🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.7

Radius: 13.6

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.43 AU - 0.61 AU

Year: 254 Days

Day: 12.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,653,206 km

• M1: 169,794 km (0.11 R)
• M2: 660,026 km (0.052 R)
• M3: 1,185,414 km (0.098 R)
• M4: 1,611,319 km (0.083 R)
• M5: 2,204,773 km (0.104 R)
• M6: 2,814,385 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 10.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.57 AU - 2.23 AU

Year: 1776 Days

Day: 9 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,653,206 km

• M1: 128,654 km (0.079 R)
• M2: 488,437 km (0.089 R)
• M3: 986,149 km (0.064 R)
• M4: 2,067,592 km (0.037 R)
• M5: 2,716,398 km (0.072 R)
• M6: 3,664,998 km (0.106 R)
• M7: 4,224,494 km (0.077 R)
• M8: 5,618,447 km (0.113 R)
• M9: 7,576,833 km (0.086 R)
• M10: 8,625,514 km (0.046 R)
• M11: 9,258,313 km (0.094 R)
• M12: 9,860,295 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.1

Radius: 12.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.23 AU - 3.01 AU

Year: 2876 Days

Day: 5 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,653,206 km

• M1: 154,235 km (0.05 R)
• M2: 546,780 km (0.069 R)
• M3: 1,089,072 km (0.035 R)
• M4: 1,533,827 km (0.085 R)
• M5: 2,477,191 km (0.066 R)
• M6: 3,134,973 km (0.059 R)
• M7: 3,873,238 km (0.095 R)
• M8: 4,611,654 km (0.074 R)
• M9: 6,026,251 km (0.079 R)
• M10: 6,676,553 km (0.091 R)
• M11: 7,424,542 km (0.091 R)
• M12: 8,852,903 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.7

Radius: 13.2

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.1 AU - 3.38 AU

Year: 3076 Days

Day: 6.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,653,206 km

• M1: 166,951 km (0.097 R)
• M2: 724,502 km (0.037 R)
• M3: 1,267,244 km (0.119 R)
• M4: 1,731,895 km (0.067 R)
• M5: 2,379,354 km (0.12 R)
• M6: 2,923,591 km (0.047 R)
• M7: 4,143,263 km (0.097 R)
• M8: 5,051,770 km (0.033 R)
• M9: 6,382,743 km (0.116 R)
• M10: 6,970,662 km (0.113 R)
• M11: 7,442,644 km (0.085 R)
• M12: 8,352,797 km (0.079 R)
• M13: 11,942,398 km (0.094 R)
• M14: 12,663,310 km (0.059 R)
• M15: 13,413,095 km (0.079 R)
• M16: 15,491,608 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.8

Radius: 11.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.23 AU - 4.23 AU

Year: 5901 Days

Day: 5.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,653,206 km

• M1: 138,079 km (0.102 R)
• M2: 589,416 km (0.053 R)
• M3: 954,584 km (0.116 R)
• M4: 1,330,374 km (0.107 R)
• M5: 2,004,312 km (0.075 R)
• M6: 2,990,013 km (0.067 R)
• M7: 4,101,226 km (0.083 R)
• M8: 4,737,914 km (0.039 R)
• M9: 5,150,804 km (0.11 R)
• M10: 5,769,391 km (0.048 R)
• M11: 6,704,378 km (0.085 R)
• M12: 7,369,939 km (0.099 R)
• M13: 9,546,588 km (0.091 R)
• M14: 9,984,162 km (0.08 R)
• M15: 10,343,795 km (0.103 R)
• M16: 10,758,630 km (0.032 R)
• M17: 12,896,982 km (0.1 R)
• M18: 13,377,939 km (0.113 R)
• M19: 14,604,492 km (0.084 R)
• M20: 16,897,528 km (0.083 R)
• M21: 23,820,768 km (0.071 R)
• M22: 28,843,816 km (0.089 R)
• M23: 31,457,590 km (0.079 R)
• M24: 33,019,990 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.3

Radius: 13.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.21 AU - 4.93 AU

Year: 6626 Days

Day: 5.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,653,206 km

• M1: 169,195 km (0.042 R)
• M2: 752,028 km (0.117 R)
• M3: 1,609,224 km (0.089 R)
• M4: 2,050,388 km (0.102 R)
• M5: 4,028,671 km (0.049 R)
• M6: 5,096,351 km (0.06 R)
• M7: 6,251,396 km (0.054 R)
• M8: 7,399,410 km (0.028 R)
• M9: 8,606,216 km (0.109 R)
• M10: 11,501,533 km (0.082 R)
• M11: 13,795,018 km (0.115 R)
• M12: 15,105,795 km (0.063 R)
• M13: 16,798,494 km (0.063 R)
• M14: 17,225,447 km (0.102 R)
• M15: 20,627,452 km (0.06 R)
• M16: 22,339,450 km (0.06 R)
• M17: 23,456,348 km (0.119 R)
• M18: 25,480,257 km (0.069 R)
• M19: 27,449,564 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.6

Radius: 4.2

Gravity: 19.48 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 5.81 AU - 6.77 AU

Year: 10700 Days

Day: 16.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,653,206 km

• M1: 52,210 km (0.114 R)
• M2: 284,236 km (0.101 R)
• M3: 431,291 km (0.073 R)
• M4: 616,194 km (0.117 R)
• M5: 784,342 km (0.079 R)
• M6: 4,819,894 km (0.079 R)
• M7: 5,942,476 km (0.102 R)
• M8: 6,493,146 km (0.088 R)
• M9: 7,382,206 km (0.042 R)
• M10: 11,233,454 km (0.092 R)
• M11: 21,512,473 km (0.114 R)
• M12: 31,645,634 km (0.078 R)
• M13: 35,254,982 km (0.108 R)
• M14: 36,591,639 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.3

Radius: 6.1

Gravity: 15.51 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.15 AU - 8.31 AU

Year: 11842 Days

Day: 16.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,653,206 km

• M1: 75,846 km (0.086 R)
• M2: 290,968 km (0.038 R)
• M3: 607,367 km (0.061 R)
• M4: 1,861,446 km (0.063 R)
• M5: 2,476,294 km (0.1 R)
• M6: 2,986,123 km (0.078 R)
• M7: 5,992,741 km (0.104 R)
• M8: 9,348,521 km (0.093 R)
• M9: 10,788,550 km (0.059 R)
• M10: 12,019,291 km (0.077 R)
• M11: 12,971,183 km (0.082 R)
• M12: 14,889,626 km (0.088 R)
• M13: 16,268,918 km (0.066 R)
• M14: 17,136,286 km (0.114 R)
• M15: 18,186,613 km (0.102 R)
• M16: 21,423,313 km (0.051 R)
• M17: 22,818,911 km (0.07 R)
• M18: 28,696,462 km (0.057 R)
• M19: 29,641,023 km (0.117 R)
• M20: 33,512,017 km (0.092 R)
• M21: 38,082,083 km (0.096 R)
• M22: 40,777,388 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 35.4

Radius: 6

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.69 AU - 11.65 AU

Year: 20395 Days

Day: 23.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,653,206 km

• M1: 78,838 km (0.115 R)
• M2: 506,239 km (0.111 R)
• M3: 936,034 km (0.084 R)
• M4: 1,584,840 km (0.062 R)
• M5: 1,935,198 km (0.107 R)
• M6: 2,211,655 km (0.093 R)
• M7: 2,844,155 km (0.062 R)
• M8: 5,131,057 km (0.11 R)
• M9: 15,294,737 km (0.086 R)
• M10: 19,326,549 km (0.053 R)
• M11: 20,128,543 km (0.099 R)
• M12: 20,675,473 km (0.112 R)
• M13: 22,667,817 km (0.062 R)
• M14: 25,018,897 km (0.106 R)
• M15: 25,492,076 km (0.115 R)
• M16: 26,700,976 km (0.054 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.7

Radius: 6.8

Gravity: 16.32 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.96 AU - 10.36 AU

Year: 21965 Days

Day: 16.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,653,206 km

• M1: 85,121 km (0.074 R)
• M2: 350,059 km (0.062 R)
• M3: 713,731 km (0.077 R)
• M4: 938,427 km (0.08 R)
• M5: 1,197,082 km (0.104 R)
• M6: 1,421,928 km (0.119 R)
• M7: 1,657,395 km (0.113 R)
• M8: 2,060,112 km (0.09 R)
• M9: 3,698,359 km (0.044 R)
• M10: 4,562,436 km (0.104 R)
• M11: 7,251,906 km (0.05 R)
• M12: 9,154,343 km (0.103 R)
• M13: 9,976,682 km (0.109 R)
• M14: 10,405,729 km (0.094 R)
• M15: 13,097,892 km (0.098 R)
• M16: 14,603,894 km (0.045 R)
• M17: 14,839,361 km (0.051 R)
• M18: 18,225,808 km (0.068 R)
• M19: 19,523,270 km (0.099 R)
• M20: 21,381,276 km (0.099 R)
• M21: 23,247,060 km (0.09 R)
• M22: 24,329,251 km (0.078 R)
• M23: 26,945,120 km (0.091 R)
• M24: 27,777,033 km (0.082 R)
• M25: 30,375,399 km (0.105 R)
• M26: 31,276,427 km (0.071 R)
• M27: 32,062,713 km (0.085 R)
• M28: 41,287,217 km (0.112 R)
• M29: 48,911,772 km (0.119 R)
• M30: 51,044,738 km (0.101 R)
• M31: 55,114,698 km (0.12 R)
• M32: 57,228,665 km (0.089 R)
• M33: 66,010,958 km (0.028 R)
• M34: 70,385,200 km (0.106 R)
• M35: 80,436,232 km (0.059 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 16,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit