🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.55 AU - 0.59 AU

Year: 274 Days

Day: 18.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.58 AU - 0.7 AU

Year: 326 Days

Day: 19.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.3

Radius: 12.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.76 AU - 1 AU

Year: 525 Days

Day: 12.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,324,172 km

• M1: 159,172 km (0.119 R)
• M2: 727,195 km (0.038 R)
• M3: 1,160,580 km (0.1 R)
• M4: 1,803,552 km (0.075 R)
• M5: 2,205,073 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.8

Radius: 9.6

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.83 AU - 1.25 AU

Year: 674 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,324,172 km

• M1: 119,379 km (0.111 R)
• M2: 609,911 km (0.118 R)
• M3: 996,471 km (0.041 R)
• M4: 1,480,421 km (0.04 R)
• M5: 1,907,522 km (0.1 R)
• M6: 2,636,812 km (0.082 R)
• M7: 3,194,363 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.6

Radius: 12.6

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.19 AU - 1.75 AU

Year: 1133 Days

Day: 10.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,324,172 km

• M1: 160,070 km (0.116 R)
• M2: 560,094 km (0.091 R)
• M3: 999,015 km (0.099 R)
• M4: 1,394,402 km (0.105 R)
• M5: 2,436,501 km (0.11 R)
• M6: 3,220,244 km (0.117 R)
• M7: 3,663,801 km (0.083 R)
• M8: 4,732,529 km (0.035 R)
• M9: 5,165,465 km (0.071 R)
• M10: 5,909,265 km (0.107 R)
• M11: 7,349,444 km (0.105 R)
• M12: 8,517,355 km (0.039 R)
• M13: 9,372,456 km (0.048 R)
• M14: 10,284,106 km (0.081 R)
• M15: 11,116,468 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.9

Radius: 13.4

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.53 AU - 4.29 AU

Year: 4916 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,324,172 km

• M1: 166,802 km (0.088 R)
• M2: 707,299 km (0.05 R)
• M3: 1,189,153 km (0.105 R)
• M4: 1,628,373 km (0.094 R)
• M5: 2,346,443 km (0.069 R)
• M6: 2,797,779 km (0.114 R)
• M7: 3,228,322 km (0.118 R)
• M8: 3,681,753 km (0.089 R)
• M9: 4,248,879 km (0.069 R)
• M10: 4,821,689 km (0.108 R)
• M11: 5,881,590 km (0.08 R)
• M12: 7,261,929 km (0.078 R)
• M13: 9,207,899 km (0.102 R)
• M14: 10,171,309 km (0.053 R)
• M15: 12,797,948 km (0.11 R)
• M16: 14,268,196 km (0.104 R)
• M17: 14,987,911 km (0.079 R)
• M18: 16,083,267 km (0.071 R)
• M19: 16,923,858 km (0.066 R)
• M20: 17,417,381 km (0.091 R)
• M21: 18,889,723 km (0.117 R)
• M22: 21,935,386 km (0.094 R)
• M23: 24,659,863 km (0.092 R)
• M24: 25,777,807 km (0.069 R)
• M25: 28,895,128 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 599.8

Radius: 6.4

Gravity: 14.64 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.81 AU - 6.95 AU

Year: 10246 Days

Day: 24.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,324,172 km

• M1: 80,334 km (0.07 R)
• M2: 602,580 km (0.038 R)
• M3: 815,308 km (0.068 R)
• M4: 1,068,428 km (0.063 R)
• M5: 1,506,301 km (0.092 R)
• M6: 2,436,351 km (0.032 R)
• M7: 3,147,539 km (0.09 R)
• M8: 3,453,317 km (0.118 R)
• M9: 3,909,441 km (0.11 R)
• M10: 4,667,753 km (0.103 R)
• M11: 5,453,590 km (0.098 R)
• M12: 7,446,683 km (0.076 R)
• M13: 8,832,857 km (0.091 R)
• M14: 9,157,634 km (0.098 R)
• M15: 12,276,450 km (0.078 R)
• M16: 12,857,039 km (0.098 R)
• M17: 13,334,705 km (0.084 R)
• M18: 14,073,270 km (0.037 R)
• M19: 14,325,343 km (0.116 R)
• M20: 16,038,388 km (0.104 R)
• M21: 21,238,111 km (0.075 R)
• M22: 21,989,690 km (0.102 R)
• M23: 27,362,049 km (0.091 R)
• M24: 28,251,558 km (0.052 R)
• M25: 28,855,185 km (0.099 R)
• M26: 29,058,339 km (0.106 R)
• M27: 29,467,489 km (0.085 R)
• M28: 32,879,817 km (0.105 R)
• M29: 33,212,522 km (0.112 R)
• M30: 35,956,447 km (0.113 R)
• M31: 36,427,979 km (0.059 R)
• M32: 44,679,798 km (0.091 R)
• M33: 46,050,563 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146

Radius: 3.8

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.73 AU - 11.69 AU

Year: 19238 Days

Day: 18.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,324,172 km

• M1: 47,273 km (0.077 R)
• M2: 360,381 km (0.05 R)
• M3: 674,238 km (0.095 R)
• M4: 2,671,668 km (0.062 R)
• M5: 3,232,212 km (0.031 R)
• M6: 4,214,621 km (0.094 R)
• M7: 11,268,609 km (0.105 R)
• M8: 13,413,244 km (0.079 R)
• M9: 13,593,211 km (0.111 R)
• M10: 13,897,044 km (0.055 R)
• M11: 20,323,918 km (0.076 R)
• M12: 20,482,043 km (0.047 R)
• M13: 21,612,554 km (0.107 R)
• M14: 22,360,992 km (0.065 R)
• M15: 23,040,466 km (0.076 R)
• M16: 24,173,969 km (0.053 R)
• M17: 25,619,383 km (0.045 R)
• M18: 26,551,528 km (0.108 R)
• M19: 27,699,542 km (0.112 R)
• M20: 32,407,088 km (0.055 R)
• M21: 37,264,830 km (0.058 R)
• M22: 38,823,639 km (0.086 R)
• M23: 40,550,448 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 266.5

Radius: 7.5

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 10.55 AU - 12.17 AU

Year: 24344 Days

Day: 18.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,324,172 km

• M1: 94,097 km (0.094 R)
• M2: 367,113 km (0.079 R)
• M3: 695,780 km (0.113 R)
• M4: 1,154,148 km (0.07 R)
• M5: 1,635,404 km (0.038 R)
• M6: 1,922,781 km (0.114 R)
• M7: 2,578,469 km (0.106 R)
• M8: 2,946,180 km (0.107 R)
• M9: 3,590,349 km (0.089 R)
• M10: 3,960,604 km (0.062 R)
• M11: 4,612,551 km (0.032 R)
• M12: 4,981,609 km (0.086 R)
• M13: 5,333,912 km (0.091 R)
• M14: 6,409,820 km (0.109 R)
• M15: 9,506,945 km (0.112 R)
• M16: 10,902,842 km (0.109 R)
• M17: 12,947,995 km (0.065 R)
• M18: 13,278,606 km (0.09 R)
• M19: 14,801,363 km (0.11 R)
• M20: 15,828,801 km (0.109 R)
• M21: 16,903,063 km (0.079 R)
• M22: 21,137,282 km (0.04 R)
• M23: 23,205,771 km (0.087 R)
• M24: 25,612,203 km (0.065 R)
• M25: 26,875,706 km (0.115 R)
• M26: 31,864,197 km (0.108 R)
• M27: 33,821,386 km (0.087 R)
• M28: 39,892,217 km (0.108 R)
• M29: 49,813,697 km (0.045 R)
• M30: 54,134,832 km (0.081 R)
• M31: 55,687,059 km (0.098 R)
• M32: 60,890,073 km (0.11 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 13,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit