🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.08 AU - 1.68 AU

Year: 621 Days

Day: 33.2 Hours

Environment

Temp: -49 °C

Axial Tilt: 45.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.44 AU - 1.46 AU

Year: 669 Days

Day: 12.3 Hours

Environment

Temp: -56 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.08 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.4

Radius: 11.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.68 AU - 6.74 AU

Year: 6655 Days

Day: 7.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 116.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 114,521,437 km

• M1: 146,756 km (0.114 R)
• M2: 744,997 km (0.103 R)
• M3: 1,128,417 km (0.083 R)
• M4: 1,553,275 km (0.072 R)
• M5: 2,071,332 km (0.111 R)
• M6: 2,808,401 km (0.084 R)
• M7: 4,186,496 km (0.072 R)
• M8: 4,880,481 km (0.1 R)
• M9: 5,620,841 km (0.109 R)
• M10: 6,986,370 km (0.114 R)
• M11: 7,604,658 km (0.112 R)
• M12: 8,184,649 km (0.077 R)
• M13: 8,561,935 km (0.089 R)
• M14: 9,975,186 km (0.064 R)
• M15: 14,754,389 km (0.107 R)
• M16: 15,145,139 km (0.102 R)
• M17: 16,181,852 km (0.093 R)
• M18: 17,081,384 km (0.119 R)
• M19: 18,077,257 km (0.102 R)
• M20: 20,184,792 km (0.107 R)
• M21: 21,797,307 km (0.111 R)
• M22: 22,524,652 km (0.117 R)

Asteroid Belt

Center: 9.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.4

Radius: 5.6

Gravity: 30.66 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 12.75 AU - 13.41 AU

Year: 18113 Days

Day: 19.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 114,521,437 km

• M1: 69,713 km (0.102 R)
• M2: 307,573 km (0.076 R)
• M3: 828,772 km (0.102 R)
• M4: 3,146,193 km (0.068 R)
• M5: 5,092,611 km (0.065 R)
• M6: 5,930,359 km (0.066 R)
• M7: 7,724,037 km (0.104 R)
• M8: 8,500,899 km (0.12 R)
• M9: 10,514,486 km (0.075 R)
• M10: 13,181,218 km (0.062 R)
• M11: 15,938,756 km (0.105 R)
• M12: 20,566,416 km (0.097 R)
• M13: 23,499,881 km (0.09 R)
• M14: 24,032,449 km (0.099 R)
• M15: 25,566,127 km (0.091 R)
• M16: 34,495,025 km (0.111 R)
• M17: 40,862,359 km (0.079 R)
• M18: 45,297,188 km (0.097 R)
• M19: 47,630,466 km (0.106 R)
• M20: 54,921,866 km (0.047 R)
• M21: 67,520,251 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 71.2

Radius: 3.2

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 13.78 AU - 15.92 AU

Year: 21911 Days

Day: 23 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 114,521,437 km

• M1: 44,879 km (0.076 R)
• M2: 148,551 km (0.116 R)
• M3: 339,138 km (0.091 R)
• M4: 591,510 km (0.097 R)
• M5: 937,679 km (0.093 R)
• M6: 1,127,968 km (0.096 R)
• M7: 2,470,459 km (0.072 R)
• M8: 3,431,925 km (0.095 R)
• M9: 4,590,560 km (0.09 R)
• M10: 5,107,421 km (0.099 R)
• M11: 5,379,988 km (0.073 R)
• M12: 7,297,833 km (0.087 R)
• M13: 9,312,168 km (0.093 R)
• M14: 9,536,415 km (0.106 R)
• M15: 11,208,770 km (0.117 R)
• M16: 11,720,245 km (0.071 R)
• M17: 11,929,084 km (0.103 R)
• M18: 13,690,599 km (0.082 R)
• M19: 16,843,823 km (0.061 R)
• M20: 18,132,459 km (0.025 R)
• M21: 18,552,530 km (0.076 R)
• M22: 19,050,990 km (0.091 R)
• M23: 20,903,909 km (0.092 R)
• M24: 28,565,713 km (0.079 R)
• M25: 31,989,261 km (0.096 R)
• M26: 32,808,459 km (0.113 R)
• M27: 35,785,755 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.5

Radius: 4.5

Gravity: 16.62 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 11.9 AU - 18.14 AU

Year: 22288 Days

Day: 20.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 114,521,437 km

• M1: 92,900 km (0.071 R)
• M2: 240,553 km (0.096 R)
• M3: 425,756 km (0.077 R)
• M4: 820,096 km (0.029 R)
• M5: 1,176,138 km (0.091 R)
• M6: 1,339,200 km (0.111 R)
• M7: 1,779,467 km (0.063 R)
• M8: 2,168,720 km (0.062 R)
• M9: 2,352,127 km (0.112 R)
• M10: 3,217,102 km (0.087 R)
• M11: 4,090,305 km (0.061 R)
• M12: 5,661,531 km (0.081 R)
• M13: 7,366,349 km (0.118 R)
• M14: 8,019,194 km (0.09 R)
• M15: 10,783,314 km (0.092 R)
• M16: 13,637,641 km (0.092 R)
• M17: 15,053,884 km (0.118 R)
• M18: 20,870,997 km (0.057 R)
• M19: 25,138,576 km (0.104 R)
• M20: 25,657,531 km (0.084 R)
• M21: 25,867,117 km (0.047 R)
• M22: 33,691,086 km (0.109 R)
• M23: 35,606,537 km (0.076 R)
• M24: 40,355,821 km (0.093 R)
• M25: 42,076,496 km (0.067 R)
• M26: 44,748,463 km (0.097 R)
• M27: 52,590,533 km (0.085 R)
• M28: 54,296,098 km (0.105 R)
• M29: 64,532,931 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.7

Radius: 7.8

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 13.65 AU - 16.71 AU

Year: 22645 Days

Day: 24.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 114,521,437 km

• M1: 102,325 km (0.061 R)
• M2: 364,420 km (0.119 R)
• M3: 647,460 km (0.081 R)
• M4: 1,042,996 km (0.079 R)
• M5: 2,235,890 km (0.056 R)
• M6: 2,580,264 km (0.082 R)
• M7: 2,880,956 km (0.116 R)
• M8: 3,261,234 km (0.099 R)
• M9: 3,674,872 km (0.113 R)
• M10: 4,715,325 km (0.113 R)
• M11: 5,013,324 km (0.066 R)
• M12: 5,729,748 km (0.074 R)
• M13: 5,983,167 km (0.088 R)
• M14: 6,512,594 km (0.11 R)
• M15: 6,929,822 km (0.096 R)
• M16: 7,315,635 km (0.053 R)
• M17: 7,921,058 km (0.077 R)
• M18: 8,779,749 km (0.071 R)
• M19: 10,617,858 km (0.099 R)
• M20: 17,033,812 km (0.12 R)
• M21: 20,546,968 km (0.102 R)
• M22: 20,942,804 km (0.108 R)
• M23: 25,185,250 km (0.083 R)
• M24: 26,212,988 km (0.078 R)
• M25: 26,561,700 km (0.104 R)
• M26: 29,967,296 km (0.077 R)
• M27: 30,733,237 km (0.076 R)
• M28: 31,774,588 km (0.071 R)
• M29: 33,109,150 km (0.12 R)
• M30: 39,579,408 km (0.093 R)
• M31: 44,167,275 km (0.054 R)
• M32: 47,015,020 km (0.108 R)
• M33: 51,421,874 km (0.052 R)
• M34: 53,259,086 km (0.066 R)
• M35: 59,232,080 km (0.088 R)
• M36: 67,144,012 km (0.088 R)
• M37: 71,577,944 km (0.087 R)
• M38: 72,487,499 km (0.088 R)
• M39: 73,635,363 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 96.9

Radius: 3.4

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 15.07 AU - 15.97 AU

Year: 23410 Days

Day: 22.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 114,521,437 km

• M1: 42,336 km (0.09 R)
• M2: 187,745 km (0.053 R)
• M3: 1,018,313 km (0.109 R)
• M4: 1,417,290 km (0.069 R)
• M5: 1,756,129 km (0.116 R)
• M6: 2,964,581 km (0.06 R)
• M7: 3,324,813 km (0.077 R)
• M8: 4,324,276 km (0.038 R)
• M9: 5,092,012 km (0.113 R)
• M10: 5,217,824 km (0.064 R)
• M11: 5,508,194 km (0.065 R)
• M12: 6,854,425 km (0.043 R)
• M13: 7,644,302 km (0.106 R)
• M14: 8,449,138 km (0.058 R)
• M15: 9,031,223 km (0.105 R)
• M16: 12,291,410 km (0.11 R)
• M17: 13,935,640 km (0.089 R)
• M18: 14,120,094 km (0.057 R)
• M19: 15,196,002 km (0.117 R)
• M20: 16,806,423 km (0.117 R)
• M21: 20,758,201 km (0.07 R)
• M22: 22,735,136 km (0.052 R)
• M23: 29,715,523 km (0.093 R)
• M24: 32,974,662 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.4

Radius: 3.6

Gravity: 72.95 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 18.57 AU - 19.21 AU

Year: 31435 Days

Day: 20.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 114,521,437 km

• M1: 46,824 km (0.062 R)
• M2: 960,568 km (0.068 R)
• M3: 1,089,820 km (0.064 R)
• M4: 1,876,705 km (0.061 R)
• M5: 2,033,633 km (0.117 R)
• M6: 2,584,752 km (0.108 R)
• M7: 4,426,152 km (0.089 R)
• M8: 7,371,285 km (0.087 R)
• M9: 7,649,538 km (0.112 R)
• M10: 8,894,790 km (0.118 R)
• M11: 9,598,199 km (0.093 R)
• M12: 10,064,795 km (0.116 R)
• M13: 11,480,739 km (0.12 R)
• M14: 12,863,921 km (0.105 R)
• M15: 16,609,852 km (0.065 R)
• M16: 17,281,396 km (0.09 R)
• M17: 17,574,608 km (0.098 R)
• M18: 20,582,573 km (0.12 R)
• M19: 24,158,710 km (0.105 R)
• M20: 24,771,762 km (0.047 R)
• M21: 25,647,358 km (0.081 R)
• M22: 25,901,226 km (0.084 R)
• M23: 27,592,579 km (0.115 R)
• M24: 30,054,212 km (0.103 R)
• M25: 46,058,342 km (0.069 R)
• M26: 47,189,751 km (0.059 R)
• M27: 50,495,864 km (0.045 R)
• M28: 51,094,854 km (0.103 R)
• M29: 51,901,036 km (0.088 R)
• M30: 53,331,940 km (0.101 R)
• M31: 64,793,830 km (0.087 R)
• M32: 81,566,145 km (0.118 R)
• M33: 86,881,058 km (0.083 R)
• M34: 92,124,912 km (0.104 R)
• M35: 94,219,731 km (0.053 R)
• M36: 97,575,660 km (0.066 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 14,192 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit