🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.85 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.68 AU - 1.72 AU

Year: 935 Days

Day: 24.6 Hours

Environment

Temp: -100 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.43 AU - 2.21 AU

Year: 1036 Days

Day: 47.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,190,693 km

• M1: 395,686 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.33 AU - 2.45 AU

Year: 1558 Days

Day: 27.3 Hours

Environment

Temp: -130 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.07 AU - 2.75 AU

Year: 1578 Days

Day: 13.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,190,693 km

• M1: 430,094 km (0.094 R)

Asteroid Belt

Center: 3.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285.2

Radius: 8

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.79 AU - 4.53 AU

Year: 3578 Days

Day: 9.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,190,693 km

• M1: 147,952 km (0.077 R)
• M2: 983,756 km (0.078 R)
• M3: 1,238,820 km (0.084 R)
• M4: 2,662,992 km (0.062 R)
• M5: 2,814,385 km (0.081 R)
• M6: 3,071,394 km (0.064 R)
• M7: 4,267,728 km (0.115 R)
• M8: 6,051,982 km (0.115 R)
• M9: 6,429,716 km (0.053 R)
• M10: 6,929,523 km (0.075 R)
• M11: 7,220,341 km (0.12 R)
• M12: 10,792,140 km (0.063 R)
• M13: 11,098,965 km (0.119 R)
• M14: 13,710,346 km (0.115 R)
• M15: 14,151,510 km (0.104 R)
• M16: 14,664,182 km (0.099 R)
• M17: 15,251,952 km (0.098 R)
• M18: 16,634,086 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.6

Radius: 11.9

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.45 AU - 5.61 AU

Year: 4066 Days

Day: 5.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 92,190,693 km

• M1: 164,707 km (0.113 R)
• M2: 404,961 km (0.106 R)
• M3: 672,442 km (0.051 R)
• M4: 1,014,872 km (0.113 R)
• M5: 1,384,827 km (0.103 R)
• M6: 1,998,777 km (0.11 R)
• M7: 2,735,995 km (0.089 R)
• M8: 3,168,782 km (0.12 R)
• M9: 4,052,457 km (0.073 R)
• M10: 4,450,537 km (0.111 R)
• M11: 4,958,272 km (0.095 R)
• M12: 5,470,345 km (0.11 R)
• M13: 6,058,564 km (0.098 R)
• M14: 6,546,104 km (0.046 R)
• M15: 7,579,077 km (0.062 R)
• M16: 8,008,124 km (0.105 R)
• M17: 9,525,345 km (0.085 R)
• M18: 10,104,139 km (0.055 R)
• M19: 10,599,907 km (0.101 R)
• M20: 11,141,900 km (0.054 R)
• M21: 12,302,929 km (0.087 R)
• M22: 13,674,143 km (0.108 R)
• M23: 14,134,605 km (0.074 R)
• M24: 16,094,637 km (0.077 R)
• M25: 16,973,973 km (0.099 R)
• M26: 18,803,555 km (0.077 R)
• M27: 20,214,412 km (0.119 R)
• M28: 21,151,942 km (0.034 R)
• M29: 21,532,968 km (0.116 R)
• M30: 22,062,544 km (0.044 R)
• M31: 22,745,758 km (0.101 R)
• M32: 25,013,063 km (0.067 R)
• M33: 26,213,736 km (0.101 R)
• M34: 26,851,322 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.9

Radius: 14.6

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.22 AU - 7.34 AU

Year: 6637 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 92,190,693 km

• M1: 181,911 km (0.119 R)
• M2: 491,429 km (0.033 R)
• M3: 1,541,456 km (0.044 R)
• M4: 2,029,894 km (0.114 R)
• M5: 2,414,659 km (0.089 R)
• M6: 3,190,324 km (0.115 R)
• M7: 3,808,911 km (0.086 R)
• M8: 5,431,599 km (0.09 R)
• M9: 5,926,170 km (0.105 R)
• M10: 6,890,628 km (0.088 R)
• M11: 8,192,877 km (0.096 R)
• M12: 8,835,699 km (0.083 R)
• M13: 10,084,392 km (0.109 R)
• M14: 12,176,219 km (0.109 R)
• M15: 13,043,738 km (0.106 R)
• M16: 13,638,987 km (0.117 R)
• M17: 15,140,501 km (0.105 R)
• M18: 15,413,667 km (0.041 R)
• M19: 16,014,153 km (0.1 R)
• M20: 17,541,697 km (0.118 R)
• M21: 20,278,739 km (0.109 R)
• M22: 20,754,461 km (0.066 R)
• M23: 21,235,717 km (0.112 R)
• M24: 22,657,046 km (0.071 R)
• M25: 23,159,994 km (0.108 R)
• M26: 24,992,867 km (0.084 R)
• M27: 25,995,323 km (0.104 R)
• M28: 29,755,465 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853.8

Radius: 3.6

Gravity: 65.88 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 12.57 AU - 16.93 AU

Year: 23892 Days

Day: 23.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 92,190,693 km

• M1: 55,950 km (0.12 R)
• M2: 151,243 km (0.117 R)
• M3: 398,978 km (0.101 R)
• M4: 522,396 km (0.087 R)
• M5: 634,445 km (0.098 R)
• M6: 1,119,590 km (0.093 R)
• M7: 1,284,747 km (0.041 R)
• M8: 2,201,781 km (0.109 R)
• M9: 3,993,066 km (0.113 R)
• M10: 4,751,228 km (0.039 R)
• M11: 6,273,836 km (0.083 R)
• M12: 6,862,054 km (0.098 R)
• M13: 7,740,942 km (0.092 R)
• M14: 8,227,733 km (0.058 R)
• M15: 8,843,029 km (0.086 R)
• M16: 10,759,528 km (0.055 R)
• M17: 10,948,919 km (0.12 R)
• M18: 13,916,791 km (0.095 R)
• M19: 14,349,129 km (0.058 R)
• M20: 14,935,851 km (0.048 R)
• M21: 15,383,747 km (0.066 R)
• M22: 16,067,858 km (0.093 R)
• M23: 17,082,581 km (0.118 R)
• M24: 17,722,411 km (0.041 R)
• M25: 19,289,299 km (0.07 R)
• M26: 19,627,689 km (0.113 R)
• M27: 20,660,513 km (0.11 R)
• M28: 21,275,211 km (0.118 R)
• M29: 22,440,728 km (0.119 R)
• M30: 22,897,300 km (0.094 R)
• M31: 25,928,602 km (0.037 R)
• M32: 26,914,452 km (0.111 R)
• M33: 29,252,218 km (0.093 R)
• M34: 30,193,488 km (0.099 R)
• M35: 39,216,334 km (0.071 R)
• M36: 39,819,512 km (0.119 R)
• M37: 44,042,660 km (0.092 R)
• M38: 45,454,715 km (0.066 R)
• M39: 46,888,909 km (0.032 R)
• M40: 48,612,726 km (0.091 R)
• M41: 48,880,655 km (0.076 R)
• M42: 49,824,319 km (0.092 R)
• M43: 55,962,768 km (0.095 R)
• M44: 57,552,994 km (0.12 R)
• M45: 61,852,736 km (0.085 R)
• M46: 63,524,043 km (0.054 R)
• M47: 64,908,272 km (0.103 R)
• M48: 72,215,829 km (0.116 R)
• M49: 92,006,430 km (0.067 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 19,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit