🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.47 AU - 0.55 AU

Year: 239 Days

Day: 33.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.49 AU - 0.73 AU

Year: 313 Days

Day: 46.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.3

Radius: 11.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.66 AU - 0.98 AU

Year: 487 Days

Day: 5.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,587,085 km

• M1: 144,212 km (0.104 R)
• M2: 536,757 km (0.094 R)
• M3: 985,252 km (0.101 R)
• M4: 1,360,443 km (0.085 R)
• M5: 2,044,105 km (0.048 R)
• M6: 2,442,634 km (0.11 R)
• M7: 3,030,554 km (0.091 R)
• M8: 3,938,014 km (0.069 R)
• M9: 4,604,473 km (0.085 R)
• M10: 5,265,695 km (0.05 R)
• M11: 5,636,100 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.8

Radius: 8.8

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.75 AU - 1.21 AU

Year: 636 Days

Day: 7.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,587,085 km

• M1: 110,254 km (0.119 R)
• M2: 961,765 km (0.109 R)
• M3: 1,397,244 km (0.114 R)
• M4: 1,672,803 km (0.119 R)
• M5: 2,421,242 km (0.096 R)
• M6: 2,771,001 km (0.097 R)
• M7: 3,486,229 km (0.028 R)
• M8: 4,390,847 km (0.069 R)
• M9: 4,684,657 km (0.09 R)
• M10: 5,976,435 km (0.081 R)

Asteroid Belt

Center: 3.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.9

Radius: 13.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.1 AU - 6.74 AU

Year: 8278 Days

Day: 8.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,587,085 km

• M1: 173,833 km (0.086 R)
• M2: 931,247 km (0.05 R)
• M3: 1,506,151 km (0.033 R)
• M4: 2,212,702 km (0.093 R)
• M5: 2,880,956 km (0.1 R)
• M6: 3,928,290 km (0.11 R)
• M7: 6,953,159 km (0.049 R)
• M8: 10,967,319 km (0.088 R)
• M9: 11,433,765 km (0.11 R)
• M10: 13,551,323 km (0.096 R)
• M11: 14,393,709 km (0.114 R)
• M12: 15,270,651 km (0.11 R)
• M13: 19,139,103 km (0.116 R)
• M14: 26,560,204 km (0.115 R)
• M15: 29,341,079 km (0.111 R)
• M16: 30,750,740 km (0.089 R)
• M17: 31,472,400 km (0.111 R)
• M18: 37,074,840 km (0.114 R)
• M19: 40,417,156 km (0.113 R)
• M20: 41,407,793 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 860.1

Radius: 7.5

Gravity: 15.29 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.73 AU - 8.41 AU

Year: 15039 Days

Day: 22.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,587,085 km

• M1: 98,286 km (0.069 R)
• M2: 469,139 km (0.07 R)
• M3: 739,163 km (0.086 R)
• M4: 972,985 km (0.059 R)
• M5: 1,217,278 km (0.068 R)
• M6: 3,901,512 km (0.094 R)
• M7: 4,464,150 km (0.057 R)
• M8: 12,646,705 km (0.108 R)
• M9: 15,328,396 km (0.052 R)
• M10: 20,027,565 km (0.101 R)
• M11: 20,480,547 km (0.094 R)
• M12: 21,033,161 km (0.115 R)
• M13: 25,288,772 km (0.066 R)
• M14: 28,122,006 km (0.106 R)
• M15: 29,615,142 km (0.099 R)
• M16: 35,983,973 km (0.109 R)
• M17: 39,415,149 km (0.107 R)
• M18: 45,348,650 km (0.108 R)
• M19: 51,342,887 km (0.043 R)
• M20: 56,394,657 km (0.069 R)
• M21: 58,947,844 km (0.115 R)
• M22: 61,577,176 km (0.074 R)
• M23: 66,264,676 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.3

Radius: 6.3

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.22 AU - 8.84 AU

Year: 16343 Days

Day: 17.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 52,587,085 km

• M1: 87,664 km (0.094 R)
• M2: 357,539 km (0.116 R)
• M3: 1,652,308 km (0.111 R)
• M4: 1,866,682 km (0.092 R)
• M5: 2,272,242 km (0.111 R)
• M6: 3,517,644 km (0.103 R)
• M7: 3,903,607 km (0.109 R)
• M8: 4,630,353 km (0.076 R)
• M9: 4,992,231 km (0.115 R)
• M10: 5,443,867 km (0.087 R)
• M11: 6,036,872 km (0.09 R)
• M12: 6,837,371 km (0.084 R)
• M13: 7,571,747 km (0.111 R)
• M14: 8,501,647 km (0.116 R)
• M15: 9,874,806 km (0.105 R)
• M16: 10,144,381 km (0.096 R)
• M17: 10,754,741 km (0.036 R)
• M18: 11,566,758 km (0.068 R)
• M19: 12,356,784 km (0.097 R)
• M20: 12,988,536 km (0.076 R)
• M21: 13,575,259 km (0.1 R)
• M22: 16,323,372 km (0.037 R)
• M23: 18,106,728 km (0.095 R)
• M24: 20,102,064 km (0.072 R)
• M25: 20,710,479 km (0.079 R)
• M26: 22,796,472 km (0.117 R)
• M27: 26,542,851 km (0.069 R)
• M28: 28,020,579 km (0.118 R)
• M29: 32,188,675 km (0.086 R)
• M30: 34,604,979 km (0.082 R)
• M31: 37,269,467 km (0.096 R)
• M32: 40,754,050 km (0.1 R)
• M33: 42,575,105 km (0.071 R)
• M34: 43,433,647 km (0.105 R)
• M35: 44,012,292 km (0.11 R)
• M36: 44,889,983 km (0.071 R)
• M37: 52,499,129 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.7

Radius: 5.5

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.01 AU - 10.13 AU

Year: 17919 Days

Day: 23.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,587,085 km

• M1: 68,516 km (0.068 R)
• M2: 275,559 km (0.068 R)
• M3: 514,317 km (0.066 R)
• M4: 939,175 km (0.119 R)
• M5: 1,416,692 km (0.093 R)
• M6: 1,709,904 km (0.073 R)
• M7: 1,990,250 km (0.099 R)
• M8: 4,727,742 km (0.043 R)
• M9: 5,048,180 km (0.092 R)
• M10: 5,348,872 km (0.07 R)
• M11: 9,341,041 km (0.069 R)
• M12: 10,799,919 km (0.04 R)
• M13: 11,989,073 km (0.039 R)
• M14: 15,793,496 km (0.042 R)
• M15: 17,547,232 km (0.088 R)
• M16: 24,044,866 km (0.049 R)
• M17: 26,357,499 km (0.057 R)
• M18: 26,957,985 km (0.109 R)
• M19: 28,082,512 km (0.056 R)
• M20: 29,131,642 km (0.115 R)
• M21: 30,753,881 km (0.081 R)
• M22: 33,941,513 km (0.043 R)
• M23: 35,131,265 km (0.093 R)
• M24: 37,217,407 km (0.101 R)
• M25: 40,037,626 km (0.103 R)
• M26: 41,499,796 km (0.058 R)
• M27: 46,678,874 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 16,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit