🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.8

Radius: 9.7

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.89 AU - 0.95 AU

Year: 609 Days

Day: 13.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,473,486 km

• M1: 120,576 km (0.117 R)
• M2: 478,713 km (0.119 R)
• M3: 981,960 km (0.079 R)
• M4: 1,559,707 km (0.089 R)
• M5: 1,913,207 km (0.11 R)
• M6: 2,230,504 km (0.08 R)
• M7: 2,583,106 km (0.104 R)
• M8: 3,415,469 km (0.1 R)
• M9: 4,108,257 km (0.088 R)
• M10: 4,416,877 km (0.059 R)
• M11: 5,080,942 km (0.065 R)
• M12: 7,613,036 km (0.043 R)
• M13: 8,056,893 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 13.4

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.98 AU - 1.58 AU

Year: 1000 Days

Day: 6.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,473,486 km

• M1: 172,935 km (0.112 R)
• M2: 623,075 km (0.087 R)
• M3: 1,058,106 km (0.083 R)
• M4: 2,129,526 km (0.046 R)
• M5: 2,662,393 km (0.081 R)
• M6: 3,092,038 km (0.074 R)
• M7: 3,960,903 km (0.112 R)
• M8: 4,670,745 km (0.068 R)
• M9: 5,205,707 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.9

Radius: 14.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.28 AU - 1.94 AU

Year: 1410 Days

Day: 7.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,473,486 km

• M1: 193,280 km (0.116 R)
• M2: 780,153 km (0.084 R)
• M3: 1,267,244 km (0.062 R)
• M4: 2,143,438 km (0.081 R)
• M5: 3,029,806 km (0.078 R)
• M6: 3,780,787 km (0.111 R)
• M7: 5,729,598 km (0.117 R)
• M8: 7,415,866 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.2

Radius: 9.7

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.55 AU - 1.75 AU

Year: 1463 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,473,486 km

• M1: 120,725 km (0.11 R)
• M2: 432,936 km (0.085 R)
• M3: 942,467 km (0.029 R)
• M4: 1,347,428 km (0.084 R)
• M5: 1,652,159 km (0.081 R)
• M6: 2,296,776 km (0.076 R)
• M7: 4,082,077 km (0.046 R)
• M8: 4,654,289 km (0.118 R)
• M9: 6,720,236 km (0.076 R)
• M10: 7,047,705 km (0.106 R)
• M11: 10,427,271 km (0.091 R)
• M12: 11,178,551 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708

Radius: 14.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.29 AU - 2.51 AU

Year: 2566 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,473,486 km

• M1: 179,667 km (0.062 R)
• M2: 773,720 km (0.091 R)
• M3: 1,525,449 km (0.09 R)
• M4: 2,091,378 km (0.098 R)
• M5: 2,827,998 km (0.066 R)
• M6: 3,353,087 km (0.063 R)
• M7: 4,222,998 km (0.059 R)
• M8: 4,734,174 km (0.099 R)
• M9: 5,431,450 km (0.114 R)
• M10: 6,143,237 km (0.106 R)
• M11: 6,859,362 km (0.076 R)
• M12: 7,357,223 km (0.041 R)
• M13: 7,879,320 km (0.118 R)
• M14: 10,220,377 km (0.115 R)
• M15: 11,307,804 km (0.078 R)
• M16: 12,088,705 km (0.056 R)
• M17: 15,577,477 km (0.096 R)
• M18: 16,081,771 km (0.027 R)
• M19: 16,911,291 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.4

Radius: 14.7

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.97 AU - 4.65 AU

Year: 6176 Days

Day: 14.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,473,486 km

• M1: 182,809 km (0.068 R)
• M2: 1,671,158 km (0.051 R)
• M3: 2,420,942 km (0.067 R)
• M4: 4,271,767 km (0.088 R)
• M5: 6,401,742 km (0.115 R)
• M6: 8,092,796 km (0.118 R)
• M7: 9,083,732 km (0.058 R)
• M8: 11,164,339 km (0.113 R)
• M9: 13,171,644 km (0.09 R)
• M10: 15,409,777 km (0.098 R)
• M11: 16,743,742 km (0.1 R)
• M12: 18,418,041 km (0.077 R)
• M13: 19,090,783 km (0.08 R)
• M14: 22,934,401 km (0.102 R)
• M15: 28,674,621 km (0.062 R)
• M16: 31,254,885 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.8

Radius: 12.7

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.41 AU - 4.75 AU

Year: 6766 Days

Day: 9.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,473,486 km

• M1: 158,275 km (0.103 R)
• M2: 686,505 km (0.082 R)
• M3: 1,185,414 km (0.033 R)
• M4: 1,625,530 km (0.066 R)
• M5: 2,381,149 km (0.057 R)
• M6: 3,236,700 km (0.116 R)
• M7: 3,658,865 km (0.065 R)
• M8: 5,495,478 km (0.033 R)
• M9: 6,069,036 km (0.09 R)
• M10: 7,443,691 km (0.11 R)
• M11: 7,845,660 km (0.045 R)
• M12: 8,417,124 km (0.09 R)
• M13: 10,300,412 km (0.104 R)
• M14: 12,247,877 km (0.109 R)
• M15: 12,706,394 km (0.101 R)
• M16: 13,176,132 km (0.115 R)
• M17: 14,941,686 km (0.114 R)
• M18: 15,465,428 km (0.081 R)
• M19: 26,271,630 km (0.077 R)
• M20: 29,506,834 km (0.114 R)
• M21: 30,984,711 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.5

Radius: 8.8

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.11 AU - 5.75 AU

Year: 8734 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,473,486 km

• M1: 110,553 km (0.115 R)
• M2: 467,643 km (0.062 R)
• M3: 830,567 km (0.085 R)
• M4: 1,427,313 km (0.091 R)
• M5: 1,957,937 km (0.056 R)
• M6: 2,614,821 km (0.048 R)
• M7: 2,896,364 km (0.108 R)
• M8: 4,010,270 km (0.119 R)
• M9: 4,869,560 km (0.034 R)
• M10: 5,181,771 km (0.088 R)
• M11: 6,465,321 km (0.084 R)
• M12: 6,878,211 km (0.102 R)
• M13: 8,504,041 km (0.104 R)
• M14: 9,298,405 km (0.056 R)
• M15: 9,735,979 km (0.105 R)
• M16: 12,549,616 km (0.093 R)
• M17: 12,922,264 km (0.113 R)
• M18: 14,084,789 km (0.098 R)
• M19: 16,174,821 km (0.051 R)
• M20: 18,395,302 km (0.058 R)
• M21: 18,738,180 km (0.053 R)
• M22: 19,295,582 km (0.092 R)
• M23: 22,172,798 km (0.105 R)
• M24: 23,592,482 km (0.119 R)
• M25: 26,611,816 km (0.067 R)
• M26: 29,410,343 km (0.1 R)
• M27: 31,122,341 km (0.041 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399

Radius: 5.5

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.12 AU - 7.58 AU

Year: 11045 Days

Day: 23.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 83,473,486 km

• M1: 69,563 km (0.102 R)
• M2: 338,839 km (0.117 R)
• M3: 688,749 km (0.077 R)
• M4: 956,529 km (0.079 R)
• M5: 1,534,425 km (0.084 R)
• M6: 1,899,444 km (0.112 R)
• M7: 3,165,042 km (0.069 R)
• M8: 4,252,319 km (0.056 R)
• M9: 6,177,644 km (0.088 R)
• M10: 6,943,436 km (0.079 R)
• M11: 8,102,669 km (0.026 R)
• M12: 8,750,279 km (0.091 R)
• M13: 15,032,342 km (0.09 R)
• M14: 21,364,521 km (0.037 R)
• M15: 21,769,931 km (0.108 R)
• M16: 28,481,789 km (0.107 R)
• M17: 28,677,463 km (0.096 R)
• M18: 32,783,177 km (0.105 R)

Asteroid Belt

Center: 8.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.3

Radius: 7.4

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 8.01 AU - 11.99 AU

Year: 21828 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,473,486 km

• M1: 99,632 km (0.114 R)
• M2: 351,555 km (0.049 R)
• M3: 586,424 km (0.098 R)
• M4: 1,523,954 km (0.09 R)
• M5: 1,864,139 km (0.115 R)
• M6: 2,146,729 km (0.029 R)
• M7: 2,748,113 km (0.057 R)
• M8: 3,398,265 km (0.053 R)
• M9: 3,854,090 km (0.098 R)
• M10: 5,508,942 km (0.106 R)
• M11: 5,838,805 km (0.1 R)
• M12: 6,358,209 km (0.032 R)
• M13: 7,292,148 km (0.116 R)
• M14: 10,205,118 km (0.052 R)
• M15: 25,508,531 km (0.071 R)
• M16: 27,602,902 km (0.04 R)
• M17: 27,842,408 km (0.069 R)
• M18: 31,474,046 km (0.079 R)
• M19: 31,735,543 km (0.069 R)
• M20: 34,987,950 km (0.118 R)
• M21: 48,113,966 km (0.105 R)
• M22: 51,118,191 km (0.054 R)
• M23: 58,477,957 km (0.091 R)
• M24: 62,306,466 km (0.114 R)
• M25: 63,967,302 km (0.085 R)
• M26: 75,021,238 km (0.21 R)
• M27: 79,534,905 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 532 - 15,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit