🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.74 AU - 3.24 AU

Year: 1834 Days

Day: 35.2 Hours

Environment

Temp: -102 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.18 AU - 4.08 AU

Year: 2454 Days

Day: 38.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.9

Radius: 9.6

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.75 AU - 6.93 AU

Year: 5663 Days

Day: 6.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,313,706 km

• M1: 119,977 km (0.047 R)
• M2: 479,162 km (0.083 R)
• M3: 784,940 km (0.116 R)
• M4: 1,119,740 km (0.069 R)
• M5: 1,422,227 km (0.113 R)
• M6: 2,473,601 km (0.114 R)
• M7: 4,911,148 km (0.072 R)
• M8: 5,561,151 km (0.062 R)
• M9: 5,922,580 km (0.116 R)
• M10: 6,331,730 km (0.102 R)
• M11: 7,067,003 km (0.114 R)
• M12: 9,488,993 km (0.103 R)
• M13: 10,496,684 km (0.069 R)
• M14: 12,065,068 km (0.096 R)
• M15: 12,723,897 km (0.078 R)
• M16: 13,246,891 km (0.045 R)
• M17: 16,383,211 km (0.08 R)
• M18: 22,454,341 km (0.11 R)
• M19: 26,957,387 km (0.037 R)
• M20: 28,790,559 km (0.118 R)
• M21: 30,798,761 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.2

Radius: 14.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 9.01 AU - 9.73 AU

Year: 10175 Days

Day: 9.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,313,706 km

• M1: 191,485 km (0.048 R)
• M2: 686,654 km (0.119 R)
• M3: 1,455,886 km (0.054 R)
• M4: 2,228,111 km (0.113 R)
• M5: 3,581,822 km (0.073 R)
• M6: 4,283,885 km (0.035 R)
• M7: 5,226,351 km (0.083 R)
• M8: 7,048,603 km (0.112 R)
• M9: 8,680,267 km (0.118 R)
• M10: 10,309,388 km (0.096 R)
• M11: 12,680,364 km (0.112 R)
• M12: 14,417,046 km (0.072 R)
• M13: 16,144,004 km (0.037 R)
• M14: 17,484,102 km (0.05 R)
• M15: 22,353,512 km (0.026 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679.6

Radius: 3.6

Gravity: 52.44 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 13.06 AU - 14 AU

Year: 17656 Days

Day: 23.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,313,706 km

• M1: 45,478 km (0.071 R)
• M2: 171,439 km (0.113 R)
• M3: 399,875 km (0.114 R)
• M4: 570,267 km (0.045 R)
• M5: 818,749 km (0.111 R)
• M6: 1,161,627 km (0.054 R)
• M7: 1,694,645 km (0.064 R)
• M8: 1,873,115 km (0.119 R)
• M9: 2,374,866 km (0.117 R)
• M10: 3,438,507 km (0.119 R)
• M11: 3,965,690 km (0.081 R)
• M12: 5,252,531 km (0.092 R)
• M13: 5,555,018 km (0.048 R)
• M14: 5,949,358 km (0.076 R)
• M15: 6,278,174 km (0.085 R)
• M16: 7,908,641 km (0.076 R)
• M17: 8,205,443 km (0.117 R)
• M18: 8,407,400 km (0.051 R)
• M19: 10,317,915 km (0.03 R)
• M20: 11,095,524 km (0.053 R)
• M21: 12,499,201 km (0.117 R)
• M22: 12,699,363 km (0.113 R)
• M23: 17,001,948 km (0.109 R)
• M24: 17,330,165 km (0.112 R)
• M25: 19,299,621 km (0.079 R)
• M26: 21,035,256 km (0.116 R)
• M27: 22,183,419 km (0.068 R)
• M28: 22,971,651 km (0.085 R)
• M29: 23,473,701 km (0.089 R)
• M30: 25,662,318 km (0.104 R)
• M31: 29,487,835 km (0.054 R)
• M32: 32,280,528 km (0.098 R)
• M33: 38,244,396 km (0.109 R)
• M34: 45,214,460 km (0.073 R)
• M35: 46,319,989 km (0.108 R)
• M36: 50,246,933 km (0.1 R)
• M37: 52,810,741 km (0.032 R)
• M38: 53,508,765 km (0.083 R)
• M39: 57,827,207 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.9

Radius: 6.6

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 15.18 AU - 17.3 AU

Year: 23218 Days

Day: 23.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,313,706 km

• M1: 82,129 km (0.078 R)
• M2: 810,222 km (0.114 R)
• M3: 1,023,100 km (0.116 R)
• M4: 1,662,032 km (0.027 R)
• M5: 3,104,605 km (0.112 R)
• M6: 4,712,333 km (0.075 R)
• M7: 5,125,672 km (0.1 R)
• M8: 8,083,072 km (0.105 R)
• M9: 8,982,305 km (0.098 R)
• M10: 10,113,863 km (0.079 R)
• M11: 11,216,848 km (0.083 R)
• M12: 11,766,321 km (0.11 R)
• M13: 12,918,973 km (0.118 R)
• M14: 13,252,127 km (0.103 R)
• M15: 14,642,191 km (0.072 R)
• M16: 16,126,800 km (0.119 R)
• M17: 16,357,929 km (0.112 R)
• M18: 18,961,829 km (0.092 R)
• M19: 19,305,605 km (0.114 R)
• M20: 20,722,447 km (0.09 R)
• M21: 21,271,172 km (0.063 R)
• M22: 23,366,439 km (0.085 R)
• M23: 24,769,069 km (0.116 R)
• M24: 26,869,124 km (0.073 R)
• M25: 28,971,273 km (0.04 R)
• M26: 29,888,308 km (0.113 R)
• M27: 31,061,604 km (0.073 R)
• M28: 44,229,209 km (0.093 R)
• M29: 45,138,465 km (0.089 R)
• M30: 46,994,077 km (0.096 R)
• M31: 47,308,232 km (0.117 R)
• M32: 57,397,113 km (0.117 R)
• M33: 58,841,929 km (0.053 R)
• M34: 63,705,056 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232.8

Radius: 3

Gravity: 25.87 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 17.09 AU - 23.51 AU

Year: 32448 Days

Day: 17.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 73,313,706 km

• M1: 37,250 km (0.12 R)
• M2: 289,621 km (0.113 R)
• M3: 423,362 km (0.11 R)
• M4: 606,171 km (0.109 R)
• M5: 860,936 km (0.074 R)
• M6: 1,611,618 km (0.052 R)
• M7: 2,393,716 km (0.09 R)
• M8: 3,371,338 km (0.103 R)
• M9: 4,553,310 km (0.11 R)
• M10: 4,656,982 km (0.066 R)
• M11: 5,388,964 km (0.114 R)
• M12: 5,505,052 km (0.043 R)
• M13: 5,904,030 km (0.11 R)
• M14: 7,841,023 km (0.117 R)
• M15: 9,418,383 km (0.092 R)
• M16: 10,519,872 km (0.092 R)
• M17: 11,195,306 km (0.035 R)
• M18: 11,704,388 km (0.101 R)
• M19: 11,899,164 km (0.037 R)
• M20: 13,536,214 km (0.086 R)
• M21: 14,113,662 km (0.106 R)
• M22: 15,944,291 km (0.042 R)
• M23: 16,183,647 km (0.08 R)
• M24: 21,683,763 km (0.073 R)
• M25: 22,875,010 km (0.102 R)
• M26: 22,976,288 km (0.047 R)
• M27: 23,900,504 km (0.088 R)
• M28: 24,424,545 km (0.103 R)
• M29: 26,709,503 km (0.12 R)
• M30: 29,014,208 km (0.089 R)
• M31: 32,331,092 km (0.114 R)
• M32: 32,586,306 km (0.061 R)
• M33: 35,348,481 km (0.058 R)
• M34: 40,291,943 km (0.095 R)
• M35: 44,563,411 km (0.04 R)
• M36: 45,997,904 km (0.075 R)
• M37: 47,134,699 km (0.111 R)
• M38: 51,694,891 km (0.062 R)
• M39: 52,746,713 km (0.081 R)
• M40: 53,455,807 km (0.083 R)
• M41: 62,862,671 km (0.099 R)
• M42: 65,070,436 km (0.103 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 15,412 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit