🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.62 AU - 0.68 AU

Year: 338 Days

Day: 40.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 27.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.7

Radius: 13.1

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.43 AU - 1.71 AU

Year: 1270 Days

Day: 5.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,173,442 km

• M1: 162,912 km (0.079 R)
• M2: 812,765 km (0.105 R)
• M3: 1,241,363 km (0.04 R)
• M4: 1,725,761 km (0.046 R)
• M5: 2,541,369 km (0.09 R)
• M6: 3,486,378 km (0.111 R)
• M7: 4,777,109 km (0.103 R)
• M8: 6,441,236 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.6

Radius: 10.5

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.81 AU - 2.69 AU

Year: 2179 Days

Day: 10.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,173,442 km

• M1: 130,749 km (0.108 R)
• M2: 547,977 km (0.076 R)
• M3: 879,785 km (0.09 R)
• M4: 1,379,442 km (0.092 R)
• M5: 2,746,767 km (0.082 R)
• M6: 3,701,051 km (0.103 R)
• M7: 7,125,496 km (0.111 R)
• M8: 7,591,045 km (0.086 R)
• M9: 8,015,005 km (0.054 R)
• M10: 8,454,673 km (0.099 R)
• M11: 10,085,739 km (0.063 R)
• M12: 10,975,547 km (0.059 R)
• M13: 11,756,448 km (0.109 R)
• M14: 12,366,059 km (0.073 R)
• M15: 14,230,946 km (0.059 R)
• M16: 14,597,611 km (0.048 R)
• M17: 15,349,789 km (0.083 R)
• M18: 15,832,990 km (0.089 R)
• M19: 16,326,214 km (0.12 R)
• M20: 16,728,183 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.4

Radius: 8.9

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.8 AU - 3.64 AU

Year: 3731 Days

Day: 7.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,173,442 km

• M1: 111,600 km (0.116 R)
• M2: 415,732 km (0.107 R)
• M3: 763,697 km (0.074 R)
• M4: 1,070,822 km (0.104 R)
• M5: 1,733,540 km (0.044 R)
• M6: 2,039,468 km (0.097 R)
• M7: 2,551,092 km (0.068 R)
• M8: 3,037,884 km (0.093 R)
• M9: 3,605,458 km (0.112 R)
• M10: 5,077,053 km (0.039 R)
• M11: 7,102,159 km (0.076 R)
• M12: 8,634,340 km (0.044 R)
• M13: 9,002,800 km (0.12 R)
• M14: 11,748,220 km (0.096 R)
• M15: 12,246,979 km (0.068 R)
• M16: 13,778,263 km (0.036 R)
• M17: 14,902,491 km (0.091 R)
• M18: 16,197,410 km (0.067 R)
• M19: 16,986,539 km (0.107 R)
• M20: 17,274,515 km (0.049 R)
• M21: 17,683,067 km (0.099 R)
• M22: 20,466,036 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.6

Radius: 14.3

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 3.48 AU - 4.28 AU

Year: 4935 Days

Day: 6.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,173,442 km

• M1: 183,108 km (0.108 R)
• M2: 1,250,788 km (0.117 R)
• M3: 2,123,691 km (0.036 R)
• M4: 3,098,920 km (0.101 R)
• M5: 3,646,448 km (0.025 R)
• M6: 4,729,985 km (0.1 R)
• M7: 5,291,725 km (0.054 R)
• M8: 5,778,966 km (0.072 R)
• M9: 6,582,456 km (0.113 R)
• M10: 7,962,795 km (0.103 R)
• M11: 12,054,447 km (0.105 R)
• M12: 12,598,684 km (0.075 R)
• M13: 13,577,503 km (0.11 R)
• M14: 14,221,372 km (0.055 R)
• M15: 17,188,496 km (0.114 R)
• M16: 24,792,107 km (0.117 R)
• M17: 28,013,248 km (0.117 R)
• M18: 30,400,382 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.7

Radius: 8.9

Gravity: 11.22 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.96 AU - 4.96 AU

Year: 6082 Days

Day: 6.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,173,442 km

• M1: 110,702 km (0.062 R)
• M2: 428,299 km (0.071 R)
• M3: 914,492 km (0.036 R)
• M4: 1,203,964 km (0.118 R)
• M5: 1,542,653 km (0.09 R)
• M6: 1,900,342 km (0.099 R)
• M7: 2,670,621 km (0.09 R)
• M8: 4,248,580 km (0.057 R)
• M9: 4,815,705 km (0.073 R)
• M10: 5,744,259 km (0.083 R)
• M11: 6,541,616 km (0.091 R)
• M12: 7,039,777 km (0.061 R)
• M13: 10,480,976 km (0.078 R)
• M14: 11,163,442 km (0.081 R)
• M15: 13,054,509 km (0.096 R)
• M16: 14,075,963 km (0.117 R)
• M17: 15,027,705 km (0.115 R)
• M18: 15,895,372 km (0.05 R)
• M19: 17,325,528 km (0.076 R)
• M20: 22,050,128 km (0.046 R)
• M21: 29,436,074 km (0.057 R)
• M22: 29,723,152 km (0.104 R)
• M23: 30,792,328 km (0.104 R)
• M24: 32,698,953 km (0.104 R)
• M25: 34,470,341 km (0.079 R)
• M26: 35,003,359 km (0.045 R)
• M27: 35,433,752 km (0.049 R)
• M28: 35,976,493 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.3

Radius: 10.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.07 AU - 5.25 AU

Year: 6495 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,173,442 km

• M1: 130,749 km (0.095 R)
• M2: 944,411 km (0.053 R)
• M3: 1,600,847 km (0.096 R)
• M4: 1,999,974 km (0.103 R)
• M5: 2,539,723 km (0.075 R)
• M6: 3,871,593 km (0.058 R)
• M7: 4,442,458 km (0.098 R)
• M8: 5,415,742 km (0.045 R)
• M9: 6,241,822 km (0.104 R)
• M10: 6,641,547 km (0.115 R)
• M11: 8,312,106 km (0.091 R)
• M12: 8,831,959 km (0.103 R)
• M13: 9,447,255 km (0.089 R)
• M14: 11,007,860 km (0.093 R)
• M15: 11,550,302 km (0.048 R)
• M16: 13,007,385 km (0.108 R)
• M17: 19,223,626 km (0.085 R)
• M18: 20,630,594 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910

Radius: 7.7

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.62 AU - 6.92 AU

Year: 10137 Days

Day: 18.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,173,442 km

• M1: 95,743 km (0.065 R)
• M2: 431,889 km (0.092 R)
• M3: 775,815 km (0.105 R)
• M4: 1,028,635 km (0.05 R)
• M5: 1,403,677 km (0.087 R)
• M6: 1,676,992 km (0.114 R)
• M7: 2,055,774 km (0.094 R)
• M8: 2,592,830 km (0.116 R)
• M9: 3,148,437 km (0.119 R)
• M10: 3,972,272 km (0.08 R)
• M11: 4,555,704 km (0.07 R)
• M12: 5,161,725 km (0.106 R)
• M13: 5,929,162 km (0.101 R)
• M14: 7,430,526 km (0.115 R)
• M15: 7,820,229 km (0.082 R)
• M16: 8,687,896 km (0.049 R)
• M17: 9,169,601 km (0.071 R)
• M18: 10,721,979 km (0.105 R)
• M19: 15,634,473 km (0.107 R)
• M20: 17,305,781 km (0.091 R)
• M21: 18,457,834 km (0.083 R)
• M22: 19,173,211 km (0.098 R)
• M23: 21,604,176 km (0.045 R)
• M24: 22,667,518 km (0.104 R)
• M25: 23,672,666 km (0.116 R)
• M26: 25,283,835 km (0.102 R)
• M27: 26,066,831 km (0.085 R)
• M28: 27,271,542 km (0.075 R)
• M29: 35,898,103 km (0.096 R)
• M30: 38,532,073 km (0.056 R)
• M31: 38,789,381 km (0.117 R)
• M32: 41,426,642 km (0.063 R)
• M33: 43,203,715 km (0.033 R)
• M34: 46,325,524 km (0.104 R)
• M35: 46,762,649 km (0.097 R)
• M36: 47,349,671 km (0.047 R)
• M37: 51,909,713 km (0.031 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 12,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit