🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.53 AU - 0.81 AU

Year: 241 Days

Day: 41.5 Hours

Environment

Temp: -2 °C

Axial Tilt: 28.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.85 AU - 1.27 AU

Year: 480 Days

Day: 15 Hours

Environment

Temp: -60 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.16 AU - 1.76 AU

Year: 776 Days

Day: 37.1 Hours

Environment

Temp: -102 °C

Axial Tilt: 13.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 73,338,548 km

• M1: 994,975 km (0.113 R)

Asteroid Belt

Center: 2.15 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.1

Radius: 12.5

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.57 AU - 3.09 AU

Year: 2093 Days

Day: 7.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 73,338,548 km

• M1: 156,330 km (0.101 R)
• M2: 725,400 km (0.1 R)
• M3: 1,210,396 km (0.106 R)
• M4: 1,757,775 km (0.095 R)
• M5: 2,665,834 km (0.103 R)
• M6: 3,643,157 km (0.1 R)
• M7: 4,056,795 km (0.062 R)
• M8: 5,301,001 km (0.098 R)
• M9: 5,784,650 km (0.111 R)
• M10: 6,403,836 km (0.102 R)
• M11: 7,124,150 km (0.118 R)
• M12: 9,196,529 km (0.066 R)
• M13: 10,708,515 km (0.117 R)
• M14: 12,049,061 km (0.047 R)
• M15: 12,931,390 km (0.12 R)
• M16: 16,538,045 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 13.4

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.18 AU - 5.38 AU

Year: 5335 Days

Day: 6.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,338,548 km

• M1: 166,951 km (0.076 R)
• M2: 768,933 km (0.085 R)
• M3: 1,247,197 km (0.047 R)
• M4: 1,701,975 km (0.106 R)
• M5: 2,332,530 km (0.084 R)
• M6: 2,830,691 km (0.081 R)
• M7: 3,881,766 km (0.062 R)
• M8: 4,561,688 km (0.06 R)
• M9: 4,984,900 km (0.118 R)
• M10: 5,972,994 km (0.098 R)
• M11: 6,679,395 km (0.105 R)
• M12: 7,476,602 km (0.112 R)
• M13: 8,297,895 km (0.061 R)
• M14: 8,810,866 km (0.066 R)
• M15: 9,429,004 km (0.077 R)
• M16: 11,363,005 km (0.088 R)
• M17: 12,096,185 km (0.088 R)
• M18: 13,657,089 km (0.037 R)
• M19: 14,206,263 km (0.11 R)
• M20: 17,751,433 km (0.097 R)
• M21: 19,555,434 km (0.093 R)
• M22: 28,890,191 km (0.115 R)
• M23: 30,348,770 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 15

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.47 AU - 8.07 AU

Year: 7745 Days

Day: 9.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,338,548 km

• M1: 186,698 km (0.109 R)
• M2: 735,423 km (0.094 R)
• M3: 1,897,649 km (0.052 R)
• M4: 2,380,102 km (0.094 R)
• M5: 3,030,554 km (0.08 R)
• M6: 3,649,440 km (0.101 R)
• M7: 5,051,770 km (0.098 R)
• M8: 6,065,446 km (0.094 R)
• M9: 7,017,187 km (0.041 R)
• M10: 8,236,709 km (0.045 R)
• M11: 9,357,347 km (0.074 R)
• M12: 10,126,579 km (0.1 R)
• M13: 10,833,878 km (0.055 R)
• M14: 11,791,603 km (0.072 R)
• M15: 12,517,901 km (0.066 R)
• M16: 14,433,352 km (0.098 R)
• M17: 15,593,184 km (0.061 R)
• M18: 17,235,171 km (0.048 R)
• M19: 17,952,492 km (0.117 R)
• M20: 21,676,133 km (0.102 R)
• M21: 22,597,058 km (0.104 R)
• M22: 26,166,912 km (0.104 R)
• M23: 30,823,295 km (0.094 R)
• M24: 33,623,169 km (0.067 R)
• M25: 34,857,201 km (0.087 R)
• M26: 36,705,932 km (0.071 R)
• M27: 37,415,774 km (0.078 R)
• M28: 38,862,984 km (0.029 R)
• M29: 45,026,715 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.2

Radius: 3.8

Gravity: 39.42 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 12.3 AU - 18.34 AU

Year: 26367 Days

Day: 19.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 73,338,548 km

• M1: 47,273 km (0.045 R)
• M2: 254,017 km (0.077 R)
• M3: 1,177,186 km (0.1 R)
• M4: 1,558,062 km (0.118 R)
• M5: 1,720,376 km (0.084 R)
• M6: 1,934,151 km (0.06 R)
• M7: 3,732,766 km (0.05 R)
• M8: 4,436,774 km (0.042 R)
• M9: 7,122,803 km (0.114 R)
• M10: 7,985,086 km (0.092 R)
• M11: 8,251,519 km (0.09 R)
• M12: 9,853,713 km (0.028 R)
• M13: 12,628,454 km (0.077 R)
• M14: 15,305,209 km (0.045 R)
• M15: 15,716,154 km (0.109 R)
• M16: 17,080,337 km (0.107 R)
• M17: 19,366,940 km (0.073 R)
• M18: 22,370,118 km (0.072 R)
• M19: 26,719,227 km (0.076 R)
• M20: 26,956,340 km (0.043 R)
• M21: 27,314,477 km (0.098 R)
• M22: 28,408,336 km (0.061 R)
• M23: 28,779,339 km (0.102 R)
• M24: 29,278,996 km (0.101 R)
• M25: 30,424,467 km (0.08 R)
• M26: 31,731,653 km (0.084 R)
• M27: 34,039,350 km (0.1 R)
• M28: 34,178,326 km (0.117 R)
• M29: 37,930,091 km (0.076 R)
• M30: 43,075,211 km (0.084 R)
• M31: 43,564,695 km (0.09 R)
• M32: 43,728,804 km (0.111 R)
• M33: 44,721,535 km (0.1 R)
• M34: 45,729,077 km (0.082 R)
• M35: 50,090,753 km (0.104 R)
• M36: 57,830,348 km (0.073 R)
• M37: 58,426,047 km (0.104 R)
• M38: 58,625,610 km (0.059 R)
• M39: 61,879,214 km (0.06 R)
• M40: 66,546,518 km (0.087 R)
• M41: 79,229,426 km (0.117 R)
• M42: 83,200,202 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.7

Radius: 6.8

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 13.56 AU - 17.72 AU

Year: 27197 Days

Day: 19.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,338,548 km

• M1: 93,199 km (0.041 R)
• M2: 555,906 km (0.065 R)
• M3: 1,641,537 km (0.075 R)
• M4: 2,042,759 km (0.045 R)
• M5: 4,429,892 km (0.066 R)
• M6: 4,772,770 km (0.097 R)
• M7: 5,827,884 km (0.064 R)
• M8: 6,155,952 km (0.037 R)
• M9: 8,441,658 km (0.086 R)
• M10: 9,974,288 km (0.049 R)
• M11: 11,619,416 km (0.071 R)
• M12: 11,877,622 km (0.094 R)
• M13: 15,129,431 km (0.064 R)
• M14: 17,374,596 km (0.061 R)
• M15: 27,540,519 km (0.027 R)
• M16: 28,348,049 km (0.1 R)
• M17: 32,495,799 km (0.081 R)
• M18: 33,919,821 km (0.116 R)
• M19: 35,115,407 km (0.113 R)
• M20: 50,005,033 km (0.104 R)
• M21: 50,346,266 km (0.051 R)
• M22: 51,552,473 km (0.094 R)
• M23: 57,499,438 km (0.082 R)
• M24: 59,770,483 km (0.096 R)
• M25: 70,091,390 km (0.051 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 15,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit