🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.56 AU - 0.7 AU

Year: 323 Days

Day: 17.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.92 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.5

Radius: 13

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.95 AU - 1.45 AU

Year: 849 Days

Day: 5.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,049,708 km

• M1: 161,865 km (0.113 R)
• M2: 567,126 km (0.108 R)
• M3: 992,881 km (0.086 R)
• M4: 1,399,338 km (0.081 R)
• M5: 1,873,713 km (0.118 R)
• M6: 2,433,658 km (0.119 R)
• M7: 2,999,437 km (0.107 R)
• M8: 4,004,735 km (0.118 R)
• M9: 5,280,655 km (0.082 R)
• M10: 6,475,194 km (0.103 R)
• M11: 7,278,834 km (0.116 R)
• M12: 8,837,345 km (0.073 R)
• M13: 9,252,479 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.5

Radius: 9.1

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.56 AU - 3.18 AU

Year: 3139 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,049,708 km

• M1: 115,190 km (0.083 R)
• M2: 445,802 km (0.115 R)
• M3: 949,498 km (0.119 R)
• M4: 1,276,818 km (0.102 R)
• M5: 1,581,399 km (0.072 R)
• M6: 1,979,928 km (0.115 R)
• M7: 3,358,472 km (0.08 R)
• M8: 3,984,988 km (0.077 R)
• M9: 5,090,217 km (0.104 R)
• M10: 5,470,046 km (0.099 R)
• M11: 6,645,736 km (0.095 R)
• M12: 6,964,379 km (0.061 R)
• M13: 7,405,095 km (0.049 R)
• M14: 8,251,220 km (0.079 R)
• M15: 8,967,046 km (0.1 R)
• M16: 9,522,353 km (0.088 R)
• M17: 10,810,092 km (0.087 R)
• M18: 11,177,205 km (0.112 R)
• M19: 14,687,220 km (0.08 R)
• M20: 15,505,071 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.4

Radius: 11.8

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.47 AU - 3.51 AU

Year: 3338 Days

Day: 13.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,049,708 km

• M1: 146,905 km (0.089 R)
• M2: 625,469 km (0.116 R)
• M3: 1,187,358 km (0.073 R)
• M4: 1,701,825 km (0.108 R)
• M5: 2,347,789 km (0.073 R)
• M6: 3,302,074 km (0.1 R)
• M7: 4,220,455 km (0.084 R)
• M8: 5,462,566 km (0.105 R)
• M9: 6,080,705 km (0.102 R)
• M10: 6,528,601 km (0.094 R)
• M11: 6,966,324 km (0.115 R)
• M12: 7,797,191 km (0.079 R)
• M13: 8,804,882 km (0.071 R)
• M14: 11,747,921 km (0.097 R)
• M15: 12,539,742 km (0.119 R)
• M16: 13,317,053 km (0.099 R)
• M17: 14,914,459 km (0.033 R)
• M18: 15,787,213 km (0.091 R)
• M19: 16,292,854 km (0.113 R)
• M20: 16,925,653 km (0.054 R)
• M21: 19,301,865 km (0.043 R)
• M22: 20,937,269 km (0.107 R)
• M23: 23,816,430 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.7

Radius: 8

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.45 AU - 3.55 AU

Year: 4228 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 33,049,708 km

• M1: 99,483 km (0.11 R)
• M2: 374,743 km (0.056 R)
• M3: 1,127,669 km (0.096 R)
• M4: 4,412,389 km (0.11 R)
• M5: 5,043,692 km (0.09 R)
• M6: 5,407,963 km (0.097 R)
• M7: 7,171,423 km (0.085 R)
• M8: 8,183,452 km (0.03 R)
• M9: 8,946,551 km (0.088 R)
• M10: 9,956,037 km (0.096 R)
• M11: 10,530,045 km (0.078 R)
• M12: 11,082,659 km (0.083 R)
• M13: 12,572,205 km (0.054 R)
• M14: 13,488,043 km (0.074 R)
• M15: 14,190,854 km (0.049 R)
• M16: 14,812,433 km (0.059 R)
• M17: 15,236,693 km (0.052 R)
• M18: 17,955,484 km (0.116 R)
• M19: 18,256,027 km (0.062 R)
• M20: 19,115,616 km (0.05 R)
• M21: 19,873,628 km (0.119 R)
• M22: 20,260,189 km (0.072 R)
• M23: 21,315,303 km (0.05 R)
• M24: 23,391,572 km (0.07 R)
• M25: 24,405,097 km (0.11 R)
• M26: 24,774,155 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 11.7

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 2.9 AU - 4.2 AU

Year: 4319 Days

Day: 13.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,049,708 km

• M1: 145,559 km (0.078 R)
• M2: 514,617 km (0.086 R)
• M3: 910,901 km (0.095 R)
• M4: 1,620,743 km (0.049 R)
• M5: 2,347,490 km (0.066 R)
• M6: 2,737,043 km (0.101 R)
• M7: 4,220,006 km (0.067 R)
• M8: 5,330,172 km (0.12 R)
• M9: 6,505,413 km (0.038 R)
• M10: 7,154,219 km (0.114 R)
• M11: 7,914,027 km (0.067 R)
• M12: 9,750,939 km (0.11 R)
• M13: 10,435,947 km (0.098 R)
• M14: 10,981,082 km (0.119 R)
• M15: 11,589,347 km (0.04 R)
• M16: 12,543,781 km (0.106 R)
• M17: 13,257,064 km (0.091 R)
• M18: 14,454,445 km (0.097 R)
• M19: 15,613,979 km (0.1 R)
• M20: 16,272,209 km (0.086 R)
• M21: 17,063,283 km (0.055 R)
• M22: 18,478,927 km (0.032 R)
• M23: 19,029,597 km (0.109 R)
• M24: 20,944,151 km (0.115 R)
• M25: 21,610,011 km (0.109 R)
• M26: 22,984,217 km (0.101 R)
• M27: 23,621,205 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.1

Radius: 12.2

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.03 AU - 4.93 AU

Year: 5127 Days

Day: 9.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,049,708 km

• M1: 151,692 km (0.1 R)
• M2: 605,123 km (0.089 R)
• M3: 1,459,028 km (0.077 R)
• M4: 2,651,473 km (0.071 R)
• M5: 3,212,465 km (0.114 R)
• M6: 3,907,048 km (0.098 R)
• M7: 4,491,826 km (0.071 R)
• M8: 5,619,943 km (0.077 R)
• M9: 6,212,351 km (0.065 R)
• M10: 6,846,197 km (0.096 R)
• M11: 9,075,205 km (0.084 R)
• M12: 9,545,990 km (0.098 R)
• M13: 15,571,642 km (0.105 R)
• M14: 16,003,831 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.7

Radius: 5.2

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.64 AU - 7.78 AU

Year: 12500 Days

Day: 17.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 104.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 33,049,708 km

• M1: 94,845 km (0.096 R)
• M2: 305,479 km (0.106 R)
• M3: 567,724 km (0.097 R)
• M4: 1,395,748 km (0.099 R)
• M5: 1,590,824 km (0.025 R)
• M6: 3,993,066 km (0.105 R)
• M7: 4,596,395 km (0.09 R)
• M8: 5,258,664 km (0.037 R)
• M9: 5,463,314 km (0.099 R)
• M10: 6,434,055 km (0.047 R)
• M11: 8,915,734 km (0.118 R)
• M12: 9,590,869 km (0.102 R)
• M13: 9,896,797 km (0.09 R)
• M14: 10,713,152 km (0.104 R)
• M15: 11,870,441 km (0.12 R)
• M16: 12,582,677 km (0.088 R)
• M17: 13,322,887 km (0.114 R)
• M18: 13,758,815 km (0.104 R)
• M19: 15,959,849 km (0.101 R)
• M20: 16,638,275 km (0.096 R)
• M21: 17,659,281 km (0.096 R)
• M22: 18,118,845 km (0.116 R)
• M23: 20,321,674 km (0.11 R)
• M24: 22,237,873 km (0.091 R)
• M25: 23,083,699 km (0.087 R)
• M26: 30,920,234 km (0.086 R)
• M27: 31,300,362 km (0.044 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 17,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit