🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.43 AU - 0.61 AU

Year: 242 Days

Day: 39.3 Hours

Environment

Temp: -115 °C

Axial Tilt: 43.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.5

Radius: 8.4

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.64 AU - 0.82 AU

Year: 403 Days

Day: 13.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,940,807 km

• M1: 104,419 km (0.087 R)
• M2: 382,223 km (0.109 R)
• M3: 739,313 km (0.11 R)
• M4: 1,088,175 km (0.117 R)
• M5: 1,552,527 km (0.049 R)
• M6: 1,892,862 km (0.119 R)
• M7: 2,464,176 km (0.092 R)
• M8: 2,765,317 km (0.087 R)
• M9: 3,314,490 km (0.114 R)
• M10: 4,038,694 km (0.071 R)
• M11: 4,601,182 km (0.109 R)

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.7

Radius: 11.9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.12 AU - 1.36 AU

Year: 892 Days

Day: 6.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,940,807 km

• M1: 148,401 km (0.107 R)
• M2: 521,049 km (0.047 R)
• M3: 1,523,056 km (0.118 R)
• M4: 2,057,120 km (0.063 R)
• M5: 2,458,192 km (0.117 R)
• M6: 3,146,193 km (0.051 R)
• M7: 4,069,361 km (0.096 R)
• M8: 4,851,609 km (0.046 R)
• M9: 5,751,589 km (0.116 R)
• M10: 6,317,219 km (0.079 R)
• M11: 7,058,476 km (0.089 R)
• M12: 7,857,030 km (0.053 R)
• M13: 8,239,402 km (0.081 R)
• M14: 9,547,635 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.3

Radius: 11

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.24 AU - 1.68 AU

Year: 1139 Days

Day: 7.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,940,807 km

• M1: 136,882 km (0.03 R)
• M2: 1,298,061 km (0.113 R)
• M3: 1,854,714 km (0.089 R)
• M4: 2,836,675 km (0.051 R)
• M5: 3,606,954 km (0.117 R)
• M6: 3,963,296 km (0.096 R)
• M7: 4,573,506 km (0.101 R)
• M8: 5,944,271 km (0.107 R)
• M9: 6,287,299 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 762.7

Radius: 8.6

Gravity: 10.31 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.63 AU - 1.65 AU

Year: 1356 Days

Day: 5.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,940,807 km

• M1: 107,112 km (0.059 R)
• M2: 380,427 km (0.075 R)
• M3: 815,009 km (0.1 R)
• M4: 1,207,404 km (0.102 R)
• M5: 1,862,942 km (0.067 R)
• M6: 2,212,403 km (0.117 R)
• M7: 2,579,516 km (0.098 R)
• M8: 2,888,286 km (0.039 R)
• M9: 3,564,618 km (0.064 R)
• M10: 4,398,177 km (0.069 R)
• M11: 4,821,240 km (0.117 R)
• M12: 5,229,194 km (0.113 R)
• M13: 5,704,466 km (0.1 R)
• M14: 6,137,701 km (0.103 R)
• M15: 6,592,928 km (0.078 R)
• M16: 7,436,809 km (0.109 R)
• M17: 7,706,235 km (0.11 R)
• M18: 9,779,362 km (0.108 R)
• M19: 10,909,724 km (0.095 R)
• M20: 11,328,748 km (0.075 R)
• M21: 11,722,190 km (0.07 R)
• M22: 12,423,355 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.4

Radius: 12.8

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.54 AU - 4.06 AU

Year: 3871 Days

Day: 7.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,940,807 km

• M1: 159,172 km (0.12 R)
• M2: 624,721 km (0.095 R)
• M3: 1,138,440 km (0.042 R)
• M4: 1,856,360 km (0.115 R)
• M5: 2,985,375 km (0.11 R)
• M6: 3,627,748 km (0.083 R)
• M7: 4,197,567 km (0.043 R)
• M8: 5,743,062 km (0.072 R)
• M9: 7,570,550 km (0.086 R)
• M10: 10,602,899 km (0.105 R)
• M11: 12,292,158 km (0.109 R)
• M12: 13,378,089 km (0.095 R)
• M13: 15,571,194 km (0.077 R)
• M14: 16,140,563 km (0.11 R)
• M15: 16,842,027 km (0.086 R)
• M16: 18,180,928 km (0.114 R)
• M17: 19,328,194 km (0.083 R)
• M18: 20,320,627 km (0.097 R)
• M19: 21,486,144 km (0.087 R)
• M20: 22,551,131 km (0.107 R)
• M21: 25,172,684 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.4

Radius: 11.6

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.29 AU - 3.95 AU

Year: 4447 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,940,807 km

• M1: 147,653 km (0.112 R)
• M2: 523,892 km (0.104 R)
• M3: 1,608,028 km (0.054 R)
• M4: 3,109,541 km (0.087 R)
• M5: 3,482,788 km (0.097 R)
• M6: 3,928,290 km (0.088 R)
• M7: 4,959,469 km (0.062 R)
• M8: 5,340,794 km (0.114 R)
• M9: 7,098,868 km (0.054 R)
• M10: 7,485,728 km (0.076 R)
• M11: 8,952,385 km (0.061 R)
• M12: 12,493,068 km (0.106 R)
• M13: 15,332,735 km (0.058 R)
• M14: 18,882,243 km (0.096 R)
• M15: 20,135,275 km (0.11 R)
• M16: 20,586,612 km (0.114 R)
• M17: 23,367,487 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451

Radius: 11.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.83 AU - 4.65 AU

Year: 4670 Days

Day: 14.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,940,807 km

• M1: 139,276 km (0.036 R)
• M2: 603,777 km (0.038 R)
• M3: 1,265,448 km (0.061 R)
• M4: 1,822,102 km (0.061 R)
• M5: 2,648,929 km (0.072 R)
• M6: 3,648,991 km (0.059 R)
• M7: 7,546,165 km (0.118 R)
• M8: 8,374,938 km (0.094 R)
• M9: 8,885,665 km (0.096 R)
• M10: 10,090,975 km (0.085 R)
• M11: 10,627,582 km (0.093 R)
• M12: 11,758,243 km (0.068 R)
• M13: 12,399,270 km (0.104 R)
• M14: 13,355,500 km (0.116 R)
• M15: 14,723,422 km (0.116 R)
• M16: 16,632,890 km (0.074 R)
• M17: 17,149,451 km (0.093 R)
• M18: 19,323,557 km (0.04 R)
• M19: 19,958,750 km (0.096 R)
• M20: 22,569,980 km (0.058 R)
• M21: 23,417,153 km (0.108 R)
• M22: 24,212,415 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277

Radius: 7.7

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.37 AU - 7.97 AU

Year: 11123 Days

Day: 24.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 134.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,940,807 km

• M1: 95,892 km (0.12 R)
• M2: 473,028 km (0.055 R)
• M3: 867,967 km (0.103 R)
• M4: 1,193,941 km (0.081 R)
• M5: 1,822,700 km (0.111 R)
• M6: 3,463,041 km (0.091 R)
• M7: 4,011,317 km (0.107 R)
• M8: 4,425,853 km (0.114 R)
• M9: 6,105,538 km (0.077 R)
• M10: 7,199,098 km (0.063 R)
• M11: 7,890,988 km (0.055 R)
• M12: 8,668,598 km (0.094 R)
• M13: 10,664,234 km (0.112 R)
• M14: 16,560,634 km (0.107 R)
• M15: 18,386,027 km (0.093 R)
• M16: 22,914,803 km (0.084 R)
• M17: 23,487,314 km (0.096 R)
• M18: 24,917,470 km (0.114 R)
• M19: 29,554,705 km (0.086 R)
• M20: 33,886,461 km (0.071 R)
• M21: 34,522,701 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.3

Radius: 5

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.15 AU - 8.53 AU

Year: 11550 Days

Day: 19.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,940,807 km

• M1: 76,744 km (0.088 R)
• M2: 397,182 km (0.099 R)
• M3: 599,588 km (0.104 R)
• M4: 1,187,059 km (0.09 R)
• M5: 1,409,212 km (0.065 R)
• M6: 3,396,620 km (0.107 R)
• M7: 3,946,093 km (0.11 R)
• M8: 5,528,838 km (0.079 R)
• M9: 5,817,562 km (0.111 R)
• M10: 6,495,390 km (0.081 R)
• M11: 7,376,521 km (0.118 R)
• M12: 8,376,284 km (0.04 R)
• M13: 9,105,723 km (0.099 R)
• M14: 9,599,695 km (0.103 R)
• M15: 10,937,549 km (0.091 R)
• M16: 12,558,442 km (0.107 R)
• M17: 12,723,449 km (0.091 R)
• M18: 15,816,684 km (0.087 R)
• M19: 19,670,923 km (0.118 R)
• M20: 21,498,560 km (0.116 R)
• M21: 21,813,913 km (0.034 R)
• M22: 22,132,107 km (0.083 R)
• M23: 23,938,502 km (0.051 R)
• M24: 24,705,041 km (0.056 R)
• M25: 26,556,913 km (0.076 R)
• M26: 28,028,507 km (0.087 R)
• M27: 28,216,103 km (0.058 R)
• M28: 32,976,457 km (0.109 R)
• M29: 34,244,897 km (0.104 R)
• M30: 36,319,371 km (0.106 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: 488 - 18,272 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit