🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.51 AU - 0.59 AU

Year: 268 Days

Day: 43.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 59,360,032 km

• M1: 69,713 km (0.1 R)
• M2: 161,117 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.6

Radius: 8.3

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.56 AU - 0.8 AU

Year: 368 Days

Day: 14.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,360,032 km

• M1: 103,971 km (0.079 R)
• M2: 384,766 km (0.064 R)
• M3: 753,076 km (0.091 R)
• M4: 1,100,143 km (0.072 R)
• M5: 1,364,632 km (0.086 R)
• M6: 1,767,050 km (0.115 R)
• M7: 2,382,645 km (0.107 R)
• M8: 3,373,432 km (0.108 R)
• M9: 3,762,536 km (0.052 R)
• M10: 4,100,478 km (0.119 R)
• M11: 4,558,696 km (0.101 R)
• M12: 5,381,634 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.1

Radius: 12.9

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.04 AU - 4.3 AU

Year: 5586 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,360,032 km

• M1: 164,408 km (0.113 R)
• M2: 689,347 km (0.112 R)
• M3: 1,690,606 km (0.113 R)
• M4: 2,704,131 km (0.051 R)
• M5: 3,555,493 km (0.087 R)
• M6: 4,211,479 km (0.084 R)
• M7: 5,027,087 km (0.069 R)
• M8: 5,505,052 km (0.102 R)
• M9: 6,922,193 km (0.083 R)
• M10: 7,622,012 km (0.059 R)
• M11: 9,657,739 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.8

Radius: 12.6

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.21 AU - 5.55 AU

Year: 7072 Days

Day: 8.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,360,032 km

• M1: 167,400 km (0.083 R)
• M2: 801,845 km (0.096 R)
• M3: 1,252,284 km (0.047 R)
• M4: 1,932,804 km (0.107 R)
• M5: 2,376,213 km (0.11 R)
• M6: 2,868,539 km (0.106 R)
• M7: 4,111,099 km (0.091 R)
• M8: 5,198,975 km (0.11 R)
• M9: 6,925,185 km (0.117 R)
• M10: 7,628,594 km (0.104 R)
• M11: 11,678,208 km (0.064 R)
• M12: 13,502,704 km (0.119 R)
• M13: 17,373,998 km (0.086 R)
• M14: 18,325,290 km (0.086 R)
• M15: 19,025,708 km (0.099 R)
• M16: 21,158,674 km (0.068 R)
• M17: 24,523,729 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.7

Radius: 11.2

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 4.9 AU - 6.4 AU

Year: 8810 Days

Day: 10 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 59,360,032 km

• M1: 139,276 km (0.093 R)
• M2: 964,457 km (0.083 R)
• M3: 1,511,088 km (0.094 R)
• M4: 1,952,252 km (0.049 R)
• M5: 2,517,433 km (0.11 R)
• M6: 2,945,732 km (0.079 R)
• M7: 3,768,819 km (0.06 R)
• M8: 4,649,801 km (0.061 R)
• M9: 5,429,505 km (0.085 R)
• M10: 7,450,273 km (0.027 R)
• M11: 8,428,494 km (0.076 R)
• M12: 9,111,408 km (0.084 R)
• M13: 10,433,255 km (0.083 R)
• M14: 11,823,019 km (0.103 R)
• M15: 14,008,494 km (0.047 R)
• M16: 14,450,406 km (0.072 R)
• M17: 18,253,633 km (0.062 R)
• M18: 20,993,817 km (0.065 R)
• M19: 24,997,655 km (0.106 R)
• M20: 25,554,907 km (0.1 R)
• M21: 26,597,903 km (0.103 R)
• M22: 28,466,081 km (0.109 R)
• M23: 29,690,241 km (0.063 R)
• M24: 31,699,490 km (0.051 R)
• M25: 34,251,330 km (0.088 R)
• M26: 37,538,893 km (0.071 R)
• M27: 39,760,122 km (0.103 R)
• M28: 41,288,713 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 544.3

Radius: 3.4

Gravity: 47.08 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 8.2 AU - 8.24 AU

Year: 15460 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,360,032 km

• M1: 42,635 km (0.069 R)
• M2: 169,644 km (0.107 R)
• M3: 349,461 km (0.053 R)
• M4: 631,752 km (0.065 R)
• M5: 872,604 km (0.086 R)
• M6: 2,004,312 km (0.068 R)
• M7: 2,353,175 km (0.102 R)
• M8: 2,499,332 km (0.104 R)
• M9: 2,809,747 km (0.113 R)
• M10: 2,998,390 km (0.098 R)
• M11: 3,220,693 km (0.079 R)
• M12: 3,374,928 km (0.072 R)
• M13: 3,810,258 km (0.096 R)
• M14: 5,164,418 km (0.065 R)
• M15: 5,340,195 km (0.098 R)
• M16: 5,483,660 km (0.089 R)
• M17: 7,020,927 km (0.113 R)
• M18: 9,074,756 km (0.051 R)
• M19: 10,740,978 km (0.101 R)
• M20: 11,027,457 km (0.082 R)
• M21: 11,201,889 km (0.113 R)
• M22: 11,917,864 km (0.107 R)
• M23: 12,163,055 km (0.045 R)
• M24: 13,639,137 km (0.078 R)
• M25: 14,385,630 km (0.055 R)
• M26: 15,302,366 km (0.066 R)
• M27: 22,182,522 km (0.115 R)
• M28: 22,834,619 km (0.109 R)
• M29: 23,403,540 km (0.1 R)
• M30: 23,981,885 km (0.08 R)
• M31: 30,299,254 km (0.099 R)
• M32: 31,683,034 km (0.074 R)
• M33: 34,824,739 km (0.107 R)
• M34: 35,074,717 km (0.118 R)
• M35: 37,247,626 km (0.107 R)
• M36: 38,968,600 km (0.071 R)
• M37: 41,438,012 km (0.098 R)
• M38: 45,037,785 km (0.082 R)
• M39: 45,186,037 km (0.101 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 17,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit