🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.9

Radius: 10.1

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.48 AU - 0.56 AU

Year: 250 Days

Day: 12.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 158.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 33,470,273 km

• M1: 125,662 km (0.118 R)
• M2: 488,437 km (0.111 R)
• M3: 891,155 km (0.117 R)
• M4: 1,225,955 km (0.119 R)
• M5: 1,922,183 km (0.06 R)
• M6: 2,739,735 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.8

Radius: 14.2

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 11.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,470,273 km

• M1: 176,974 km (0.053 R)
• M2: 672,891 km (0.068 R)
• M3: 1,115,103 km (0.108 R)
• M4: 1,574,218 km (0.049 R)
• M5: 2,047,696 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.1

Radius: 9.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.95 AU - 1.23 AU

Year: 759 Days

Day: 5.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,470,273 km

• M1: 121,922 km (0.117 R)
• M2: 458,817 km (0.087 R)
• M3: 810,072 km (0.056 R)
• M4: 1,181,374 km (0.113 R)
• M5: 2,055,475 km (0.117 R)
• M6: 2,435,005 km (0.067 R)
• M7: 2,894,270 km (0.041 R)
• M8: 4,270,570 km (0.066 R)
• M9: 4,830,066 km (0.091 R)
• M10: 5,152,450 km (0.092 R)
• M11: 5,558,309 km (0.108 R)
• M12: 6,589,038 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.3

Radius: 8.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.06 AU - 1.56 AU

Year: 1000 Days

Day: 12.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,470,273 km

• M1: 108,309 km (0.111 R)
• M2: 488,736 km (0.061 R)
• M3: 926,310 km (0.115 R)
• M4: 2,258,030 km (0.094 R)
• M5: 2,741,231 km (0.058 R)
• M6: 3,055,836 km (0.074 R)
• M7: 3,433,870 km (0.049 R)
• M8: 4,000,696 km (0.094 R)
• M9: 4,391,595 km (0.084 R)
• M10: 4,693,184 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.8

Radius: 10.1

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.12 AU - 1.72 AU

Year: 1128 Days

Day: 15 Hours

Environment

Temp: -183 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,470,273 km

• M1: 125,961 km (0.076 R)
• M2: 544,387 km (0.114 R)
• M3: 1,280,857 km (0.102 R)
• M4: 1,603,839 km (0.087 R)
• M5: 2,776,836 km (0.106 R)
• M6: 3,312,994 km (0.119 R)
• M7: 3,916,921 km (0.103 R)
• M8: 4,574,404 km (0.118 R)
• M9: 5,675,594 km (0.088 R)
• M10: 7,340,169 km (0.087 R)
• M11: 7,724,187 km (0.101 R)
• M12: 8,449,587 km (0.092 R)
• M13: 10,160,837 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 14.8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.44 AU - 1.78 AU

Year: 1362 Days

Day: 7.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,470,273 km

• M1: 185,801 km (0.107 R)
• M2: 818,300 km (0.032 R)
• M3: 1,568,384 km (0.066 R)
• M4: 2,084,347 km (0.049 R)
• M5: 2,545,707 km (0.048 R)
• M6: 3,814,596 km (0.1 R)
• M7: 4,886,465 km (0.079 R)
• M8: 9,574,114 km (0.104 R)
• M9: 10,126,280 km (0.036 R)
• M10: 11,047,055 km (0.058 R)
• M11: 11,510,060 km (0.104 R)
• M12: 12,023,181 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 11.1

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.82 AU - 3.9 AU

Year: 4107 Days

Day: 11.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,470,273 km

• M1: 153,338 km (0.067 R)
• M2: 898,036 km (0.057 R)
• M3: 1,326,335 km (0.116 R)
• M4: 2,866,295 km (0.112 R)
• M5: 4,081,180 km (0.072 R)
• M6: 4,594,899 km (0.115 R)
• M7: 5,072,864 km (0.06 R)
• M8: 7,359,617 km (0.049 R)
• M9: 7,769,515 km (0.103 R)
• M10: 12,367,406 km (0.055 R)
• M11: 13,195,430 km (0.076 R)
• M12: 14,426,919 km (0.101 R)
• M13: 14,907,877 km (0.118 R)
• M14: 18,083,690 km (0.059 R)
• M15: 18,517,823 km (0.085 R)
• M16: 23,396,359 km (0.06 R)
• M17: 25,816,254 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.5

Radius: 9.1

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.82 AU - 5.16 AU

Year: 7433 Days

Day: 11.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 33,470,273 km

• M1: 113,246 km (0.076 R)
• M2: 475,123 km (0.048 R)
• M3: 807,829 km (0.079 R)
• M4: 1,264,850 km (0.107 R)
• M5: 1,614,610 km (0.083 R)
• M6: 2,093,473 km (0.09 R)
• M7: 2,588,043 km (0.114 R)
• M8: 3,008,563 km (0.109 R)
• M9: 3,616,080 km (0.058 R)
• M10: 4,038,843 km (0.103 R)
• M11: 4,634,991 km (0.096 R)
• M12: 4,984,152 km (0.049 R)
• M13: 7,039,178 km (0.101 R)
• M14: 7,740,343 km (0.091 R)
• M15: 8,487,286 km (0.056 R)
• M16: 9,281,501 km (0.108 R)
• M17: 10,318,513 km (0.094 R)
• M18: 11,641,557 km (0.082 R)
• M19: 12,733,472 km (0.119 R)
• M20: 13,420,724 km (0.111 R)
• M21: 15,057,175 km (0.072 R)
• M22: 16,153,279 km (0.092 R)
• M23: 19,988,370 km (0.071 R)
• M24: 22,526,148 km (0.058 R)
• M25: 24,217,053 km (0.104 R)
• M26: 26,172,895 km (0.12 R)
• M27: 26,539,410 km (0.074 R)
• M28: 28,040,176 km (0.11 R)
• M29: 29,894,890 km (0.04 R)
• M30: 32,143,047 km (0.103 R)
• M31: 33,308,265 km (0.051 R)
• M32: 35,722,924 km (0.109 R)
• M33: 37,318,834 km (0.038 R)
• M34: 39,080,948 km (0.111 R)
• M35: 41,144,202 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.2

Radius: 3.5

Gravity: 16.18 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.17 AU - 6.67 AU

Year: 10848 Days

Day: 24.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,470,273 km

• M1: 43,533 km (0.084 R)
• M2: 1,029,682 km (0.076 R)
• M3: 2,056,971 km (0.034 R)
• M4: 2,166,776 km (0.045 R)
• M5: 2,930,024 km (0.114 R)
• M6: 4,246,934 km (0.053 R)
• M7: 5,133,601 km (0.074 R)
• M8: 7,556,338 km (0.119 R)
• M9: 8,888,507 km (0.07 R)
• M10: 10,693,705 km (0.075 R)
• M11: 13,208,146 km (0.071 R)
• M12: 14,775,034 km (0.086 R)
• M13: 16,712,625 km (0.094 R)
• M14: 17,480,960 km (0.113 R)
• M15: 21,379,032 km (0.113 R)
• M16: 25,316,148 km (0.113 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: 278 - 11,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit