🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.53 AU - 0.75 AU

Year: 219 Days

Day: 29.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 44.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 84,013,430 km

• M1: 412,591 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.74 AU - 0.92 AU

Year: 323 Days

Day: 45.8 Hours

Environment

Temp: -28 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,013,430 km

• M1: 565,330 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.9

Radius: 8.8

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.28 AU - 3.7 AU

Year: 2210 Days

Day: 7.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,013,430 km

• M1: 109,805 km (0.12 R)
• M2: 463,155 km (0.103 R)
• M3: 863,778 km (0.116 R)
• M4: 1,377,348 km (0.065 R)
• M5: 1,804,150 km (0.111 R)
• M6: 2,366,339 km (0.052 R)
• M7: 2,648,630 km (0.055 R)
• M8: 3,552,501 km (0.094 R)
• M9: 4,474,173 km (0.04 R)
• M10: 4,868,364 km (0.057 R)
• M11: 5,306,984 km (0.089 R)
• M12: 5,591,669 km (0.054 R)
• M13: 6,263,663 km (0.109 R)
• M14: 6,631,823 km (0.096 R)
• M15: 9,059,946 km (0.077 R)
• M16: 10,489,503 km (0.036 R)
• M17: 11,474,157 km (0.079 R)
• M18: 11,914,423 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 12.9

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.8 AU - 4.48 AU

Year: 2969 Days

Day: 12.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,013,430 km

• M1: 160,369 km (0.096 R)
• M2: 564,283 km (0.081 R)
• M3: 1,349,522 km (0.071 R)
• M4: 2,105,740 km (0.119 R)
• M5: 2,946,480 km (0.12 R)
• M6: 3,880,419 km (0.106 R)
• M7: 4,681,067 km (0.094 R)
• M8: 5,538,562 km (0.092 R)
• M9: 7,817,985 km (0.071 R)
• M10: 8,677,873 km (0.073 R)
• M11: 9,784,299 km (0.109 R)
• M12: 10,625,189 km (0.095 R)
• M13: 11,225,675 km (0.034 R)
• M14: 12,061,478 km (0.082 R)
• M15: 13,623,579 km (0.105 R)
• M16: 15,980,045 km (0.107 R)
• M17: 16,930,141 km (0.066 R)
• M18: 17,364,274 km (0.114 R)
• M19: 17,917,337 km (0.117 R)
• M20: 19,293,039 km (0.036 R)
• M21: 20,370,144 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.8

Radius: 12.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.26 AU - 5.3 AU

Year: 3785 Days

Day: 12.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,013,430 km

• M1: 157,227 km (0.118 R)
• M2: 586,573 km (0.08 R)
• M3: 991,983 km (0.088 R)
• M4: 1,890,618 km (0.104 R)
• M5: 2,746,916 km (0.083 R)
• M6: 3,218,000 km (0.118 R)
• M7: 3,909,142 km (0.106 R)
• M8: 4,602,079 km (0.078 R)
• M9: 5,116,846 km (0.099 R)
• M10: 5,669,909 km (0.109 R)
• M11: 6,927,279 km (0.115 R)
• M12: 8,686,700 km (0.089 R)
• M13: 9,245,448 km (0.054 R)
• M14: 9,987,603 km (0.088 R)
• M15: 10,981,531 km (0.075 R)
• M16: 12,268,970 km (0.111 R)
• M17: 13,803,695 km (0.093 R)
• M18: 15,570,894 km (0.067 R)
• M19: 16,118,273 km (0.044 R)
• M20: 17,542,894 km (0.05 R)
• M21: 18,376,453 km (0.069 R)
• M22: 20,838,235 km (0.101 R)
• M23: 22,596,908 km (0.076 R)
• M24: 23,512,297 km (0.115 R)
• M25: 24,379,217 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.8

Radius: 11.7

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.22 AU - 8.28 AU

Year: 8345 Days

Day: 13.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 84,013,430 km

• M1: 146,157 km (0.036 R)
• M2: 516,262 km (0.098 R)
• M3: 1,018,462 km (0.088 R)
• M4: 1,559,707 km (0.03 R)
• M5: 2,072,230 km (0.118 R)
• M6: 2,520,126 km (0.077 R)
• M7: 4,650,998 km (0.106 R)
• M8: 5,140,183 km (0.082 R)
• M9: 7,023,919 km (0.116 R)
• M10: 7,855,683 km (0.075 R)
• M11: 8,631,348 km (0.089 R)
• M12: 10,290,090 km (0.081 R)
• M13: 11,507,966 km (0.079 R)
• M14: 12,001,340 km (0.088 R)
• M15: 12,715,520 km (0.111 R)
• M16: 14,625,286 km (0.087 R)
• M17: 15,381,055 km (0.116 R)
• M18: 16,594,593 km (0.102 R)
• M19: 18,133,655 km (0.112 R)
• M20: 19,006,110 km (0.057 R)
• M21: 19,696,056 km (0.117 R)
• M22: 22,394,951 km (0.046 R)
• M23: 22,777,772 km (0.114 R)
• M24: 24,433,072 km (0.108 R)
• M25: 28,337,128 km (0.107 R)
• M26: 29,879,482 km (0.074 R)
• M27: 32,638,515 km (0.094 R)
• M28: 33,031,958 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.7

Radius: 10.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.56 AU - 9.2 AU

Year: 8571 Days

Day: 10.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,013,430 km

• M1: 125,812 km (0.083 R)
• M2: 563,236 km (0.038 R)
• M3: 1,165,816 km (0.089 R)
• M4: 2,332,081 km (0.079 R)
• M5: 3,747,277 km (0.099 R)
• M6: 4,127,555 km (0.064 R)
• M7: 6,342,950 km (0.063 R)
• M8: 6,915,910 km (0.054 R)
• M9: 9,521,456 km (0.082 R)
• M10: 11,278,931 km (0.068 R)
• M11: 12,211,674 km (0.074 R)
• M12: 12,767,281 km (0.063 R)
• M13: 13,146,960 km (0.106 R)
• M14: 14,845,494 km (0.048 R)
• M15: 16,350,449 km (0.064 R)
• M16: 19,977,000 km (0.089 R)
• M17: 20,296,093 km (0.082 R)
• M18: 21,010,273 km (0.055 R)
• M19: 23,323,654 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.2

Radius: 8.9

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.82 AU - 8.36 AU

Year: 9837 Days

Day: 13.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 84,013,430 km

• M1: 111,151 km (0.07 R)
• M2: 432,936 km (0.088 R)
• M3: 1,122,732 km (0.088 R)
• M4: 1,734,587 km (0.086 R)
• M5: 2,534,637 km (0.085 R)
• M6: 4,196,519 km (0.09 R)
• M7: 4,526,832 km (0.102 R)
• M8: 4,844,877 km (0.077 R)
• M9: 5,365,926 km (0.057 R)
• M10: 8,902,569 km (0.072 R)
• M11: 9,637,394 km (0.076 R)
• M12: 10,362,495 km (0.089 R)
• M13: 12,473,919 km (0.118 R)
• M14: 18,607,282 km (0.106 R)
• M15: 25,665,011 km (0.032 R)
• M16: 27,434,305 km (0.112 R)
• M17: 28,202,939 km (0.096 R)
• M18: 30,903,629 km (0.103 R)
• M19: 32,157,558 km (0.063 R)
• M20: 38,103,176 km (0.106 R)
• M21: 39,910,169 km (0.111 R)
• M22: 42,790,676 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228

Radius: 7.1

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.65 AU - 12.07 AU

Year: 14255 Days

Day: 20.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,013,430 km

• M1: 92,152 km (0.081 R)
• M2: 345,571 km (0.091 R)
• M3: 676,033 km (0.079 R)
• M4: 990,338 km (0.111 R)
• M5: 1,303,147 km (0.076 R)
• M6: 1,782,608 km (0.069 R)
• M7: 2,047,247 km (0.06 R)
• M8: 3,089,196 km (0.087 R)
• M9: 5,527,941 km (0.026 R)
• M10: 9,294,217 km (0.118 R)
• M11: 10,940,840 km (0.085 R)
• M12: 16,759,898 km (0.103 R)
• M13: 19,557,079 km (0.06 R)
• M14: 37,004,081 km (0.058 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.9

Radius: 5.1

Gravity: 35.48 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 10.49 AU - 15.47 AU

Year: 19991 Days

Day: 21.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 84,013,430 km

• M1: 63,429 km (0.092 R)
• M2: 247,884 km (0.088 R)
• M3: 468,690 km (0.109 R)
• M4: 1,643,482 km (0.065 R)
• M5: 2,006,855 km (0.111 R)
• M6: 2,866,146 km (0.111 R)
• M7: 3,333,938 km (0.034 R)
• M8: 3,980,201 km (0.09 R)
• M9: 5,934,398 km (0.064 R)
• M10: 6,599,360 km (0.032 R)
• M11: 6,878,660 km (0.104 R)
• M12: 8,449,737 km (0.059 R)
• M13: 10,939,494 km (0.087 R)
• M14: 13,803,246 km (0.091 R)
• M15: 14,183,524 km (0.12 R)
• M16: 14,648,923 km (0.051 R)
• M17: 15,610,388 km (0.048 R)
• M18: 16,443,050 km (0.06 R)
• M19: 16,698,563 km (0.051 R)
• M20: 19,782,074 km (0.06 R)
• M21: 21,054,853 km (0.075 R)
• M22: 25,539,199 km (0.109 R)
• M23: 28,245,574 km (0.1 R)
• M24: 29,605,119 km (0.114 R)
• M25: 30,878,197 km (0.084 R)
• M26: 33,533,260 km (0.105 R)
• M27: 41,297,091 km (0.1 R)
• M28: 41,611,396 km (0.119 R)
• M29: 41,927,346 km (0.06 R)
• M30: 44,020,221 km (0.088 R)
• M31: 44,348,289 km (0.063 R)
• M32: 49,820,878 km (0.099 R)
• M33: 50,894,841 km (0.115 R)
• M34: 52,167,021 km (0.045 R)
• M35: 52,350,428 km (0.029 R)
• M36: 52,903,492 km (0.114 R)
• M37: 79,076,537 km (0.115 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: 266 - 18,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit