🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.49 AU - 0.59 AU

Year: 256 Days

Day: 12.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 82,562,597 km

• M1: 553,363 km (0.11 R)
• M2: 666,608 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.61 AU - 0.73 AU

Year: 354 Days

Day: 33.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.4

Radius: 14.7

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.96 AU - 1.36 AU

Year: 807 Days

Day: 6.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,562,597 km

• M1: 208,390 km (0.045 R)
• M2: 513,569 km (0.102 R)
• M3: 924,216 km (0.056 R)
• M4: 1,301,950 km (0.065 R)
• M5: 1,636,152 km (0.087 R)
• M6: 1,955,992 km (0.103 R)
• M7: 2,352,726 km (0.051 R)
• M8: 2,730,311 km (0.098 R)
• M9: 3,576,287 km (0.079 R)
• M10: 4,008,325 km (0.116 R)
• M11: 4,504,691 km (0.12 R)
• M12: 5,004,348 km (0.093 R)
• M13: 5,347,825 km (0.102 R)
• M14: 6,130,222 km (0.12 R)
• M15: 6,604,297 km (0.12 R)
• M16: 6,967,820 km (0.057 R)
• M17: 7,928,837 km (0.111 R)
• M18: 8,240,000 km (0.073 R)
• M19: 8,718,265 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.3

Radius: 13.5

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.63 AU - 2.61 AU

Year: 1993 Days

Day: 6.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,562,597 km

• M1: 179,817 km (0.088 R)
• M2: 543,339 km (0.114 R)
• M3: 1,382,584 km (0.099 R)
• M4: 1,766,900 km (0.118 R)
• M5: 2,043,208 km (0.112 R)
• M6: 2,948,574 km (0.09 R)
• M7: 3,360,567 km (0.042 R)
• M8: 3,622,961 km (0.03 R)
• M9: 4,303,183 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.1

Radius: 10.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.06 AU - 3.76 AU

Year: 4066 Days

Day: 12 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,562,597 km

• M1: 133,890 km (0.084 R)
• M2: 377,136 km (0.095 R)
• M3: 1,180,926 km (0.085 R)
• M4: 1,782,907 km (0.11 R)
• M5: 2,079,560 km (0.1 R)
• M6: 2,720,587 km (0.086 R)
• M7: 3,268,115 km (0.078 R)
• M8: 3,554,296 km (0.069 R)
• M9: 4,892,598 km (0.09 R)
• M10: 6,215,193 km (0.085 R)
• M11: 6,712,307 km (0.056 R)
• M12: 6,999,236 km (0.094 R)
• M13: 7,591,494 km (0.083 R)
• M14: 8,434,328 km (0.107 R)
• M15: 9,226,748 km (0.106 R)
• M16: 10,005,405 km (0.111 R)
• M17: 10,893,867 km (0.1 R)
• M18: 11,207,274 km (0.086 R)
• M19: 11,739,543 km (0.111 R)
• M20: 12,394,932 km (0.039 R)
• M21: 12,701,308 km (0.092 R)
• M22: 13,527,088 km (0.079 R)
• M23: 14,618,854 km (0.037 R)
• M24: 14,830,235 km (0.087 R)
• M25: 15,165,335 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.3

Radius: 4.6

Gravity: 11.83 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.29 AU - 6.93 AU

Year: 10973 Days

Day: 19.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 82,562,597 km

• M1: 57,296 km (0.09 R)
• M2: 345,571 km (0.072 R)
• M3: 625,917 km (0.112 R)
• M4: 760,406 km (0.106 R)
• M5: 1,121,535 km (0.094 R)
• M6: 1,371,214 km (0.108 R)
• M7: 2,153,761 km (0.07 R)
• M8: 2,480,034 km (0.03 R)
• M9: 2,652,071 km (0.058 R)
• M10: 4,166,450 km (0.11 R)
• M11: 4,490,629 km (0.106 R)
• M12: 4,670,296 km (0.046 R)
• M13: 4,986,396 km (0.046 R)
• M14: 5,203,164 km (0.115 R)
• M15: 6,086,689 km (0.056 R)
• M16: 6,756,139 km (0.061 R)
• M17: 7,297,534 km (0.102 R)
• M18: 7,592,690 km (0.093 R)
• M19: 8,235,064 km (0.079 R)
• M20: 8,689,841 km (0.078 R)
• M21: 9,413,446 km (0.113 R)
• M22: 9,673,597 km (0.066 R)
• M23: 11,635,573 km (0.107 R)
• M24: 12,856,740 km (0.115 R)
• M25: 13,913,799 km (0.088 R)
• M26: 15,960,597 km (0.091 R)
• M27: 17,236,218 km (0.108 R)
• M28: 19,242,176 km (0.038 R)
• M29: 19,720,739 km (0.112 R)
• M30: 19,935,263 km (0.109 R)
• M31: 20,151,132 km (0.117 R)
• M32: 23,120,052 km (0.047 R)
• M33: 23,761,827 km (0.069 R)
• M34: 23,938,502 km (0.068 R)
• M35: 25,132,293 km (0.069 R)
• M36: 28,052,593 km (0.11 R)
• M37: 28,308,555 km (0.117 R)
• M38: 29,343,922 km (0.092 R)
• M39: 31,200,880 km (0.108 R)
• M40: 33,114,835 km (0.096 R)
• M41: 34,658,835 km (0.066 R)
• M42: 36,237,840 km (0.104 R)
• M43: 36,455,954 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.8

Radius: 5.1

Gravity: 22.87 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.41 AU - 7.65 AU

Year: 13342 Days

Day: 23.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 82,562,597 km

• M1: 65,374 km (0.065 R)
• M2: 230,830 km (0.085 R)
• M3: 374,743 km (0.088 R)
• M4: 542,143 km (0.112 R)
• M5: 808,277 km (0.119 R)
• M6: 942,317 km (0.089 R)
• M7: 1,195,437 km (0.115 R)
• M8: 3,146,492 km (0.091 R)
• M9: 3,606,805 km (0.102 R)
• M10: 4,341,629 km (0.12 R)
• M11: 4,783,392 km (0.06 R)
• M12: 5,078,698 km (0.084 R)
• M13: 5,626,077 km (0.12 R)
• M14: 5,982,568 km (0.045 R)
• M15: 7,478,697 km (0.09 R)
• M16: 9,874,806 km (0.098 R)
• M17: 10,976,145 km (0.03 R)
• M18: 12,343,769 km (0.114 R)
• M19: 14,069,081 km (0.106 R)
• M20: 14,574,722 km (0.077 R)
• M21: 16,026,569 km (0.045 R)
• M22: 17,922,722 km (0.116 R)
• M23: 18,365,682 km (0.045 R)
• M24: 20,191,524 km (0.097 R)
• M25: 24,176,661 km (0.098 R)
• M26: 25,136,033 km (0.103 R)
• M27: 27,733,351 km (0.107 R)
• M28: 28,601,019 km (0.116 R)
• M29: 30,131,255 km (0.036 R)
• M30: 32,713,913 km (0.074 R)
• M31: 33,311,855 km (0.091 R)
• M32: 35,491,496 km (0.041 R)
• M33: 40,341,310 km (0.088 R)
• M34: 43,126,523 km (0.114 R)
• M35: 44,108,483 km (0.091 R)
• M36: 44,802,618 km (0.067 R)
• M37: 47,941,181 km (0.117 R)
• M38: 49,080,518 km (0.119 R)
• M39: 52,471,004 km (0.12 R)
• M40: 53,553,794 km (0.067 R)
• M41: 54,537,699 km (0.112 R)
• M42: 54,647,653 km (0.063 R)
• M43: 54,867,712 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937.3

Radius: 6.9

Gravity: 19.69 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.22 AU - 11.06 AU

Year: 19326 Days

Day: 24.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 82,562,597 km

• M1: 97,687 km (0.108 R)
• M2: 317,447 km (0.059 R)
• M3: 861,833 km (0.077 R)
• M4: 1,030,131 km (0.112 R)
• M5: 1,656,497 km (0.099 R)
• M6: 1,941,481 km (0.09 R)
• M7: 2,223,623 km (0.083 R)
• M8: 5,199,424 km (0.074 R)
• M9: 6,142,937 km (0.086 R)
• M10: 6,323,053 km (0.086 R)
• M11: 9,067,576 km (0.108 R)
• M12: 10,189,261 km (0.045 R)
• M13: 10,538,572 km (0.103 R)
• M14: 10,893,867 km (0.079 R)
• M15: 13,815,214 km (0.091 R)
• M16: 14,221,970 km (0.108 R)
• M17: 15,836,281 km (0.045 R)
• M18: 16,936,125 km (0.108 R)
• M19: 17,311,017 km (0.026 R)
• M20: 17,613,803 km (0.075 R)
• M21: 20,376,427 km (0.088 R)
• M22: 22,387,471 km (0.066 R)
• M23: 22,645,677 km (0.103 R)
• M24: 25,674,136 km (0.094 R)
• M25: 26,694,842 km (0.064 R)
• M26: 30,075,156 km (0.079 R)
• M27: 34,079,741 km (0.036 R)
• M28: 34,398,235 km (0.051 R)
• M29: 38,223,004 km (0.08 R)
• M30: 39,580,904 km (0.056 R)
• M31: 41,545,273 km (0.069 R)
• M32: 43,079,699 km (0.119 R)
• M33: 45,006,370 km (0.114 R)
• M34: 48,353,323 km (0.098 R)
• M35: 49,113,430 km (0.092 R)
• M36: 52,475,791 km (0.102 R)
• M37: 53,135,219 km (0.114 R)
• M38: 55,003,547 km (0.075 R)
• M39: 55,678,532 km (0.108 R)
• M40: 58,143,008 km (0.084 R)
• M41: 60,519,519 km (0.111 R)
• M42: 69,742,527 km (0.093 R)
• M43: 72,962,322 km (0.087 R)
• M44: 76,572,269 km (0.112 R)
• M45: 81,575,868 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 19,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit