🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.44 AU - 0.62 AU

Year: 253 Days

Day: 29.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.5

Radius: 12.2

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.09 AU - 1.35 AU

Year: 884 Days

Day: 6.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,859,856 km

• M1: 166,203 km (0.084 R)
• M2: 494,421 km (0.106 R)
• M3: 945,907 km (0.118 R)
• M4: 1,262,307 km (0.083 R)
• M5: 1,663,229 km (0.066 R)
• M6: 1,912,758 km (0.108 R)
• M7: 2,449,067 km (0.064 R)
• M8: 2,946,629 km (0.068 R)
• M9: 3,433,870 km (0.092 R)
• M10: 3,698,209 km (0.112 R)
• M11: 4,011,168 km (0.109 R)
• M12: 4,525,635 km (0.057 R)
• M13: 4,986,097 km (0.118 R)
• M14: 5,394,798 km (0.085 R)
• M15: 5,666,319 km (0.072 R)
• M16: 6,310,487 km (0.113 R)
• M17: 7,126,843 km (0.069 R)
• M18: 7,616,177 km (0.037 R)
• M19: 8,531,267 km (0.109 R)
• M20: 9,028,082 km (0.044 R)
• M21: 9,659,086 km (0.114 R)
• M22: 10,023,506 km (0.107 R)
• M23: 10,730,655 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.9

Radius: 13.2

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.57 AU - 2.03 AU

Year: 1584 Days

Day: 9.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,859,856 km

• M1: 166,502 km (0.113 R)
• M2: 783,145 km (0.041 R)
• M3: 1,101,190 km (0.113 R)
• M4: 1,392,457 km (0.059 R)
• M5: 1,925,624 km (0.118 R)
• M6: 2,247,858 km (0.119 R)
• M7: 2,848,643 km (0.1 R)
• M8: 3,425,941 km (0.038 R)
• M9: 3,912,433 km (0.105 R)
• M10: 4,647,258 km (0.078 R)
• M11: 5,913,753 km (0.1 R)
• M12: 6,467,714 km (0.102 R)
• M13: 7,047,256 km (0.115 R)
• M14: 7,993,164 km (0.067 R)
• M15: 8,498,655 km (0.101 R)
• M16: 9,874,507 km (0.082 R)
• M17: 11,724,434 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.8

Radius: 12.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 2.76 AU - 3.5 AU

Year: 3633 Days

Day: 5.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 43,859,856 km

• M1: 156,479 km (0.057 R)
• M2: 565,181 km (0.069 R)
• M3: 990,488 km (0.117 R)
• M4: 2,196,695 km (0.119 R)
• M5: 2,456,247 km (0.114 R)
• M6: 3,085,157 km (0.072 R)
• M7: 3,394,675 km (0.104 R)
• M8: 3,737,254 km (0.049 R)
• M9: 4,133,988 km (0.111 R)
• M10: 4,788,029 km (0.112 R)
• M11: 5,237,721 km (0.113 R)
• M12: 5,818,011 km (0.117 R)
• M13: 6,268,151 km (0.104 R)
• M14: 7,418,708 km (0.036 R)
• M15: 9,134,895 km (0.1 R)
• M16: 9,785,646 km (0.094 R)
• M17: 11,002,175 km (0.028 R)
• M18: 12,033,802 km (0.108 R)
• M19: 12,912,839 km (0.06 R)
• M20: 13,891,957 km (0.095 R)
• M21: 14,307,540 km (0.084 R)
• M22: 15,014,241 km (0.118 R)
• M23: 16,366,905 km (0.052 R)
• M24: 16,629,449 km (0.103 R)
• M25: 17,468,244 km (0.071 R)
• M26: 18,526,051 km (0.036 R)
• M27: 19,006,409 km (0.092 R)
• M28: 19,574,582 km (0.111 R)
• M29: 19,902,950 km (0.062 R)
• M30: 20,862,470 km (0.108 R)
• M31: 21,329,515 km (0.044 R)
• M32: 21,672,393 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.4

Radius: 12.4

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.75 AU - 4.71 AU

Year: 5707 Days

Day: 12.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,859,856 km

• M1: 167,998 km (0.087 R)
• M2: 812,616 km (0.051 R)
• M3: 1,099,245 km (0.068 R)
• M4: 1,827,637 km (0.081 R)
• M5: 3,650,637 km (0.114 R)
• M6: 4,389,650 km (0.03 R)
• M7: 5,323,590 km (0.072 R)
• M8: 8,983,352 km (0.078 R)
• M9: 10,919,597 km (0.103 R)
• M10: 14,051,878 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.1

Radius: 11.8

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.58 AU - 5.54 AU

Year: 6388 Days

Day: 5.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,859,856 km

• M1: 152,739 km (0.101 R)
• M2: 425,456 km (0.052 R)
• M3: 2,779,379 km (0.084 R)
• M4: 3,348,000 km (0.073 R)
• M5: 5,438,780 km (0.115 R)
• M6: 5,776,273 km (0.055 R)
• M7: 6,909,327 km (0.104 R)
• M8: 7,230,963 km (0.118 R)
• M9: 10,178,340 km (0.079 R)
• M10: 12,169,039 km (0.061 R)
• M11: 13,882,982 km (0.117 R)
• M12: 14,256,228 km (0.089 R)
• M13: 19,124,741 km (0.067 R)
• M14: 21,161,516 km (0.111 R)
• M15: 21,725,650 km (0.076 R)
• M16: 30,164,017 km (0.038 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.8

Radius: 5.9

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.4 AU - 7.8 AU

Year: 13745 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 43,859,856 km

• M1: 75,547 km (0.05 R)
• M2: 225,743 km (0.071 R)
• M3: 367,861 km (0.12 R)
• M4: 612,902 km (0.112 R)
• M5: 1,166,415 km (0.102 R)
• M6: 1,539,811 km (0.115 R)
• M7: 2,450,563 km (0.088 R)
• M8: 4,445,750 km (0.086 R)
• M9: 4,641,573 km (0.107 R)
• M10: 5,105,327 km (0.086 R)
• M11: 5,467,952 km (0.109 R)
• M12: 5,591,520 km (0.086 R)
• M13: 7,908,043 km (0.098 R)
• M14: 8,131,841 km (0.047 R)
• M15: 10,036,072 km (0.108 R)
• M16: 12,326,565 km (0.085 R)
• M17: 12,559,340 km (0.097 R)
• M18: 13,755,823 km (0.101 R)
• M19: 13,952,395 km (0.055 R)
• M20: 14,651,167 km (0.104 R)
• M21: 15,315,381 km (0.058 R)
• M22: 16,688,390 km (0.106 R)
• M23: 19,031,392 km (0.09 R)
• M24: 20,142,007 km (0.049 R)
• M25: 20,379,868 km (0.117 R)
• M26: 22,333,017 km (0.097 R)
• M27: 23,279,523 km (0.105 R)
• M28: 25,032,810 km (0.054 R)
• M29: 25,165,204 km (0.102 R)
• M30: 26,372,609 km (0.046 R)
• M31: 32,307,455 km (0.092 R)
• M32: 32,608,596 km (0.066 R)
• M33: 32,759,839 km (0.117 R)
• M34: 33,827,669 km (0.069 R)
• M35: 34,058,798 km (0.107 R)
• M36: 34,290,525 km (0.065 R)
• M37: 39,093,065 km (0.097 R)
• M38: 40,342,955 km (0.107 R)
• M39: 40,848,447 km (0.045 R)
• M40: 42,383,770 km (0.084 R)
• M41: 43,249,044 km (0.105 R)
• M42: 43,684,822 km (0.052 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 12,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit