🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.42 AU - 0.66 AU

Year: 260 Days

Day: 37.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 10.3

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.67 AU - 0.89 AU

Year: 452 Days

Day: 9.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 87,933,715 km

• M1: 128,205 km (0.074 R)
• M2: 537,056 km (0.088 R)
• M3: 873,203 km (0.032 R)
• M4: 1,429,108 km (0.105 R)
• M5: 1,788,742 km (0.111 R)
• M6: 2,163,484 km (0.116 R)
• M7: 2,770,553 km (0.08 R)
• M8: 3,132,430 km (0.075 R)
• M9: 3,856,334 km (0.079 R)
• M10: 4,250,973 km (0.104 R)
• M11: 4,958,122 km (0.119 R)
• M12: 5,940,980 km (0.064 R)
• M13: 6,605,943 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.4

Radius: 9.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.66 AU - 1.04 AU

Year: 514 Days

Day: 7.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 94.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,933,715 km

• M1: 122,670 km (0.105 R)
• M2: 430,543 km (0.069 R)
• M3: 861,385 km (0.027 R)
• M4: 1,225,057 km (0.079 R)
• M5: 1,698,385 km (0.096 R)
• M6: 2,038,720 km (0.063 R)
• M7: 2,416,305 km (0.098 R)
• M8: 2,936,905 km (0.11 R)
• M9: 3,700,004 km (0.071 R)
• M10: 4,165,702 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204

Radius: 11.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.8 AU - 0.9 AU

Year: 514 Days

Day: 10 Hours

Environment

Temp: -157 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,933,715 km

• M1: 146,756 km (0.079 R)
• M2: 521,199 km (0.084 R)
• M3: 951,742 km (0.076 R)
• M4: 1,382,434 km (0.079 R)
• M5: 1,818,213 km (0.061 R)
• M6: 2,463,129 km (0.089 R)
• M7: 3,042,821 km (0.12 R)
• M8: 3,511,361 km (0.059 R)
• M9: 3,897,025 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.3

Radius: 10.1

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.39 AU - 1.71 AU

Year: 1266 Days

Day: 5.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 87,933,715 km

• M1: 125,812 km (0.082 R)
• M2: 482,154 km (0.097 R)
• M3: 1,024,147 km (0.096 R)
• M4: 1,401,882 km (0.047 R)
• M5: 1,893,460 km (0.104 R)
• M6: 2,879,609 km (0.1 R)
• M7: 3,582,570 km (0.077 R)
• M8: 4,231,376 km (0.076 R)
• M9: 5,140,033 km (0.099 R)
• M10: 5,965,664 km (0.079 R)
• M11: 6,291,338 km (0.112 R)
• M12: 6,777,382 km (0.09 R)
• M13: 7,106,497 km (0.09 R)
• M14: 8,386,905 km (0.1 R)
• M15: 8,766,734 km (0.045 R)
• M16: 9,435,886 km (0.087 R)
• M17: 9,911,308 km (0.118 R)
• M18: 10,502,818 km (0.058 R)
• M19: 11,083,108 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.2

Radius: 11

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.47 AU - 2.13 AU

Year: 1584 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,933,715 km

• M1: 136,882 km (0.067 R)
• M2: 630,555 km (0.092 R)
• M3: 982,708 km (0.116 R)
• M4: 1,696,141 km (0.054 R)
• M5: 2,445,925 km (0.031 R)
• M6: 3,186,135 km (0.098 R)
• M7: 3,742,490 km (0.099 R)
• M8: 4,362,573 km (0.074 R)
• M9: 5,765,652 km (0.118 R)
• M10: 6,735,794 km (0.057 R)
• M11: 7,398,512 km (0.108 R)
• M12: 7,864,061 km (0.116 R)
• M13: 8,683,408 km (0.111 R)
• M14: 9,863,436 km (0.049 R)
• M15: 10,364,290 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.4

Radius: 10.6

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.1 AU - 2.52 AU

Year: 2303 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 87,933,715 km

• M1: 131,796 km (0.111 R)
• M2: 526,884 km (0.076 R)
• M3: 966,851 km (0.03 R)
• M4: 1,842,896 km (0.096 R)
• M5: 2,335,073 km (0.033 R)
• M6: 2,743,027 km (0.053 R)
• M7: 3,276,792 km (0.102 R)
• M8: 3,704,342 km (0.114 R)
• M9: 4,532,815 km (0.095 R)
• M10: 4,980,712 km (0.072 R)
• M11: 5,800,807 km (0.108 R)
• M12: 6,255,734 km (0.097 R)
• M13: 7,022,573 km (0.064 R)
• M14: 7,595,682 km (0.086 R)
• M15: 7,937,065 km (0.088 R)
• M16: 8,498,655 km (0.1 R)
• M17: 9,602,388 km (0.04 R)
• M18: 11,268,160 km (0.115 R)
• M19: 12,598,534 km (0.056 R)
• M20: 13,404,268 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.1

Radius: 15

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.21 AU - 2.63 AU

Year: 2470 Days

Day: 9.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,933,715 km

• M1: 186,549 km (0.092 R)
• M2: 669,002 km (0.098 R)
• M3: 1,456,036 km (0.049 R)
• M4: 2,081,505 km (0.116 R)
• M5: 2,625,293 km (0.11 R)
• M6: 3,734,112 km (0.068 R)
• M7: 4,270,271 km (0.094 R)
• M8: 4,880,780 km (0.118 R)
• M9: 5,624,581 km (0.094 R)
• M10: 8,890,601 km (0.093 R)
• M11: 10,304,451 km (0.112 R)
• M12: 10,886,536 km (0.087 R)
• M13: 12,590,606 km (0.079 R)
• M14: 15,597,224 km (0.104 R)
• M15: 16,107,053 km (0.057 R)
• M16: 17,813,217 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.3

Radius: 4

Gravity: 48.89 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 9.43 AU - 12.15 AU

Year: 23251 Days

Day: 23.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 87,933,715 km

• M1: 54,603 km (0.037 R)
• M2: 323,281 km (0.113 R)
• M3: 763,398 km (0.102 R)
• M4: 2,328,940 km (0.098 R)
• M5: 2,518,779 km (0.066 R)
• M6: 2,875,869 km (0.115 R)
• M7: 3,443,294 km (0.117 R)
• M8: 3,850,200 km (0.064 R)
• M9: 4,429,593 km (0.091 R)
• M10: 6,701,386 km (0.09 R)
• M11: 7,690,228 km (0.083 R)
• M12: 10,263,162 km (0.067 R)
• M13: 12,335,840 km (0.073 R)
• M14: 12,986,142 km (0.058 R)
• M15: 13,357,145 km (0.106 R)
• M16: 15,401,101 km (0.06 R)
• M17: 16,411,036 km (0.059 R)
• M18: 18,007,694 km (0.11 R)
• M19: 21,096,441 km (0.113 R)
• M20: 27,078,112 km (0.114 R)
• M21: 31,770,997 km (0.118 R)
• M22: 33,540,441 km (0.118 R)
• M23: 36,097,368 km (0.045 R)
• M24: 39,859,904 km (0.1 R)
• M25: 40,800,276 km (0.098 R)
• M26: 46,409,747 km (0.033 R)
• M27: 48,683,635 km (0.102 R)
• M28: 49,938,312 km (0.111 R)
• M29: 51,953,097 km (0.11 R)
• M30: 53,452,067 km (0.046 R)
• M31: 60,554,824 km (0.094 R)
• M32: 61,588,546 km (0.064 R)
• M33: 66,495,057 km (0.118 R)
• M34: 67,374,243 km (0.056 R)
• M35: 67,595,199 km (0.089 R)
• M36: 68,038,608 km (0.052 R)
• M37: 79,517,103 km (0.104 R)
• M38: 83,527,373 km (0.119 R)
• M39: 83,782,437 km (0.073 R)
• M40: 87,933,778 km (0.095 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: 500 - 11,819 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit