🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.6

Radius: 10.8

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.66 AU - 0.86 AU

Year: 457 Days

Day: 11.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,147,054 km

• M1: 134,339 km (0.061 R)
• M2: 502,200 km (0.074 R)
• M3: 966,402 km (0.097 R)
• M4: 1,512,135 km (0.102 R)
• M5: 1,877,304 km (0.056 R)
• M6: 2,716,548 km (0.1 R)
• M7: 3,251,659 km (0.053 R)
• M8: 3,776,449 km (0.109 R)
• M9: 4,430,042 km (0.085 R)
• M10: 4,916,983 km (0.032 R)
• M11: 5,255,822 km (0.091 R)
• M12: 6,367,484 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.3

Radius: 10.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.71 AU - 0.89 AU

Year: 494 Days

Day: 8.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,147,054 km

• M1: 130,749 km (0.08 R)
• M2: 531,521 km (0.103 R)
• M3: 1,025,643 km (0.113 R)
• M4: 1,397,992 km (0.12 R)
• M5: 1,853,817 km (0.045 R)
• M6: 2,645,040 km (0.037 R)
• M7: 4,436,175 km (0.071 R)
• M8: 5,366,674 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.4

Radius: 12.9

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.69 AU - 0.99 AU

Year: 531 Days

Day: 10.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,147,054 km

• M1: 160,519 km (0.066 R)
• M2: 636,389 km (0.099 R)
• M3: 1,106,575 km (0.114 R)
• M4: 1,681,779 km (0.1 R)
• M5: 2,212,104 km (0.114 R)
• M6: 2,765,317 km (0.058 R)
• M7: 3,285,618 km (0.093 R)
• M8: 4,167,647 km (0.12 R)
• M9: 4,952,587 km (0.091 R)
• M10: 6,188,116 km (0.092 R)
• M11: 6,939,845 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 9

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.03 AU - 1.11 AU

Year: 764 Days

Day: 8.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,147,054 km

• M1: 112,049 km (0.114 R)
• M2: 532,269 km (0.104 R)
• M3: 822,489 km (0.094 R)
• M4: 1,159,683 km (0.037 R)
• M5: 1,499,719 km (0.099 R)
• M6: 1,811,630 km (0.03 R)
• M7: 2,932,417 km (0.116 R)
• M8: 3,401,556 km (0.095 R)
• M9: 3,986,783 km (0.094 R)
• M10: 4,849,215 km (0.048 R)
• M11: 5,130,908 km (0.078 R)
• M12: 5,557,262 km (0.074 R)
• M13: 6,042,408 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.2

Radius: 14.9

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.91 AU - 1.45 AU

Year: 885 Days

Day: 8.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,147,054 km

• M1: 185,352 km (0.11 R)
• M2: 806,632 km (0.091 R)
• M3: 1,288,486 km (0.07 R)
• M4: 2,054,128 km (0.111 R)
• M5: 2,730,311 km (0.107 R)
• M6: 3,344,560 km (0.038 R)
• M7: 4,565,129 km (0.072 R)
• M8: 5,253,877 km (0.107 R)
• M9: 6,138,300 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.6

Radius: 8.3

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.81 AU - 2.11 AU

Year: 1894 Days

Day: 14.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,147,054 km

• M1: 103,671 km (0.104 R)
• M2: 378,034 km (0.106 R)
• M3: 694,583 km (0.103 R)
• M4: 1,001,558 km (0.106 R)
• M5: 1,384,977 km (0.087 R)
• M6: 1,846,487 km (0.111 R)
• M7: 2,375,315 km (0.03 R)
• M8: 2,745,719 km (0.097 R)
• M9: 3,039,081 km (0.088 R)
• M10: 3,532,604 km (0.114 R)
• M11: 3,865,759 km (0.118 R)
• M12: 4,299,443 km (0.102 R)
• M13: 5,797,965 km (0.108 R)
• M14: 7,855,683 km (0.11 R)
• M15: 8,578,092 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.3

Radius: 11.1

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.48 AU - 3.6 AU

Year: 4597 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,147,054 km

• M1: 138,079 km (0.111 R)
• M2: 610,509 km (0.111 R)
• M3: 984,055 km (0.095 R)
• M4: 1,621,641 km (0.115 R)
• M5: 3,590,798 km (0.066 R)
• M6: 5,379,390 km (0.092 R)
• M7: 6,580,062 km (0.108 R)
• M8: 7,770,263 km (0.11 R)
• M9: 8,550,266 km (0.104 R)
• M10: 12,055,045 km (0.069 R)
• M11: 12,595,094 km (0.06 R)
• M12: 13,151,298 km (0.112 R)
• M13: 14,531,189 km (0.077 R)
• M14: 15,199,742 km (0.11 R)
• M15: 15,656,614 km (0.081 R)
• M16: 16,299,885 km (0.115 R)
• M17: 16,960,808 km (0.027 R)
• M18: 17,452,536 km (0.077 R)
• M19: 18,207,856 km (0.059 R)
• M20: 18,853,969 km (0.111 R)
• M21: 19,716,700 km (0.096 R)
• M22: 21,520,701 km (0.108 R)
• M23: 24,898,920 km (0.039 R)
• M24: 28,014,595 km (0.06 R)
• M25: 28,529,212 km (0.079 R)
• M26: 29,400,918 km (0.061 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.8

Radius: 13.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.6 AU - 6 AU

Year: 8422 Days

Day: 14.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,147,054 km

• M1: 168,298 km (0.118 R)
• M2: 601,982 km (0.067 R)
• M3: 1,207,404 km (0.034 R)
• M4: 1,755,082 km (0.096 R)
• M5: 2,379,803 km (0.094 R)
• M6: 2,902,647 km (0.05 R)
• M7: 3,434,019 km (0.081 R)
• M8: 5,338,998 km (0.076 R)
• M9: 5,909,565 km (0.103 R)
• M10: 7,136,267 km (0.074 R)
• M11: 7,869,895 km (0.054 R)
• M12: 8,610,704 km (0.084 R)
• M13: 11,836,782 km (0.111 R)
• M14: 12,479,903 km (0.097 R)
• M15: 14,012,533 km (0.088 R)
• M16: 16,377,676 km (0.079 R)
• M17: 17,655,092 km (0.071 R)
• M18: 18,212,344 km (0.111 R)
• M19: 21,177,075 km (0.092 R)
• M20: 23,938,950 km (0.099 R)
• M21: 26,387,120 km (0.107 R)
• M22: 29,970,737 km (0.077 R)
• M23: 32,497,893 km (0.096 R)
• M24: 33,441,557 km (0.082 R)
• M25: 33,973,676 km (0.032 R)
• M26: 34,945,614 km (0.102 R)
• M27: 36,719,246 km (0.109 R)
• M28: 38,088,366 km (0.058 R)
• M29: 39,019,912 km (0.086 R)
• M30: 39,847,338 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.9

Radius: 7.1

Gravity: 16.09 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.43 AU - 6.81 AU

Year: 10451 Days

Day: 16 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,147,054 km

• M1: 88,412 km (0.037 R)
• M2: 423,811 km (0.037 R)
• M3: 902,823 km (0.095 R)
• M4: 1,552,826 km (0.106 R)
• M5: 1,961,677 km (0.081 R)
• M6: 2,859,414 km (0.031 R)
• M7: 3,086,354 km (0.12 R)
• M8: 3,551,304 km (0.069 R)
• M9: 4,559,294 km (0.036 R)
• M10: 4,807,028 km (0.098 R)
• M11: 5,639,840 km (0.072 R)
• M12: 6,221,327 km (0.034 R)
• M13: 6,449,314 km (0.105 R)
• M14: 7,250,261 km (0.119 R)
• M15: 8,251,220 km (0.038 R)
• M16: 9,341,489 km (0.05 R)
• M17: 10,686,075 km (0.064 R)
• M18: 16,407,296 km (0.116 R)
• M19: 20,450,927 km (0.101 R)
• M20: 21,041,539 km (0.042 R)
• M21: 22,612,466 km (0.055 R)
• M22: 23,979,940 km (0.104 R)
• M23: 29,895,190 km (0.119 R)
• M24: 35,010,988 km (0.118 R)
• M25: 38,344,627 km (0.112 R)
• M26: 41,883,813 km (0.058 R)
• M27: 44,360,705 km (0.102 R)
• M28: 44,924,091 km (0.116 R)
• M29: 46,353,349 km (0.115 R)
• M30: 48,702,933 km (0.061 R)
• M31: 50,516,359 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 612.8

Radius: 6.2

Gravity: 15.94 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.66 AU - 11.48 AU

Year: 23720 Days

Day: 23.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 82,147,054 km

• M1: 77,940 km (0.063 R)
• M2: 509,381 km (0.079 R)
• M3: 1,604,437 km (0.081 R)
• M4: 2,451,760 km (0.079 R)
• M5: 3,506,125 km (0.07 R)
• M6: 9,851,319 km (0.107 R)
• M7: 10,397,501 km (0.115 R)
• M8: 11,418,207 km (0.109 R)
• M9: 19,354,075 km (0.083 R)
• M10: 19,636,665 km (0.118 R)
• M11: 21,793,567 km (0.12 R)
• M12: 23,564,806 km (0.11 R)
• M13: 26,110,962 km (0.095 R)
• M14: 27,272,889 km (0.044 R)
• M15: 34,012,572 km (0.103 R)
• M16: 37,690,884 km (0.079 R)
• M17: 45,659,813 km (0.088 R)
• M18: 51,733,786 km (0.109 R)
• M19: 56,387,626 km (0.089 R)
• M20: 58,129,095 km (0.071 R)
• M21: 70,219,894 km (0.101 R)
• M22: 74,287,311 km (0.078 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: 329 - 10,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit