🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.63 AU - 0.95 AU

Year: 246 Days

Day: 23.5 Hours

Environment

Temp: 190 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,747,793 km

• M1: 670,498 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.03 AU - 1.15 AU

Year: 398 Days

Day: 46.5 Hours

Environment

Temp: 81 °C

Axial Tilt: 149.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.94 AU - 1.34 AU

Year: 426 Days

Day: 22.9 Hours

Environment

Temp: 23 °C

Axial Tilt: 12.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.27 AU - 1.29 AU

Year: 507 Days

Day: 28.2 Hours

Environment

Temp: 17 °C

Axial Tilt: 1.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 63,747,793 km

• M1: 133,740 km (0.099 R)
• M2: 235,467 km (0.06 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.22 AU - 1.36 AU

Year: 513 Days

Day: 19.2 Hours

Environment

Temp: 19 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.27 AU - 2.41 AU

Year: 1252 Days

Day: 44.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,747,793 km

• M1: 83,176 km (0.054 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.62 AU - 4.12 AU

Year: 2164 Days

Day: 20.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.65 AU - 4.69 AU

Year: 2979 Days

Day: 24 Hours

Environment

Temp: -110 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.6

Radius: 10.7

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.09 AU - 10.43 AU

Year: 9858 Days

Day: 11 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 63,747,793 km

• M1: 170,841 km (0.035 R)
• M2: 493,224 km (0.119 R)
• M3: 776,413 km (0.063 R)
• M4: 1,216,231 km (0.046 R)
• M5: 1,303,895 km (0.101 R)
• M6: 1,652,757 km (0.047 R)
• M7: 2,189,514 km (0.091 R)
• M8: 2,604,798 km (0.06 R)
• M9: 3,014,547 km (0.101 R)
• M10: 3,476,355 km (0.118 R)
• M11: 3,603,214 km (0.074 R)
• M12: 4,431,538 km (0.084 R)
• M13: 4,956,028 km (0.036 R)
• M14: 5,648,816 km (0.11 R)
• M15: 5,836,112 km (0.074 R)
• M16: 6,063,800 km (0.068 R)
• M17: 6,140,245 km (0.102 R)
• M18: 6,217,138 km (0.071 R)
• M19: 6,488,658 km (0.083 R)
• M20: 6,606,242 km (0.03 R)
• M21: 7,164,392 km (0.081 R)
• M22: 7,696,212 km (0.115 R)
• M23: 8,240,748 km (0.09 R)
• M24: 9,234,677 km (0.032 R)
• M25: 10,038,765 km (0.045 R)
• M26: 10,865,293 km (0.094 R)
• M27: 11,145,640 km (0.089 R)
• M28: 11,761,235 km (0.053 R)
• M29: 12,680,963 km (0.113 R)
• M30: 12,976,119 km (0.068 R)
• M31: 13,573,464 km (0.089 R)
• M32: 13,673,844 km (0.091 R)
• M33: 13,824,938 km (0.044 R)
• M34: 14,383,835 km (0.096 R)
• M35: 15,157,705 km (0.065 R)
• M36: 15,261,975 km (0.106 R)
• M37: 15,945,188 km (0.077 R)
• M38: 16,477,607 km (0.043 R)
• M39: 17,178,323 km (0.098 R)
• M40: 17,505,045 km (0.093 R)
• M41: 17,943,965 km (0.087 R)
• M42: 18,609,078 km (0.105 R)
• M43: 20,594,690 km (0.072 R)
• M44: 21,174,382 km (0.093 R)
• M45: 21,641,875 km (0.119 R)
• M46: 21,818,101 km (0.108 R)
• M47: 23,005,161 km (0.088 R)
• M48: 23,305,104 km (0.043 R)
• M49: 23,909,180 km (0.1 R)
• M50: 25,689,545 km (0.104 R)
• M51: 25,876,243 km (0.111 R)
• M52: 26,063,240 km (0.089 R)
• M53: 26,313,368 km (0.103 R)
• M54: 26,690,055 km (0.086 R)
• M55: 29,116,982 km (0.063 R)
• M56: 29,441,609 km (0.082 R)
• M57: 31,347,635 km (0.104 R)
• M58: 31,680,341 km (0.064 R)
• M59: 33,022,683 km (0.113 R)
• M60: 33,836,944 km (0.087 R)
• M61: 34,314,909 km (0.103 R)
• M62: 34,383,425 km (0.06 R)
• M63: 34,520,606 km (0.111 R)
• M64: 34,657,787 km (0.108 R)
• M65: 34,795,268 km (0.068 R)
• M66: 35,554,477 km (0.06 R)
• M67: 36,040,521 km (0.115 R)
• M68: 36,389,084 km (0.076 R)
• M69: 37,159,662 km (0.105 R)
• M70: 37,723,497 km (0.119 R)
• M71: 38,788,334 km (0.089 R)
• M72: 38,859,692 km (0.077 R)
• M73: 38,931,051 km (0.076 R)
• M74: 39,002,558 km (0.096 R)
• M75: 40,079,214 km (0.11 R)
• M76: 41,020,185 km (0.115 R)
• M77: 41,311,302 km (0.1 R)
• M78: 42,041,789 km (0.075 R)
• M79: 42,555,657 km (0.062 R)
• M80: 42,850,365 km (0.103 R)
• M81: 42,924,117 km (0.076 R)
• M82: 47,884,633 km (0.115 R)
• M83: 48,498,134 km (0.088 R)
• M84: 48,575,027 km (0.051 R)
• M85: 49,655,423 km (0.026 R)
• M86: 49,732,915 km (0.105 R)
• M87: 51,369,216 km (0.07 R)
• M88: 51,997,228 km (0.083 R)
• M89: 52,548,945 km (0.064 R)

Planet 10 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 1000

Radius: 10.2

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 8.89 AU - 13.03 AU

Year: 12694 Days

Day: 8 Hours

Environment

Temp: -183 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 63,747,793 km

• M1: 255,663 km (0.094 R)
• M2: 543,489 km (0.109 R)
• M3: 635,791 km (0.036 R)
• M4: 775,067 km (0.105 R)
• M5: 1,085,333 km (0.104 R)
• M6: 1,759,421 km (0.111 R)
• M7: 2,229,906 km (0.114 R)
• M8: 2,416,305 km (0.083 R)
• M9: 3,108,943 km (0.112 R)
• M10: 3,247,620 km (0.078 R)
• M11: 3,423,846 km (0.116 R)
• M12: 3,639,567 km (0.095 R)
• M13: 4,084,620 km (0.075 R)
• M14: 4,198,614 km (0.108 R)
• M15: 4,985,349 km (0.063 R)
• M16: 5,271,530 km (0.042 R)
• M17: 5,437,583 km (0.108 R)
• M18: 5,945,767 km (0.081 R)
• M19: 8,223,096 km (0.118 R)
• M20: 8,756,711 km (0.098 R)
• M21: 10,685,477 km (0.079 R)
• M22: 10,843,302 km (0.104 R)
• M23: 11,751,661 km (0.101 R)
• M24: 12,187,439 km (0.115 R)
• M25: 12,573,252 km (0.111 R)
• M26: 13,131,402 km (0.063 R)
• M27: 13,356,846 km (0.104 R)
• M28: 13,526,789 km (0.11 R)
• M29: 14,041,107 km (0.102 R)
• M30: 14,971,157 km (0.098 R)
• M31: 16,463,844 km (0.095 R)
• M32: 16,951,533 km (0.097 R)
• M33: 17,505,793 km (0.119 R)
• M34: 18,442,874 km (0.036 R)
• M35: 20,235,206 km (0.087 R)
• M36: 21,020,296 km (0.065 R)
• M37: 21,416,581 km (0.109 R)
• M38: 21,482,853 km (0.027 R)
• M39: 21,682,117 km (0.112 R)
• M40: 21,815,409 km (0.114 R)
• M41: 22,620,245 km (0.105 R)
• M42: 23,230,305 km (0.113 R)
• M43: 23,434,806 km (0.1 R)
• M44: 23,571,538 km (0.1 R)
• M45: 23,640,054 km (0.117 R)
• M46: 23,777,086 km (0.056 R)
• M47: 24,259,090 km (0.041 R)
• M48: 24,813,799 km (0.039 R)
• M49: 25,513,169 km (0.074 R)
• M50: 27,074,372 km (0.053 R)
• M51: 29,400,021 km (0.085 R)
• M52: 29,695,177 km (0.101 R)
• M53: 30,214,132 km (0.075 R)
• M54: 30,736,079 km (0.111 R)
• M55: 31,562,308 km (0.091 R)
• M56: 31,637,855 km (0.116 R)
• M57: 32,319,722 km (0.05 R)
• M58: 33,006,676 km (0.054 R)
• M59: 33,775,459 km (0.118 R)
• M60: 35,017,720 km (0.102 R)
• M61: 35,174,050 km (0.103 R)
• M62: 35,723,074 km (0.097 R)
• M63: 36,354,078 km (0.119 R)
• M64: 38,349,414 km (0.094 R)
• M65: 39,726,463 km (0.083 R)
• M66: 39,971,205 km (0.085 R)
• M67: 40,872,681 km (0.069 R)
• M68: 41,284,674 km (0.057 R)
• M69: 41,863,767 km (0.109 R)
• M70: 42,279,051 km (0.06 R)
• M71: 43,113,807 km (0.093 R)
• M72: 45,735,659 km (0.12 R)
• M73: 46,077,790 km (0.093 R)
• M74: 48,844,752 km (0.083 R)
• M75: 49,194,362 km (0.071 R)
• M76: 49,808,312 km (0.097 R)
• M77: 50,689,593 km (0.074 R)
• M78: 51,043,691 km (0.089 R)
• M79: 51,220,965 km (0.099 R)
• M80: 52,736,391 km (0.051 R)
• M81: 54,175,971 km (0.114 R)
• M82: 54,809,967 km (0.099 R)
• M83: 55,993,735 km (0.092 R)
• M84: 56,818,169 km (0.106 R)
• M85: 57,462,188 km (0.079 R)
• M86: 58,016,149 km (0.11 R)
• M87: 59,129,456 km (0.102 R)
• M88: 59,595,304 km (0.093 R)
• M89: 60,343,443 km (0.069 R)
• M90: 62,037,788 km (0.074 R)
• M91: 63,080,934 km (0.112 R)

Kuiper Belt

Range: 31.4 - 59.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 17,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit