🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.5 AU - 0.64 AU

Year: 160 Days

Day: 16.4 Hours

Environment

Temp: 139 °C

Axial Tilt: 3.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.92 AU - 0.98 AU

Year: 345 Days

Day: 24.2 Hours

Environment

Temp: 24 °C

Axial Tilt: 117.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.95 AU - 4.93 AU

Year: 3488 Days

Day: 42.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,126,646 km

• M1: 2,024,358 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.7

Radius: 12.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 10.12 AU - 13.16 AU

Year: 14804 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 34,126,646 km

• M1: 330,013 km (0.073 R)
• M2: 436,227 km (0.113 R)
• M3: 558,150 km (0.088 R)
• M4: 647,160 km (0.065 R)
• M5: 894,146 km (0.115 R)
• M6: 1,133,653 km (0.086 R)
• M7: 1,631,365 km (0.095 R)
• M8: 2,143,887 km (0.073 R)
• M9: 2,267,156 km (0.108 R)
• M10: 2,892,924 km (0.037 R)
• M11: 3,029,955 km (0.035 R)
• M12: 3,197,206 km (0.114 R)
• M13: 3,629,244 km (0.096 R)
• M14: 3,717,806 km (0.113 R)
• M15: 3,837,185 km (0.116 R)
• M16: 4,327,567 km (0.108 R)
• M17: 7,065,807 km (0.096 R)
• M18: 7,251,607 km (0.098 R)
• M19: 7,401,504 km (0.112 R)
• M20: 7,514,600 km (0.081 R)
• M21: 8,400,968 km (0.064 R)
• M22: 9,771,135 km (0.072 R)
• M23: 9,895,301 km (0.096 R)
• M24: 10,439,837 km (0.108 R)
• M25: 10,524,360 km (0.064 R)
• M26: 10,779,723 km (0.12 R)
• M27: 10,865,293 km (0.08 R)
• M28: 12,086,760 km (0.106 R)
• M29: 12,443,700 km (0.089 R)
• M30: 13,031,321 km (0.044 R)
• M31: 13,443,313 km (0.103 R)
• M32: 13,720,518 km (0.087 R)
• M33: 14,468,657 km (0.062 R)
• M34: 15,615,923 km (0.12 R)
• M35: 15,761,332 km (0.079 R)
• M36: 16,249,470 km (0.086 R)
• M37: 17,240,706 km (0.074 R)
• M38: 18,609,676 km (0.077 R)
• M39: 20,595,139 km (0.101 R)
• M40: 20,701,503 km (0.114 R)
• M41: 21,451,138 km (0.09 R)
• M42: 21,558,998 km (0.089 R)
• M43: 21,721,012 km (0.103 R)
• M44: 22,318,806 km (0.093 R)
• M45: 22,428,012 km (0.073 R)
• M46: 23,197,843 km (0.066 R)
• M47: 23,308,545 km (0.112 R)
• M48: 24,088,249 km (0.047 R)
• M49: 24,368,745 km (0.098 R)
• M50: 24,537,641 km (0.084 R)
• M51: 24,763,384 km (0.098 R)
• M52: 25,444,803 km (0.097 R)
• M53: 25,902,572 km (0.066 R)
• M54: 26,420,630 km (0.09 R)
• M55: 26,536,269 km (0.12 R)
• M56: 26,767,996 km (0.085 R)
• M57: 27,584,351 km (0.1 R)
• M58: 27,878,012 km (0.088 R)
• M59: 28,468,176 km (0.078 R)
• M60: 29,901,473 km (0.077 R)
• M61: 30,082,337 km (0.085 R)
• M62: 31,419,442 km (0.118 R)
• M63: 31,664,633 km (0.084 R)
• M64: 33,024,628 km (0.112 R)
• M65: 33,211,475 km (0.096 R)
• M66: 33,398,772 km (0.065 R)
• M67: 33,962,756 km (0.029 R)
• M68: 34,340,490 km (0.102 R)
• M69: 35,227,157 km (0.047 R)
• M70: 36,442,789 km (0.068 R)
• M71: 36,764,874 km (0.103 R)
• M72: 39,971,803 km (0.058 R)
• M73: 41,105,157 km (0.067 R)
• M74: 41,575,043 km (0.11 R)
• M75: 41,776,851 km (0.089 R)
• M76: 43,267,295 km (0.095 R)
• M77: 43,813,476 km (0.067 R)
• M78: 43,950,508 km (0.083 R)
• M79: 45,120,064 km (0.1 R)
• M80: 45,258,293 km (0.101 R)
• M81: 45,396,820 km (0.071 R)
• M82: 45,951,828 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 30.1

Radius: 4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 17.79 AU - 18.37 AU

Year: 28658 Days

Day: 24.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 34,126,646 km

• M1: 100,231 km (0.053 R)
• M2: 168,597 km (0.077 R)
• M3: 217,964 km (0.07 R)
• M4: 364,271 km (0.089 R)
• M5: 550,520 km (0.096 R)
• M6: 792,121 km (0.086 R)
• M7: 1,176,138 km (0.077 R)
• M8: 1,209,200 km (0.097 R)
• M9: 1,537,717 km (0.086 R)
• M10: 1,873,115 km (0.084 R)
• M11: 2,009,698 km (0.114 R)
• M12: 2,438,296 km (0.073 R)
• M13: 2,480,632 km (0.119 R)
• M14: 2,916,710 km (0.101 R)
• M15: 3,097,723 km (0.083 R)
• M16: 3,166,538 km (0.108 R)
• M17: 3,235,802 km (0.086 R)
• M18: 3,470,671 km (0.112 R)
• M19: 4,724,750 km (0.093 R)
• M20: 5,261,806 km (0.105 R)
• M21: 5,426,663 km (0.074 R)
• M22: 5,959,979 km (0.057 R)
• M23: 6,334,273 km (0.069 R)
• M24: 7,105,749 km (0.032 R)
• M25: 7,379,663 km (0.045 R)
• M26: 7,564,267 km (0.072 R)
• M27: 8,063,774 km (0.109 R)
• M28: 8,317,492 km (0.047 R)
• M29: 8,413,235 km (0.106 R)
• M30: 8,800,244 km (0.066 R)
• M31: 9,160,027 km (0.097 R)
• M32: 9,524,597 km (0.066 R)
• M33: 9,792,826 km (0.048 R)
• M34: 9,826,486 km (0.107 R)
• M35: 9,893,954 km (0.099 R)
• M36: 10,063,449 km (0.071 R)
• M37: 11,100,012 km (0.034 R)
• M38: 11,311,394 km (0.11 R)
• M39: 11,809,705 km (0.101 R)
• M40: 12,534,058 km (0.066 R)
• M41: 13,647,215 km (0.048 R)
• M42: 13,722,613 km (0.101 R)
• M43: 14,368,427 km (0.063 R)
• M44: 14,868,981 km (0.105 R)
• M45: 15,218,891 km (0.105 R)
• M46: 15,650,331 km (0.034 R)
• M47: 18,114,058 km (0.115 R)
• M48: 18,155,497 km (0.045 R)
• M49: 19,921,799 km (0.091 R)
• M50: 20,221,443 km (0.114 R)
• M51: 21,303,934 km (0.103 R)
• M52: 21,435,131 km (0.035 R)
• M53: 21,654,292 km (0.083 R)
• M54: 22,006,445 km (0.092 R)
• M55: 23,299,120 km (0.092 R)
• M56: 23,569,743 km (0.114 R)
• M57: 24,204,935 km (0.118 R)
• M58: 24,570,403 km (0.111 R)
• M59: 26,003,999 km (0.099 R)
• M60: 26,754,532 km (0.028 R)
• M61: 27,321,957 km (0.099 R)
• M62: 27,702,534 km (0.093 R)
• M63: 28,084,756 km (0.096 R)
• M64: 28,132,777 km (0.053 R)
• M65: 30,415,042 km (0.082 R)
• M66: 30,661,280 km (0.064 R)
• M67: 31,652,965 km (0.114 R)
• M68: 32,052,541 km (0.054 R)
• M69: 32,755,950 km (0.076 R)
• M70: 33,008,321 km (0.102 R)
• M71: 33,718,612 km (0.1 R)
• M72: 34,024,540 km (0.099 R)
• M73: 34,126,715 km (0.084 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: 282 - 16,929 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit