 64,588,282 km (0.066 R)
• M38: 64,804,451 km (0.089 R)
• M39: 69,685,680 km (0.099 R)
• M40: 74,093,581 km (0.118 R)
• M41: 77,214,343 km (0.092 R)
• M42: 85,788,395 km (0.095 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 11,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit