🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.43 AU - 0.63 AU

Year: 140 Days

Day: 39.6 Hours

Environment

Temp: 207 °C

Axial Tilt: 26.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,798,159 km

• M1: 303,684 km (0.083 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.44 AU - 0.68 AU

Year: 152 Days

Day: 32.7 Hours

Environment

Temp: 173 °C

Axial Tilt: 23 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.65 AU - 1.05 AU

Year: 285 Days

Day: 25.7 Hours

Environment

Temp: 120 °C

Axial Tilt: 1.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,798,159 km

• M1: 111,750 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.66 AU - 2.48 AU

Year: 1082 Days

Day: 41.5 Hours

Environment

Temp: -69 °C

Axial Tilt: 15.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,798,159 km

• M1: 160,219 km (0.085 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.08 AU - 3.12 AU

Year: 1524 Days

Day: 29.8 Hours

Environment

Temp: -79 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.51 AU - 2.89 AU

Year: 1612 Days

Day: 22.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.42 AU - 3.34 AU

Year: 1776 Days

Day: 45.5 Hours

Environment

Temp: -98 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.23

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.28 AU - 4.82 AU

Year: 2962 Days

Day: 33.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,798,159 km

• M1: 26,030 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.5

Radius: 8.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.18 AU - 9.2 AU

Year: 9310 Days

Day: 12.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 76,798,159 km

• M1: 122,221 km (0.104 R)
• M2: 247,734 km (0.095 R)
• M3: 362,476 km (0.057 R)
• M4: 476,320 km (0.106 R)
• M5: 591,360 km (0.042 R)
• M6: 665,112 km (0.101 R)
• M7: 809,474 km (0.053 R)
• M8: 1,144,723 km (0.034 R)
• M9: 1,504,207 km (0.094 R)
• M10: 1,678,937 km (0.118 R)
• M11: 2,067,742 km (0.084 R)
• M12: 2,423,037 km (0.101 R)
• M13: 2,861,807 km (0.055 R)
• M14: 3,416,367 km (0.108 R)
• M15: 3,508,220 km (0.117 R)
• M16: 3,717,806 km (0.075 R)
• M17: 3,979,603 km (0.106 R)
• M18: 4,173,930 km (0.093 R)
• M19: 4,622,275 km (0.075 R)
• M20: 4,903,968 km (0.054 R)
• M21: 5,217,675 km (0.109 R)
• M22: 5,727,654 km (0.083 R)
• M23: 5,919,588 km (0.062 R)
• M24: 6,253,640 km (0.087 R)
• M25: 6,366,437 km (0.057 R)
• M26: 7,056,831 km (0.085 R)
• M27: 7,650,286 km (0.086 R)
• M28: 7,861,817 km (0.091 R)
• M29: 8,105,961 km (0.068 R)
• M30: 8,228,930 km (0.056 R)
• M31: 8,290,714 km (0.103 R)
• M32: 8,507,930 km (0.119 R)
• M33: 8,727,241 km (0.118 R)
• M34: 9,011,776 km (0.064 R)
• M35: 9,139,233 km (0.067 R)
• M36: 9,299,452 km (0.113 R)
• M37: 9,460,420 km (0.085 R)
• M38: 9,655,047 km (0.077 R)
• M39: 9,752,884 km (0.068 R)
• M40: 9,949,306 km (0.114 R)
• M41: 10,714,947 km (0.048 R)
• M42: 12,302,330 km (0.097 R)
• M43: 13,015,164 km (0.077 R)
• M44: 14,592,823 km (0.089 R)
• M45: 14,742,571 km (0.055 R)
• M46: 15,308,949 km (0.08 R)
• M47: 15,805,613 km (0.117 R)
• M48: 16,113,785 km (0.08 R)
• M49: 17,247,737 km (0.071 R)
• M50: 17,804,391 km (0.104 R)
• M51: 17,884,425 km (0.112 R)
• M52: 17,964,610 km (0.073 R)
• M53: 18,609,826 km (0.081 R)
• M54: 18,853,820 km (0.105 R)
• M55: 19,633,225 km (0.104 R)
• M56: 20,297,888 km (0.112 R)
• M57: 20,716,912 km (0.109 R)
• M58: 21,649,056 km (0.091 R)
• M59: 21,905,616 km (0.044 R)
• M60: 22,206,158 km (0.119 R)
• M61: 22,724,665 km (0.084 R)
• M62: 23,072,629 km (0.119 R)
• M63: 23,290,892 km (0.111 R)
• M64: 24,348,549 km (0.065 R)
• M65: 25,062,281 km (0.069 R)
• M66: 26,054,863 km (0.067 R)
• M67: 26,876,454 km (0.095 R)
• M68: 27,106,237 km (0.113 R)
• M69: 27,475,145 km (0.104 R)
• M70: 28,031,799 km (0.082 R)
• M71: 28,218,048 km (0.077 R)
• M72: 28,358,072 km (0.044 R)
• M73: 28,451,570 km (0.081 R)
• M74: 29,203,150 km (0.115 R)
• M75: 30,151,750 km (0.097 R)
• M76: 30,581,994 km (0.093 R)
• M77: 31,110,523 km (0.086 R)
• M78: 32,079,169 km (0.11 R)
• M79: 32,665,144 km (0.088 R)
• M80: 32,812,199 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.1

Radius: 4.2

Gravity: 28.97 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 13.41 AU - 18.79 AU

Year: 23478 Days

Day: 21.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 51.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 76,798,159 km

• M1: 153,188 km (0.113 R)
• M2: 207,492 km (0.102 R)
• M3: 392,694 km (0.106 R)
• M4: 712,834 km (0.09 R)
• M5: 988,692 km (0.079 R)
• M6: 1,660,237 km (0.058 R)
• M7: 1,887,327 km (0.054 R)
• M8: 2,264,014 km (0.076 R)
• M9: 3,006,319 km (0.108 R)
• M10: 3,084,259 km (0.105 R)
• M11: 3,566,712 km (0.066 R)
• M12: 3,859,027 km (0.119 R)
• M13: 4,029,419 km (0.112 R)
• M14: 5,102,783 km (0.081 R)
• M15: 5,384,177 km (0.085 R)
• M16: 5,479,172 km (0.075 R)
• M17: 5,574,615 km (0.115 R)
• M18: 6,208,611 km (0.06 R)
• M19: 7,071,641 km (0.063 R)
• M20: 8,188,539 km (0.092 R)
• M21: 8,850,958 km (0.058 R)
• M22: 8,963,156 km (0.048 R)
• M23: 9,416,139 km (0.057 R)
• M24: 9,530,581 km (0.098 R)
• M25: 12,037,692 km (0.117 R)
• M26: 12,411,537 km (0.073 R)
• M27: 13,170,597 km (0.043 R)
• M28: 13,879,690 km (0.097 R)
• M29: 13,944,766 km (0.117 R)
• M30: 14,075,215 km (0.091 R)
• M31: 15,604,105 km (0.117 R)
• M32: 16,629,299 km (0.076 R)
• M33: 16,975,918 km (0.089 R)
• M34: 18,600,550 km (0.097 R)
• M35: 19,540,474 km (0.104 R)
• M36: 19,832,788 km (0.106 R)
• M37: 20,792,758 km (0.066 R)
• M38: 22,834,469 km (0.083 R)
• M39: 22,911,213 km (0.071 R)
• M40: 23,142,342 km (0.111 R)
• M41: 23,296,727 km (0.107 R)
• M42: 23,606,694 km (0.101 R)
• M43: 23,840,066 km (0.119 R)
• M44: 23,995,947 km (0.096 R)
• M45: 25,256,010 km (0.082 R)
• M46: 25,494,619 km (0.113 R)
• M47: 27,349,034 km (0.049 R)
• M48: 28,747,176 km (0.109 R)
• M49: 28,830,202 km (0.117 R)
• M50: 32,818,781 km (0.113 R)
• M51: 32,905,398 km (0.104 R)
• M52: 33,514,561 km (0.084 R)
• M53: 34,039,799 km (0.082 R)
• M54: 34,127,613 km (0.079 R)
• M55: 34,479,467 km (0.065 R)
• M56: 35,809,691 km (0.113 R)
• M57: 36,976,106 km (0.045 R)
• M58: 37,428,041 km (0.106 R)
• M59: 38,428,851 km (0.108 R)
• M60: 39,807,545 km (0.04 R)
• M61: 40,085,198 km (0.071 R)
• M62: 40,642,450 km (0.078 R)
• M63: 41,295,894 km (0.111 R)
• M64: 43,372,013 km (0.11 R)
• M65: 44,326,896 km (0.117 R)
• M66: 45,192,170 km (0.064 R)
• M67: 47,037,161 km (0.11 R)
• M68: 48,510,999 km (0.102 R)
• M69: 49,402,453 km (0.087 R)
• M70: 50,099,729 km (0.12 R)
• M71: 51,101,286 km (0.068 R)
• M72: 51,201,816 km (0.1 R)
• M73: 52,008,448 km (0.066 R)
• M74: 53,531,952 km (0.06 R)
• M75: 55,689,453 km (0.067 R)
• M76: 55,896,496 km (0.12 R)
• M77: 57,561,222 km (0.092 R)
• M78: 58,294,700 km (0.117 R)
• M79: 59,348,018 km (0.12 R)
• M80: 61,152,767 km (0.116 R)
• M81: 62,545,075 km (0.099 R)
• M82: 63,083,328 km (0.065 R)
• M83: 65,033,785 km (0.096 R)
• M84: 65,906,988 km (0.071 R)
• M85: 66,784,080 km (0.093 R)
• M86: 68,549,783 km (0.091 R)
• M87: 70,778,493 km (0.117 R)
• M88: 71,339,335 km (0.103 R)
• M89: 71,451,683 km (0.096 R)
• M90: 71,676,529 km (0.106 R)
• M91: 73,257,329 km (0.081 R)
• M92: 75,420,814 km (0.069 R)
• M93: 75,535,406 km (0.116 R)
• M94: 75,879,032 km (0.06 R)
• M95: 76,108,515 km (0.103 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 19,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit