🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.1

Radius: 14.9

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.63 AU - 0.67 AU

Year: 349 Days

Day: 11.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,602,131 km

• M1: 185,501 km (0.05 R)
• M2: 702,960 km (0.071 R)
• M3: 1,188,555 km (0.092 R)
• M4: 1,866,084 km (0.097 R)
• M5: 2,652,669 km (0.109 R)
• M6: 3,268,564 km (0.095 R)
• M7: 4,339,236 km (0.071 R)
• M8: 5,066,730 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 13.3

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.05 AU - 1.53 AU

Year: 977 Days

Day: 12.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,602,131 km

• M1: 165,455 km (0.057 R)
• M2: 694,433 km (0.117 R)
• M3: 1,279,361 km (0.069 R)
• M4: 1,983,668 km (0.047 R)
• M5: 2,507,111 km (0.109 R)
• M6: 3,328,253 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.8

Radius: 8.4

Gravity: 10.37 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.74 AU - 2.78 AU

Year: 2266 Days

Day: 7.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,602,131 km

• M1: 104,868 km (0.095 R)
• M2: 401,221 km (0.102 R)
• M3: 2,739,436 km (0.031 R)
• M4: 3,067,953 km (0.057 R)
• M5: 3,995,909 km (0.054 R)
• M6: 4,696,924 km (0.087 R)
• M7: 5,076,903 km (0.094 R)
• M8: 6,778,429 km (0.119 R)
• M9: 7,119,213 km (0.116 R)
• M10: 7,773,704 km (0.12 R)
• M11: 10,382,840 km (0.097 R)
• M12: 11,067,699 km (0.078 R)
• M13: 12,109,948 km (0.066 R)
• M14: 13,172,392 km (0.081 R)
• M15: 13,884,328 km (0.077 R)
• M16: 14,203,719 km (0.047 R)
• M17: 17,146,010 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.6

Radius: 5.1

Gravity: 35.7 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.43 AU - 7.57 AU

Year: 12350 Days

Day: 24.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,602,131 km

• M1: 63,429 km (0.05 R)
• M2: 551,418 km (0.111 R)
• M3: 758,312 km (0.096 R)
• M4: 1,160,580 km (0.104 R)
• M5: 1,431,502 km (0.066 R)
• M6: 2,461,035 km (0.06 R)
• M7: 3,654,227 km (0.085 R)
• M8: 4,206,543 km (0.056 R)
• M9: 5,439,079 km (0.079 R)
• M10: 5,696,687 km (0.118 R)
• M11: 6,894,517 km (0.097 R)
• M12: 7,065,956 km (0.089 R)
• M13: 9,992,839 km (0.096 R)
• M14: 10,548,445 km (0.037 R)
• M15: 10,776,432 km (0.075 R)
• M16: 11,124,397 km (0.105 R)
• M17: 13,438,526 km (0.076 R)
• M18: 13,639,137 km (0.115 R)
• M19: 14,956,496 km (0.081 R)
• M20: 18,658,146 km (0.072 R)
• M21: 20,453,769 km (0.101 R)
• M22: 20,719,305 km (0.094 R)
• M23: 20,897,626 km (0.099 R)
• M24: 22,927,370 km (0.113 R)
• M25: 23,503,022 km (0.068 R)
• M26: 24,384,303 km (0.028 R)
• M27: 27,481,278 km (0.088 R)
• M28: 27,804,559 km (0.093 R)
• M29: 28,900,962 km (0.07 R)
• M30: 30,483,857 km (0.095 R)
• M31: 33,330,256 km (0.109 R)
• M32: 34,817,857 km (0.073 R)
• M33: 37,131,239 km (0.114 R)
• M34: 37,658,870 km (0.07 R)
• M35: 39,135,551 km (0.118 R)
• M36: 39,682,032 km (0.115 R)
• M37: 42,347,417 km (0.118 R)
• M38: 49,766,873 km (0.093 R)
• M39: 56,603,945 km (0.102 R)
• M40: 59,793,521 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.6

Radius: 4.2

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.72 AU - 7.9 AU

Year: 14555 Days

Day: 24.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,602,131 km

• M1: 53,406 km (0.069 R)
• M2: 247,734 km (0.086 R)
• M3: 464,352 km (0.055 R)
• M4: 767,736 km (0.063 R)
• M5: 1,847,085 km (0.112 R)
• M6: 2,376,063 km (0.077 R)
• M7: 2,617,514 km (0.093 R)
• M8: 4,156,278 km (0.077 R)
• M9: 4,397,130 km (0.087 R)
• M10: 5,645,973 km (0.069 R)
• M11: 6,351,477 km (0.08 R)
• M12: 10,481,126 km (0.074 R)
• M13: 13,121,229 km (0.115 R)
• M14: 13,292,519 km (0.073 R)
• M15: 13,523,049 km (0.116 R)
• M16: 13,697,779 km (0.037 R)
• M17: 14,411,660 km (0.096 R)
• M18: 14,593,871 km (0.059 R)
• M19: 14,839,361 km (0.098 R)
• M20: 15,528,409 km (0.091 R)
• M21: 15,720,043 km (0.056 R)
• M22: 16,173,175 km (0.038 R)
• M23: 19,150,023 km (0.071 R)
• M24: 22,964,470 km (0.074 R)
• M25: 25,092,500 km (0.12 R)
• M26: 25,711,087 km (0.04 R)
• M27: 38,653,547 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.5

Radius: 5.6

Gravity: 16.85 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.85 AU - 9.87 AU

Year: 17587 Days

Day: 23.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,602,131 km

• M1: 69,713 km (0.119 R)
• M2: 298,747 km (0.09 R)
• M3: 732,581 km (0.116 R)
• M4: 1,414,897 km (0.084 R)
• M5: 2,031,689 km (0.119 R)
• M6: 2,245,913 km (0.07 R)
• M7: 2,674,212 km (0.112 R)
• M8: 4,195,323 km (0.071 R)
• M9: 5,051,023 km (0.118 R)
• M10: 6,379,152 km (0.076 R)
• M11: 7,057,579 km (0.095 R)
• M12: 9,118,140 km (0.038 R)
• M13: 9,434,390 km (0.036 R)
• M14: 13,277,409 km (0.114 R)
• M15: 17,803,792 km (0.116 R)
• M16: 19,660,152 km (0.072 R)
• M17: 21,456,374 km (0.077 R)
• M18: 23,164,033 km (0.077 R)
• M19: 23,752,851 km (0.113 R)
• M20: 32,706,283 km (0.072 R)
• M21: 37,052,550 km (0.05 R)
• M22: 40,483,278 km (0.112 R)
• M23: 41,051,152 km (0.108 R)
• M24: 42,786,637 km (0.099 R)
• M25: 53,723,438 km (0.073 R)
• M26: 59,008,880 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.9

Radius: 6.5

Gravity: 14.1 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 7.79 AU - 10.71 AU

Year: 18760 Days

Day: 15.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,602,131 km

• M1: 82,129 km (0.084 R)
• M2: 636,988 km (0.118 R)
• M3: 841,488 km (0.107 R)
• M4: 1,389,315 km (0.054 R)
• M5: 1,883,886 km (0.09 R)
• M6: 2,131,919 km (0.104 R)
• M7: 2,380,401 km (0.078 R)
• M8: 2,671,220 km (0.116 R)
• M9: 3,433,720 km (0.104 R)
• M10: 6,124,836 km (0.082 R)
• M11: 9,576,807 km (0.099 R)
• M12: 10,489,653 km (0.034 R)
• M13: 12,487,084 km (0.118 R)
• M14: 14,504,710 km (0.067 R)
• M15: 15,323,759 km (0.088 R)
• M16: 23,824,658 km (0.11 R)
• M17: 29,527,628 km (0.101 R)
• M18: 30,239,115 km (0.07 R)
• M19: 31,450,110 km (0.071 R)
• M20: 32,693,119 km (0.08 R)
• M21: 33,454,422 km (0.115 R)
• M22: 35,943,432 km (0.093 R)
• M23: 36,482,582 km (0.098 R)
• M24: 36,754,252 km (0.119 R)
• M25: 37,993,521 km (0.066 R)
• M26: 38,976,379 km (0.077 R)
• M27: 44,764,620 km (0.112 R)
• M28: 45,703,197 km (0.06 R)
• M29: 47,943,874 km (0.098 R)
• M30: 58,564,425 km (0.111 R)
• M31: 60,253,086 km (0.101 R)
• M32: 63,531,074 km (0.053 R)
• M33: 63,924,367 km (0.041 R)
• M34: 67,537,305 km (0.045 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 16,215 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit