🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.18 AU - 1.5 AU

Year: 594 Days

Day: 33.4 Hours

Environment

Temp: -36 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 100,420,374 km

• M1: 544,387 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.17 AU - 1.95 AU

Year: 746 Days

Day: 16.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.67 AU - 4.25 AU

Year: 2464 Days

Day: 19.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.9

Radius: 10.5

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.92 AU - 5.88 AU

Year: 4805 Days

Day: 7.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 100,420,374 km

• M1: 130,599 km (0.077 R)
• M2: 590,164 km (0.07 R)
• M3: 1,006,046 km (0.109 R)
• M4: 1,382,733 km (0.03 R)
• M5: 1,952,402 km (0.111 R)
• M6: 2,949,771 km (0.07 R)
• M7: 3,518,841 km (0.115 R)
• M8: 5,236,673 km (0.041 R)
• M9: 5,948,161 km (0.119 R)
• M10: 6,556,276 km (0.112 R)
• M11: 8,316,445 km (0.116 R)
• M12: 8,791,568 km (0.076 R)
• M13: 15,342,159 km (0.103 R)
• M14: 17,749,488 km (0.095 R)
• M15: 20,612,492 km (0.051 R)
• M16: 21,410,447 km (0.097 R)
• M17: 22,003,603 km (0.111 R)
• M18: 24,647,446 km (0.117 R)
• M19: 25,216,965 km (0.077 R)
• M20: 28,909,938 km (0.032 R)
• M21: 29,270,768 km (0.068 R)
• M22: 29,725,994 km (0.059 R)
• M23: 30,371,360 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.1

Radius: 9.9

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.8 AU - 7.54 AU

Year: 6596 Days

Day: 5.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 100,420,374 km

• M1: 123,119 km (0.103 R)
• M2: 440,117 km (0.091 R)
• M3: 801,994 km (0.064 R)
• M4: 1,260,063 km (0.104 R)
• M5: 1,859,950 km (0.032 R)
• M6: 2,250,102 km (0.068 R)
• M7: 3,238,644 km (0.119 R)
• M8: 5,890,715 km (0.11 R)
• M9: 6,877,463 km (0.107 R)
• M10: 7,483,633 km (0.063 R)
• M11: 9,303,043 km (0.032 R)
• M12: 9,866,728 km (0.111 R)
• M13: 13,086,523 km (0.086 R)
• M14: 13,464,706 km (0.045 R)
• M15: 14,017,470 km (0.11 R)
• M16: 15,706,280 km (0.094 R)
• M17: 17,139,129 km (0.113 R)
• M18: 17,788,533 km (0.072 R)
• M19: 20,769,271 km (0.088 R)
• M20: 21,210,136 km (0.107 R)
• M21: 22,263,006 km (0.101 R)
• M22: 23,271,594 km (0.116 R)
• M23: 25,379,728 km (0.099 R)
• M24: 26,138,189 km (0.093 R)
• M25: 26,566,039 km (0.105 R)
• M26: 28,866,854 km (0.107 R)
• M27: 31,876,913 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 16.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.2

Radius: 6

Gravity: 25.95 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 14.5 AU - 18.76 AU

Year: 25966 Days

Day: 15.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 100,420,374 km

• M1: 74,649 km (0.086 R)
• M2: 380,577 km (0.099 R)
• M3: 612,454 km (0.104 R)
• M4: 818,600 km (0.09 R)
• M5: 1,143,077 km (0.107 R)
• M6: 1,360,293 km (0.067 R)
• M7: 1,900,043 km (0.102 R)
• M8: 2,348,986 km (0.119 R)
• M9: 2,921,646 km (0.062 R)
• M10: 4,413,885 km (0.107 R)
• M11: 5,324,039 km (0.035 R)
• M12: 6,026,999 km (0.076 R)
• M13: 7,298,581 km (0.063 R)
• M14: 8,108,653 km (0.107 R)
• M15: 9,652,055 km (0.026 R)
• M16: 11,880,165 km (0.108 R)
• M17: 13,307,479 km (0.113 R)
• M18: 16,229,125 km (0.036 R)
• M19: 17,508,785 km (0.117 R)
• M20: 17,791,525 km (0.038 R)
• M21: 18,366,131 km (0.118 R)
• M22: 24,338,676 km (0.116 R)
• M23: 26,011,479 km (0.081 R)
• M24: 29,186,694 km (0.118 R)
• M25: 33,326,516 km (0.117 R)
• M26: 34,345,876 km (0.102 R)
• M27: 38,156,134 km (0.048 R)
• M28: 44,999,189 km (0.115 R)
• M29: 52,616,264 km (0.104 R)
• M30: 53,205,231 km (0.097 R)
• M31: 54,998,161 km (0.089 R)
• M32: 58,075,389 km (0.109 R)
• M33: 65,245,316 km (0.055 R)
• M34: 70,102,310 km (0.104 R)
• M35: 74,206,378 km (0.065 R)
• M36: 77,197,887 km (0.077 R)
• M37: 82,889,338 km (0.107 R)
• M38: 86,653,071 km (0.117 R)
• M39: 87,199,851 km (0.063 R)
• M40: 91,092,088 km (0.042 R)
• M41: 91,941,056 km (0.085 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 12,147 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit