🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.89 AU - 0.97 AU

Year: 343 Days

Day: 16.8 Hours

Environment

Temp: 25 °C

Axial Tilt: 32 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.95 AU - 1.29 AU

Year: 454 Days

Day: 30.5 Hours

Environment

Temp: -7 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 66,385,891 km

• M1: 199,863 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.25 AU - 1.97 AU

Year: 782 Days

Day: 20 Hours

Environment

Temp: -61 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,385,891 km

• M1: 304,282 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.07 AU - 2.13 AU

Year: 1165 Days

Day: 27.9 Hours

Environment

Temp: -85 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 8.4

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.5 AU - 6.42 AU

Year: 4885 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,385,891 km

• M1: 104,419 km (0.11 R)
• M2: 621,729 km (0.117 R)
• M3: 933,341 km (0.088 R)
• M4: 1,274,125 km (0.074 R)
• M5: 1,663,528 km (0.025 R)
• M6: 2,104,393 km (0.119 R)
• M7: 2,484,521 km (0.11 R)
• M8: 2,795,386 km (0.106 R)
• M9: 3,476,804 km (0.072 R)
• M10: 3,746,978 km (0.082 R)
• M11: 5,969,853 km (0.033 R)
• M12: 7,218,845 km (0.105 R)
• M13: 7,628,594 km (0.117 R)
• M14: 9,461,766 km (0.055 R)
• M15: 10,660,793 km (0.112 R)
• M16: 12,132,687 km (0.051 R)
• M17: 13,078,295 km (0.025 R)
• M18: 13,927,263 km (0.114 R)
• M19: 14,513,387 km (0.089 R)
• M20: 15,526,464 km (0.052 R)
• M21: 16,532,061 km (0.044 R)
• M22: 17,467,795 km (0.04 R)
• M23: 18,789,642 km (0.12 R)
• M24: 19,565,606 km (0.076 R)
• M25: 21,054,105 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.2

Radius: 8.9

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.4 AU - 8.2 AU

Year: 7552 Days

Day: 5.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,385,891 km

• M1: 112,348 km (0.102 R)
• M2: 1,341,444 km (0.119 R)
• M3: 2,116,660 km (0.066 R)
• M4: 3,483,536 km (0.114 R)
• M5: 4,470,583 km (0.102 R)
• M6: 5,664,075 km (0.113 R)
• M7: 6,301,810 km (0.11 R)
• M8: 10,933,211 km (0.087 R)
• M9: 11,469,370 km (0.051 R)
• M10: 11,769,164 km (0.069 R)
• M11: 12,074,194 km (0.104 R)
• M12: 13,238,065 km (0.071 R)
• M13: 13,790,979 km (0.061 R)
• M14: 28,438,256 km (0.099 R)
• M15: 34,365,623 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.9

Radius: 14.6

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.44 AU - 8.6 AU

Year: 7896 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,385,891 km

• M1: 182,659 km (0.095 R)
• M2: 1,800,410 km (0.099 R)
• M3: 3,097,873 km (0.116 R)
• M4: 3,742,939 km (0.118 R)
• M5: 4,291,215 km (0.101 R)
• M6: 6,683,883 km (0.112 R)
• M7: 7,155,865 km (0.098 R)
• M8: 7,650,286 km (0.115 R)
• M9: 8,750,578 km (0.082 R)
• M10: 17,747,095 km (0.091 R)
• M11: 21,338,341 km (0.032 R)
• M12: 23,345,645 km (0.108 R)
• M13: 27,271,393 km (0.068 R)
• M14: 28,862,665 km (0.091 R)
• M15: 36,740,489 km (0.046 R)
• M16: 38,217,768 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.8

Radius: 4.1

Gravity: 18.61 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 11.46 AU - 15.28 AU

Year: 18718 Days

Day: 21.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 66,385,891 km

• M1: 54,304 km (0.056 R)
• M2: 316,549 km (0.118 R)
• M3: 768,634 km (0.089 R)
• M4: 947,403 km (0.092 R)
• M5: 1,129,165 km (0.096 R)
• M6: 1,920,986 km (0.101 R)
• M7: 2,514,740 km (0.071 R)
• M8: 4,320,387 km (0.069 R)
• M9: 4,535,359 km (0.074 R)
• M10: 6,323,203 km (0.117 R)
• M11: 8,248,976 km (0.104 R)
• M12: 8,870,705 km (0.069 R)
• M13: 9,730,145 km (0.06 R)
• M14: 10,099,801 km (0.1 R)
• M15: 10,369,376 km (0.116 R)
• M16: 10,533,485 km (0.113 R)
• M17: 11,322,165 km (0.094 R)
• M18: 12,889,951 km (0.088 R)
• M19: 13,857,251 km (0.04 R)
• M20: 14,257,425 km (0.1 R)
• M21: 15,433,115 km (0.074 R)
• M22: 15,718,847 km (0.068 R)
• M23: 16,897,079 km (0.116 R)
• M24: 20,267,968 km (0.106 R)
• M25: 23,492,102 km (0.063 R)
• M26: 24,638,620 km (0.117 R)
• M27: 26,427,212 km (0.068 R)
• M28: 28,944,346 km (0.087 R)
• M29: 30,708,404 km (0.083 R)
• M30: 34,085,875 km (0.103 R)
• M31: 36,051,441 km (0.096 R)
• M32: 39,139,141 km (0.081 R)
• M33: 42,120,328 km (0.119 R)
• M34: 45,103,908 km (0.099 R)
• M35: 45,395,324 km (0.07 R)
• M36: 45,981,598 km (0.08 R)
• M37: 47,469,499 km (0.12 R)
• M38: 48,073,575 km (0.034 R)
• M39: 48,835,776 km (0.091 R)
• M40: 54,069,906 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.5

Radius: 5.2

Gravity: 35.89 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 11.28 AU - 15.94 AU

Year: 19225 Days

Day: 19.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 66,385,891 km

• M1: 65,374 km (0.109 R)
• M2: 802,293 km (0.106 R)
• M3: 1,287,738 km (0.08 R)
• M4: 1,647,821 km (0.083 R)
• M5: 1,910,066 km (0.118 R)
• M6: 2,093,173 km (0.063 R)
• M7: 3,785,574 km (0.09 R)
• M8: 4,592,505 km (0.112 R)
• M9: 5,190,448 km (0.115 R)
• M10: 5,630,714 km (0.096 R)
• M11: 6,494,492 km (0.088 R)
• M12: 7,149,432 km (0.077 R)
• M13: 7,344,507 km (0.102 R)
• M14: 7,543,024 km (0.053 R)
• M15: 8,266,180 km (0.091 R)
• M16: 9,262,651 km (0.096 R)
• M17: 9,670,904 km (0.074 R)
• M18: 10,030,388 km (0.059 R)
• M19: 11,759,141 km (0.114 R)
• M20: 12,376,830 km (0.053 R)
• M21: 13,977,827 km (0.119 R)
• M22: 14,985,967 km (0.1 R)
• M23: 18,119,444 km (0.096 R)
• M24: 18,757,628 km (0.078 R)
• M25: 28,592,043 km (0.063 R)
• M26: 29,958,170 km (0.088 R)
• M27: 34,872,161 km (0.111 R)
• M28: 36,143,893 km (0.064 R)
• M29: 36,574,435 km (0.065 R)
• M30: 37,299,835 km (0.102 R)
• M31: 43,938,241 km (0.09 R)
• M32: 46,596,595 km (0.104 R)
• M33: 47,106,574 km (0.091 R)
• M34: 52,781,420 km (0.092 R)
• M35: 53,335,680 km (0.061 R)
• M36: 56,742,921 km (0.084 R)
• M37: 59,491,333 km (0.087 R)
• M38: 64,617,454 km (0.088 R)
• M39: 64,828,387 km (0.11 R)
• M40: 65,251,749 km (0.105 R)
• M41: 67,612,852 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.3

Radius: 6.4

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 10.68 AU - 16.94 AU

Year: 19650 Days

Day: 17.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 66,385,891 km

• M1: 79,736 km (0.12 R)
• M2: 290,220 km (0.088 R)
• M3: 804,986 km (0.069 R)
• M4: 1,031,029 km (0.112 R)
• M5: 1,272,031 km (0.076 R)
• M6: 2,016,878 km (0.074 R)
• M7: 2,313,980 km (0.059 R)
• M8: 3,410,981 km (0.055 R)
• M9: 4,419,420 km (0.119 R)
• M10: 7,550,953 km (0.072 R)
• M11: 11,786,517 km (0.069 R)
• M12: 12,553,954 km (0.085 R)
• M13: 13,976,331 km (0.059 R)
• M14: 22,051,773 km (0.101 R)
• M15: 23,811,343 km (0.05 R)
• M16: 25,242,995 km (0.094 R)
• M17: 35,710,508 km (0.091 R)
• M18: 39,520,167 km (0.096 R)
• M19: 40,513,198 km (0.102 R)
• M20: 42,107,163 km (0.07 R)
• M21: 44,044,306 km (0.101 R)
• M22: 44,804,861 km (0.11 R)
• M23: 48,578,169 km (0.04 R)
• M24: 48,901,898 km (0.112 R)
• M25: 51,040,998 km (0.075 R)
• M26: 56,929,021 km (0.07 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 15,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit