🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.46 AU - 0.7 AU

Year: 285 Days

Day: 16.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.7

Radius: 13.7

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.39 AU - 2.15 AU

Year: 1520 Days

Day: 13.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,550,230 km

• M1: 173,234 km (0.109 R)
• M2: 648,058 km (0.113 R)
• M3: 1,200,523 km (0.119 R)
• M4: 1,637,049 km (0.09 R)
• M5: 2,182,334 km (0.072 R)
• M6: 2,862,256 km (0.086 R)
• M7: 4,340,433 km (0.054 R)
• M8: 4,953,185 km (0.115 R)
• M9: 5,668,413 km (0.086 R)
• M10: 6,231,051 km (0.084 R)
• M11: 7,145,094 km (0.034 R)
• M12: 8,322,429 km (0.079 R)
• M13: 8,803,535 km (0.1 R)
• M14: 10,325,694 km (0.09 R)
• M15: 11,642,604 km (0.08 R)
• M16: 12,399,569 km (0.094 R)
• M17: 13,028,628 km (0.102 R)
• M18: 13,970,048 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.2

Radius: 8.7

Gravity: 9.92 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.72 AU - 2.32 AU

Year: 1854 Days

Day: 10.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,550,230 km

• M1: 108,758 km (0.099 R)
• M2: 530,624 km (0.119 R)
• M3: 840,590 km (0.112 R)
• M4: 1,114,504 km (0.078 R)
• M5: 1,449,454 km (0.075 R)
• M6: 1,744,311 km (0.116 R)
• M7: 2,471,058 km (0.075 R)
• M8: 3,625,355 km (0.078 R)
• M9: 4,195,173 km (0.092 R)
• M10: 4,491,676 km (0.073 R)
• M11: 5,893,857 km (0.089 R)
• M12: 6,190,958 km (0.097 R)
• M13: 6,708,268 km (0.046 R)
• M14: 7,653,876 km (0.058 R)
• M15: 8,403,810 km (0.065 R)
• M16: 8,909,002 km (0.098 R)
• M17: 9,807,337 km (0.105 R)
• M18: 10,546,799 km (0.092 R)
• M19: 12,335,990 km (0.062 R)
• M20: 13,880,139 km (0.069 R)
• M21: 15,879,216 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783

Radius: 9.5

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.16 AU - 2.54 AU

Year: 2326 Days

Day: 5.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,550,230 km

• M1: 118,182 km (0.094 R)
• M2: 747,092 km (0.104 R)
• M3: 1,279,062 km (0.107 R)
• M4: 1,811,929 km (0.11 R)
• M5: 2,162,587 km (0.086 R)
• M6: 2,676,156 km (0.045 R)
• M7: 3,235,204 km (0.059 R)
• M8: 3,662,006 km (0.097 R)
• M9: 4,585,923 km (0.115 R)
• M10: 5,220,068 km (0.094 R)
• M11: 5,860,197 km (0.117 R)
• M12: 7,658,962 km (0.106 R)
• M13: 9,265,344 km (0.114 R)
• M14: 9,762,907 km (0.071 R)
• M15: 10,129,122 km (0.081 R)
• M16: 10,542,461 km (0.045 R)
• M17: 10,928,124 km (0.099 R)
• M18: 11,524,122 km (0.088 R)
• M19: 13,442,715 km (0.093 R)
• M20: 17,310,418 km (0.108 R)
• M21: 18,618,502 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.5

Radius: 14.6

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.4 AU - 4.8 AU

Year: 6370 Days

Day: 14.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,550,230 km

• M1: 181,612 km (0.087 R)
• M2: 673,789 km (0.077 R)
• M3: 1,738,776 km (0.03 R)
• M4: 2,274,187 km (0.058 R)
• M5: 3,536,344 km (0.09 R)
• M6: 4,560,042 km (0.038 R)
• M7: 5,833,120 km (0.037 R)
• M8: 9,956,187 km (0.113 R)
• M9: 10,620,402 km (0.07 R)
• M10: 12,792,114 km (0.099 R)
• M11: 14,619,153 km (0.074 R)
• M12: 15,130,777 km (0.045 R)
• M13: 15,595,428 km (0.11 R)
• M14: 16,431,681 km (0.091 R)
• M15: 18,128,719 km (0.028 R)
• M16: 18,719,630 km (0.069 R)
• M17: 20,711,676 km (0.065 R)
• M18: 24,631,589 km (0.075 R)
• M19: 25,848,567 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.1

Radius: 9.9

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.91 AU - 5.91 AU

Year: 9277 Days

Day: 7.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 96.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,550,230 km

• M1: 125,064 km (0.059 R)
• M2: 941,868 km (0.104 R)
• M3: 1,305,989 km (0.084 R)
• M4: 1,811,181 km (0.095 R)
• M5: 2,385,188 km (0.102 R)
• M6: 2,705,029 km (0.105 R)
• M7: 3,633,433 km (0.067 R)
• M8: 4,518,903 km (0.114 R)
• M9: 6,989,213 km (0.112 R)
• M10: 9,098,094 km (0.05 R)
• M11: 10,827,445 km (0.057 R)
• M12: 12,645,957 km (0.119 R)
• M13: 15,742,483 km (0.084 R)
• M14: 16,374,684 km (0.086 R)
• M15: 19,311,589 km (0.083 R)
• M16: 19,631,280 km (0.056 R)
• M17: 20,036,092 km (0.071 R)
• M18: 20,695,220 km (0.098 R)
• M19: 21,624,971 km (0.089 R)
• M20: 22,582,397 km (0.115 R)
• M21: 23,026,852 km (0.117 R)
• M22: 24,025,268 km (0.1 R)
• M23: 26,205,508 km (0.088 R)
• M24: 27,595,272 km (0.069 R)
• M25: 29,771,472 km (0.077 R)
• M26: 31,065,045 km (0.099 R)
• M27: 31,394,160 km (0.101 R)
• M28: 32,283,370 km (0.102 R)
• M29: 34,462,263 km (0.102 R)
• M30: 36,493,503 km (0.102 R)
• M31: 37,352,494 km (0.075 R)
• M32: 43,610,622 km (0.052 R)
• M33: 46,699,070 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.2

Radius: 3

Gravity: 108.91 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.62 AU - 7.16 AU

Year: 10430 Days

Day: 17.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 55,550,230 km

• M1: 37,549 km (0.099 R)
• M2: 334,800 km (0.087 R)
• M3: 522,545 km (0.085 R)
• M4: 661,223 km (0.052 R)
• M5: 795,113 km (0.043 R)
• M6: 894,296 km (0.081 R)
• M7: 1,013,077 km (0.114 R)
• M8: 1,242,859 km (0.092 R)
• M9: 1,433,596 km (0.045 R)
• M10: 2,161,988 km (0.092 R)
• M11: 2,605,845 km (0.057 R)
• M12: 3,537,092 km (0.078 R)
• M13: 3,697,760 km (0.115 R)
• M14: 4,830,964 km (0.107 R)
• M15: 5,095,902 km (0.111 R)
• M16: 5,582,843 km (0.119 R)
• M17: 5,949,208 km (0.08 R)
• M18: 6,331,431 km (0.118 R)
• M19: 7,144,346 km (0.106 R)
• M20: 8,443,005 km (0.087 R)
• M21: 8,778,553 km (0.086 R)
• M22: 10,049,686 km (0.091 R)
• M23: 10,481,126 km (0.095 R)
• M24: 13,396,041 km (0.096 R)
• M25: 15,852,438 km (0.075 R)
• M26: 16,733,569 km (0.079 R)
• M27: 19,905,941 km (0.072 R)
• M28: 25,183,754 km (0.106 R)
• M29: 26,381,136 km (0.09 R)
• M30: 27,615,767 km (0.111 R)
• M31: 29,430,090 km (0.117 R)
• M32: 29,978,366 km (0.117 R)
• M33: 30,645,423 km (0.103 R)
• M34: 31,208,659 km (0.092 R)
• M35: 31,664,334 km (0.105 R)
• M36: 37,099,225 km (0.089 R)
• M37: 48,085,094 km (0.097 R)
• M38: 49,923,053 km (0.086 R)
• M39: 54,228,480 km (0.079 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: 162 - 18,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit