🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.3

Radius: 13.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.46 AU - 0.72 AU

Year: 302 Days

Day: 8 Hours

Environment

Temp: -146 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 86,134,572 km

• M1: 168,597 km (0.108 R)
• M2: 639,980 km (0.1 R)
• M3: 1,155,644 km (0.069 R)
• M4: 1,652,458 km (0.032 R)
• M5: 2,110,527 km (0.06 R)
• M6: 3,270,209 km (0.083 R)
• M7: 4,315,001 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.9

Radius: 9.4

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.66 AU - 0.66 AU

Year: 358 Days

Day: 14.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 86,134,572 km

• M1: 124,615 km (0.117 R)
• M2: 439,967 km (0.064 R)
• M3: 758,162 km (0.089 R)
• M4: 1,193,791 km (0.119 R)
• M5: 1,787,096 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.2

Radius: 12.6

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.88 AU - 1.28 AU

Year: 748 Days

Day: 5.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,134,572 km

• M1: 156,629 km (0.097 R)
• M2: 954,883 km (0.045 R)
• M3: 1,518,568 km (0.117 R)
• M4: 2,135,360 km (0.108 R)
• M5: 3,410,682 km (0.1 R)
• M6: 3,876,530 km (0.094 R)
• M7: 4,345,220 km (0.099 R)
• M8: 4,865,970 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415

Radius: 8.6

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.52 AU - 1.92 AU

Year: 1504 Days

Day: 10.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,134,572 km

• M1: 106,962 km (0.114 R)
• M2: 452,085 km (0.07 R)
• M3: 760,556 km (0.08 R)
• M4: 1,055,413 km (0.11 R)
• M5: 1,659,340 km (0.083 R)
• M6: 2,124,290 km (0.092 R)
• M7: 3,072,291 km (0.104 R)
• M8: 3,571,200 km (0.075 R)
• M9: 3,938,613 km (0.085 R)
• M10: 4,437,821 km (0.096 R)
• M11: 4,731,033 km (0.116 R)
• M12: 5,397,192 km (0.101 R)
• M13: 5,667,815 km (0.058 R)
• M14: 6,747,163 km (0.07 R)
• M15: 7,565,015 km (0.116 R)
• M16: 8,841,683 km (0.031 R)
• M17: 9,396,691 km (0.073 R)
• M18: 10,067,937 km (0.112 R)
• M19: 11,034,339 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773

Radius: 14.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.92 AU - 2.48 AU

Year: 2176 Days

Day: 8.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,134,572 km

• M1: 181,612 km (0.117 R)
• M2: 643,869 km (0.042 R)
• M3: 1,200,373 km (0.101 R)
• M4: 2,012,391 km (0.063 R)
• M5: 3,649,739 km (0.11 R)
• M6: 4,931,943 km (0.083 R)
• M7: 5,531,980 km (0.081 R)
• M8: 10,849,885 km (0.114 R)
• M9: 11,509,312 km (0.115 R)
• M10: 13,738,320 km (0.099 R)
• M11: 14,418,392 km (0.118 R)
• M12: 14,978,487 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.9

Radius: 12

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.3 AU - 3.12 AU

Year: 2975 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 153.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,134,572 km

• M1: 149,299 km (0.093 R)
• M2: 650,152 km (0.059 R)
• M3: 1,281,306 km (0.09 R)
• M4: 1,707,061 km (0.12 R)
• M5: 2,094,819 km (0.117 R)
• M6: 3,316,286 km (0.102 R)
• M7: 4,437,073 km (0.046 R)
• M8: 5,406,766 km (0.095 R)
• M9: 5,795,122 km (0.113 R)
• M10: 6,599,211 km (0.099 R)
• M11: 7,828,756 km (0.111 R)
• M12: 8,395,283 km (0.04 R)
• M13: 9,278,060 km (0.118 R)
• M14: 10,143,932 km (0.111 R)
• M15: 12,255,656 km (0.113 R)
• M16: 13,020,400 km (0.086 R)
• M17: 15,046,703 km (0.039 R)
• M18: 15,662,448 km (0.057 R)
• M19: 16,455,616 km (0.11 R)
• M20: 19,234,097 km (0.064 R)
• M21: 20,453,170 km (0.086 R)
• M22: 21,018,351 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.6

Radius: 13.5

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.01 AU - 4.83 AU

Year: 6197 Days

Day: 8.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,134,572 km

• M1: 167,998 km (0.114 R)
• M2: 620,981 km (0.107 R)
• M3: 1,091,167 km (0.109 R)
• M4: 2,168,870 km (0.109 R)
• M5: 4,293,010 km (0.049 R)
• M6: 5,452,094 km (0.082 R)
• M7: 6,221,177 km (0.052 R)
• M8: 6,809,994 km (0.059 R)
• M9: 8,037,894 km (0.095 R)
• M10: 9,862,988 km (0.12 R)
• M11: 11,709,325 km (0.1 R)
• M12: 15,108,637 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847

Radius: 3.3

Gravity: 77.78 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.77 AU - 6.87 AU

Year: 9363 Days

Day: 18.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,134,572 km

• M1: 41,588 km (0.055 R)
• M2: 173,234 km (0.1 R)
• M3: 327,919 km (0.061 R)
• M4: 679,474 km (0.032 R)
• M5: 1,167,911 km (0.049 R)
• M6: 1,382,733 km (0.12 R)
• M7: 2,026,303 km (0.092 R)
• M8: 4,174,977 km (0.091 R)
• M9: 4,554,208 km (0.118 R)
• M10: 4,705,900 km (0.081 R)
• M11: 5,414,246 km (0.108 R)
• M12: 5,793,776 km (0.066 R)
• M13: 6,302,109 km (0.085 R)
• M14: 6,879,108 km (0.103 R)
• M15: 7,532,552 km (0.115 R)
• M16: 8,048,964 km (0.108 R)
• M17: 8,497,159 km (0.049 R)
• M18: 10,196,740 km (0.081 R)
• M19: 10,509,101 km (0.116 R)
• M20: 11,262,924 km (0.076 R)
• M21: 11,484,778 km (0.106 R)
• M22: 19,416,756 km (0.067 R)
• M23: 20,302,226 km (0.078 R)
• M24: 22,326,884 km (0.088 R)
• M25: 25,135,883 km (0.082 R)
• M26: 31,442,780 km (0.083 R)
• M27: 42,221,905 km (0.113 R)
• M28: 48,212,851 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.1

Radius: 7.5

Gravity: 16.22 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.78 AU - 10.88 AU

Year: 17497 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,134,572 km

• M1: 93,499 km (0.113 R)
• M2: 1,048,232 km (0.05 R)
• M3: 1,288,187 km (0.118 R)
• M4: 1,548,936 km (0.084 R)
• M5: 1,808,339 km (0.119 R)
• M6: 2,199,687 km (0.025 R)
• M7: 2,891,876 km (0.114 R)
• M8: 3,206,481 km (0.064 R)
• M9: 4,223,896 km (0.057 R)
• M10: 6,173,755 km (0.12 R)
• M11: 8,657,229 km (0.07 R)
• M12: 9,942,723 km (0.045 R)
• M13: 12,337,636 km (0.027 R)
• M14: 18,231,941 km (0.099 R)
• M15: 19,490,807 km (0.096 R)
• M16: 21,486,144 km (0.036 R)
• M17: 23,823,461 km (0.115 R)
• M18: 25,656,334 km (0.115 R)
• M19: 26,437,684 km (0.073 R)
• M20: 28,283,123 km (0.101 R)
• M21: 29,844,476 km (0.045 R)
• M22: 32,616,076 km (0.082 R)
• M23: 33,665,206 km (0.07 R)
• M24: 37,943,106 km (0.106 R)
• M25: 40,586,351 km (0.097 R)
• M26: 46,072,554 km (0.096 R)
• M27: 50,280,592 km (0.046 R)
• M28: 50,627,959 km (0.1 R)
• M29: 55,289,877 km (0.083 R)
• M30: 57,156,559 km (0.103 R)
• M31: 57,914,871 km (0.115 R)
• M32: 60,621,844 km (0.09 R)
• M33: 62,405,799 km (0.028 R)
• M34: 70,542,128 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.9

Radius: 4.1

Gravity: 45.03 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 10.43 AU - 10.71 AU

Year: 22916 Days

Day: 24.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,134,572 km

• M1: 51,162 km (0.111 R)
• M2: 459,116 km (0.064 R)
• M3: 760,556 km (0.085 R)
• M4: 1,057,956 km (0.101 R)
• M5: 1,512,285 km (0.107 R)
• M6: 2,767,261 km (0.076 R)
• M7: 3,555,193 km (0.081 R)
• M8: 5,196,731 km (0.046 R)
• M9: 6,706,024 km (0.116 R)
• M10: 6,991,157 km (0.098 R)
• M11: 7,636,822 km (0.051 R)
• M12: 8,321,232 km (0.1 R)
• M13: 12,794,507 km (0.103 R)
• M14: 13,381,380 km (0.115 R)
• M15: 14,608,830 km (0.112 R)
• M16: 17,730,788 km (0.107 R)
• M17: 18,552,230 km (0.116 R)
• M18: 22,196,734 km (0.107 R)
• M19: 23,150,270 km (0.069 R)
• M20: 23,365,841 km (0.073 R)
• M21: 25,366,413 km (0.102 R)
• M22: 30,601,591 km (0.104 R)
• M23: 35,502,866 km (0.105 R)
• M24: 36,658,809 km (0.076 R)
• M25: 40,902,152 km (0.113 R)
• M26: 42,654,990 km (0.114 R)
• M27: 47,168,209 km (0.081 R)
• M28: 49,629,094 km (0.084 R)
• M29: 55,379,935 km (0.103 R)
• M30: 55,959,028 km (0.118 R)
• M31: 57,918,162 km (0.067 R)
• M32: 58,914,783 km (0.113 R)
• M33: 67,521,298 km (0.057 R)
• M34: 67,961,415 km (0.049 R)
• M35: 75,264,185 km (0.067 R)
• M36: 78,860,368 km (0.054 R)
• M37: 79,838,439 km (0.035 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 14,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit