🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.47 AU - 0.69 AU

Year: 281 Days

Day: 43.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 60,196,137 km

• M1: 24,085 km (0.072 R)
• M2: 36,053 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592

Radius: 8.6

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.69 AU - 1.07 AU

Year: 525 Days

Day: 11.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 74.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,196,137 km

• M1: 107,112 km (0.082 R)
• M2: 386,112 km (0.054 R)
• M3: 927,208 km (0.117 R)
• M4: 1,303,446 km (0.089 R)
• M5: 1,578,108 km (0.097 R)
• M6: 1,941,182 km (0.105 R)
• M7: 2,465,822 km (0.091 R)
• M8: 2,957,849 km (0.103 R)
• M9: 3,526,471 km (0.119 R)
• M10: 4,013,112 km (0.1 R)
• M11: 4,454,576 km (0.091 R)
• M12: 5,023,646 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.8

Radius: 9.3

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.41 AU - 2.07 AU

Year: 1459 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,196,137 km

• M1: 115,789 km (0.08 R)
• M2: 442,062 km (0.097 R)
• M3: 891,454 km (0.078 R)
• M4: 1,255,126 km (0.069 R)
• M5: 1,926,821 km (0.047 R)
• M6: 2,584,453 km (0.1 R)
• M7: 3,218,598 km (0.115 R)
• M8: 3,751,167 km (0.078 R)
• M9: 4,108,855 km (0.106 R)
• M10: 4,414,932 km (0.09 R)
• M11: 4,716,970 km (0.108 R)
• M12: 5,114,003 km (0.111 R)
• M13: 5,511,784 km (0.029 R)
• M14: 7,056,382 km (0.059 R)
• M15: 8,066,766 km (0.065 R)
• M16: 8,870,855 km (0.093 R)
• M17: 9,539,407 km (0.089 R)
• M18: 10,840,460 km (0.119 R)
• M19: 12,366,957 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.4

Radius: 12.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.66 AU - 1.94 AU

Year: 1535 Days

Day: 6.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,196,137 km

• M1: 153,039 km (0.102 R)
• M2: 582,833 km (0.107 R)
• M3: 1,985,164 km (0.082 R)
• M4: 2,959,046 km (0.099 R)
• M5: 3,827,462 km (0.094 R)
• M6: 5,280,057 km (0.11 R)
• M7: 6,634,217 km (0.045 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.8

Radius: 9.2

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.21 AU - 3.07 AU

Year: 2727 Days

Day: 10.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,196,137 km

• M1: 115,789 km (0.077 R)
• M2: 412,142 km (0.075 R)
• M3: 721,959 km (0.045 R)
• M4: 1,009,337 km (0.116 R)
• M5: 1,319,304 km (0.111 R)
• M6: 1,772,286 km (0.084 R)
• M7: 2,125,636 km (0.082 R)
• M8: 2,540,471 km (0.093 R)
• M9: 3,957,013 km (0.054 R)
• M10: 4,654,738 km (0.088 R)
• M11: 5,116,098 km (0.037 R)
• M12: 5,457,031 km (0.09 R)
• M13: 6,543,710 km (0.067 R)
• M14: 7,303,966 km (0.096 R)
• M15: 8,352,199 km (0.092 R)
• M16: 8,964,652 km (0.111 R)
• M17: 12,226,036 km (0.072 R)
• M18: 13,792,325 km (0.078 R)
• M19: 14,842,802 km (0.115 R)
• M20: 15,387,637 km (0.057 R)
• M21: 16,360,023 km (0.102 R)
• M22: 17,156,333 km (0.092 R)
• M23: 18,257,822 km (0.105 R)
• M24: 19,997,495 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 14.5

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.73 AU - 3.03 AU

Year: 3108 Days

Day: 5.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,196,137 km

• M1: 180,265 km (0.039 R)
• M2: 982,409 km (0.118 R)
• M3: 1,519,166 km (0.05 R)
• M4: 2,053,081 km (0.068 R)
• M5: 2,787,756 km (0.079 R)
• M6: 4,633,794 km (0.115 R)
• M7: 6,192,005 km (0.114 R)
• M8: 6,679,994 km (0.111 R)
• M9: 7,857,329 km (0.109 R)
• M10: 9,065,781 km (0.113 R)
• M11: 10,736,789 km (0.082 R)
• M12: 11,524,272 km (0.047 R)
• M13: 13,303,589 km (0.082 R)
• M14: 16,053,198 km (0.037 R)
• M15: 18,599,653 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.3

Radius: 13.5

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.07 AU - 5.99 AU

Year: 7173 Days

Day: 5.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,196,137 km

• M1: 169,794 km (0.085 R)
• M2: 762,052 km (0.109 R)
• M3: 1,457,532 km (0.089 R)
• M4: 2,961,739 km (0.036 R)
• M5: 3,413,375 km (0.116 R)
• M6: 4,072,503 km (0.036 R)
• M7: 5,164,268 km (0.09 R)
• M8: 5,853,765 km (0.031 R)
• M9: 6,702,134 km (0.059 R)
• M10: 7,208,074 km (0.094 R)
• M11: 7,703,243 km (0.061 R)
• M12: 9,041,396 km (0.109 R)
• M13: 10,574,026 km (0.115 R)
• M14: 11,121,555 km (0.107 R)
• M15: 12,473,171 km (0.066 R)
• M16: 16,029,861 km (0.109 R)
• M17: 16,692,430 km (0.119 R)
• M18: 17,435,931 km (0.042 R)
• M19: 17,879,638 km (0.095 R)
• M20: 18,461,424 km (0.076 R)
• M21: 18,989,056 km (0.119 R)
• M22: 22,593,168 km (0.089 R)
• M23: 27,050,437 km (0.109 R)
• M24: 28,687,037 km (0.078 R)
• M25: 29,128,501 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.2

Radius: 13.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.19 AU - 5.45 AU

Year: 7802 Days

Day: 11.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 121.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,196,137 km

• M1: 183,108 km (0.103 R)
• M2: 594,203 km (0.118 R)
• M3: 1,738,477 km (0.064 R)
• M4: 2,880,507 km (0.056 R)
• M5: 5,572,969 km (0.11 R)
• M6: 6,135,457 km (0.103 R)
• M7: 6,919,650 km (0.087 R)
• M8: 9,309,176 km (0.053 R)
• M9: 12,646,705 km (0.115 R)
• M10: 15,081,261 km (0.099 R)
• M11: 19,557,977 km (0.104 R)
• M12: 22,880,396 km (0.045 R)
• M13: 29,619,930 km (0.104 R)
• M14: 33,439,612 km (0.112 R)
• M15: 33,979,810 km (0.116 R)
• M16: 39,827,142 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897.3

Radius: 3.7

Gravity: 65.54 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.85 AU - 8.08 AU

Year: 10440 Days

Day: 15 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,196,137 km

• M1: 89,460 km (0.074 R)
• M2: 246,836 km (0.11 R)
• M3: 567,126 km (0.055 R)
• M4: 1,242,560 km (0.094 R)
• M5: 1,430,455 km (0.093 R)
• M6: 1,966,464 km (0.049 R)
• M7: 2,146,879 km (0.037 R)
• M8: 2,562,013 km (0.112 R)
• M9: 4,927,305 km (0.093 R)
• M10: 5,680,680 km (0.078 R)
• M11: 6,160,141 km (0.035 R)
• M12: 7,199,398 km (0.055 R)
• M13: 8,211,427 km (0.111 R)
• M14: 11,520,233 km (0.111 R)
• M15: 15,549,651 km (0.117 R)
• M16: 22,796,172 km (0.07 R)
• M17: 33,280,440 km (0.102 R)
• M18: 38,319,195 km (0.106 R)
• M19: 42,174,781 km (0.096 R)
• M20: 42,587,821 km (0.105 R)
• M21: 49,415,468 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.8

Radius: 3.1

Gravity: 96.75 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.98 AU - 7.26 AU

Year: 12080 Days

Day: 24.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,196,137 km

• M1: 41,289 km (0.066 R)
• M2: 1,012,778 km (0.115 R)
• M3: 1,120,488 km (0.043 R)
• M4: 1,679,087 km (0.081 R)
• M5: 1,830,779 km (0.116 R)
• M6: 2,361,552 km (0.092 R)
• M7: 3,287,712 km (0.09 R)
• M8: 3,634,630 km (0.113 R)
• M9: 3,859,775 km (0.118 R)
• M10: 4,559,444 km (0.05 R)
• M11: 5,163,071 km (0.095 R)
• M12: 6,324,250 km (0.117 R)
• M13: 7,558,283 km (0.072 R)
• M14: 8,546,078 km (0.117 R)
• M15: 8,644,363 km (0.066 R)
• M16: 8,944,008 km (0.104 R)
• M17: 9,406,415 km (0.062 R)
• M18: 10,211,999 km (0.06 R)
• M19: 11,534,893 km (0.092 R)
• M20: 12,082,272 km (0.065 R)
• M21: 12,519,696 km (0.066 R)
• M22: 18,212,793 km (0.042 R)
• M23: 20,584,368 km (0.062 R)
• M24: 21,752,129 km (0.107 R)
• M25: 24,317,134 km (0.073 R)
• M26: 24,713,568 km (0.045 R)
• M27: 25,417,576 km (0.112 R)
• M28: 25,519,153 km (0.073 R)
• M29: 28,149,532 km (0.066 R)
• M30: 29,138,972 km (0.067 R)
• M31: 32,484,729 km (0.108 R)
• M32: 33,207,586 km (0.084 R)
• M33: 34,810,228 km (0.095 R)
• M34: 43,456,386 km (0.094 R)
• M35: 46,729,887 km (0.069 R)
• M36: 47,805,047 km (0.103 R)
• M37: 53,262,078 km (0.095 R)
• M38: 54,603,821 km (0.112 R)
• M39: 56,658,398 km (0.037 R)
• M40: 57,704,686 km (0.117 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: 544 - 11,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit