🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.53 AU - 0.65 AU

Year: 171 Days

Day: 15.6 Hours

Environment

Temp: 157 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.73 AU - 0.87 AU

Year: 270 Days

Day: 39.4 Hours

Environment

Temp: 124 °C

Axial Tilt: 25.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.46 AU - 1.48 AU

Year: 671 Days

Day: 16.5 Hours

Environment

Temp: -43 °C

Axial Tilt: 29.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,005,458 km

• M1: 392,246 km (0.08 R)
• M2: 1,328,279 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.8 AU - 1.9 AU

Year: 948 Days

Day: 19.2 Hours

Environment

Temp: -71 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.65 AU - 2.73 AU

Year: 1662 Days

Day: 30.2 Hours

Environment

Temp: -111 °C

Axial Tilt: 27.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.9

Radius: 8.5

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.29 AU - 10.97 AU

Year: 10393 Days

Day: 14.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 53,005,458 km

• M1: 206,894 km (0.115 R)
• M2: 291,417 km (0.113 R)
• M3: 453,282 km (0.103 R)
• M4: 616,642 km (0.106 R)
• M5: 752,028 km (0.065 R)
• M6: 1,070,971 km (0.101 R)
• M7: 1,124,976 km (0.095 R)
• M8: 1,370,616 km (0.12 R)
• M9: 1,469,649 km (0.069 R)
• M10: 1,550,732 km (0.085 R)
• M11: 1,696,141 km (0.09 R)
• M12: 1,781,262 km (0.083 R)
• M13: 2,346,143 km (0.055 R)
• M14: 2,586,996 km (0.105 R)
• M15: 2,660,748 km (0.055 R)
• M16: 2,835,777 km (0.109 R)
• M17: 3,092,338 km (0.077 R)
• M18: 3,250,014 km (0.094 R)
• M19: 3,600,671 km (0.101 R)
• M20: 3,711,074 km (0.102 R)
• M21: 4,544,634 km (0.085 R)
• M22: 4,724,151 km (0.083 R)
• M23: 5,402,278 km (0.082 R)
• M24: 5,592,567 km (0.067 R)
• M25: 5,752,936 km (0.059 R)
• M26: 6,342,501 km (0.03 R)
• M27: 6,848,441 km (0.107 R)
• M28: 6,951,215 km (0.096 R)
• M29: 7,934,970 km (0.058 R)
• M30: 8,260,346 km (0.035 R)
• M31: 9,605,530 km (0.043 R)
• M32: 9,720,570 km (0.061 R)
• M33: 9,797,613 km (0.113 R)
• M34: 10,107,730 km (0.115 R)
• M35: 10,698,043 km (0.067 R)
• M36: 11,218,494 km (0.116 R)
• M37: 11,706,333 km (0.111 R)
• M38: 11,952,870 km (0.091 R)
• M39: 12,660,617 km (0.062 R)
• M40: 12,787,028 km (0.093 R)
• M41: 12,998,409 km (0.111 R)
• M42: 13,125,867 km (0.113 R)
• M43: 13,812,671 km (0.118 R)
• M44: 14,554,975 km (0.108 R)
• M45: 14,687,369 km (0.093 R)
• M46: 14,953,354 km (0.117 R)
• M47: 17,277,208 km (0.114 R)
• M48: 17,745,898 km (0.117 R)
• M49: 17,934,541 km (0.043 R)
• M50: 19,467,769 km (0.062 R)
• M51: 20,644,955 km (0.105 R)
• M52: 20,744,138 km (0.05 R)
• M53: 22,453,743 km (0.11 R)
• M54: 23,222,227 km (0.045 R)
• M55: 23,428,523 km (0.063 R)
• M56: 23,687,476 km (0.049 R)
• M57: 24,469,724 km (0.116 R)
• M58: 24,837,585 km (0.087 R)
• M59: 25,578,992 km (0.081 R)
• M60: 25,738,912 km (0.069 R)
• M61: 25,792,169 km (0.06 R)
• M62: 26,921,034 km (0.079 R)
• M63: 27,464,224 km (0.071 R)
• M64: 27,518,678 km (0.07 R)
• M65: 27,682,488 km (0.063 R)
• M66: 28,450,972 km (0.068 R)
• M67: 28,506,173 km (0.103 R)
• M68: 28,561,375 km (0.077 R)
• M69: 29,784,786 km (0.09 R)
• M70: 30,009,034 km (0.036 R)
• M71: 30,346,526 km (0.067 R)
• M72: 31,138,797 km (0.081 R)
• M73: 31,309,488 km (0.095 R)
• M74: 32,224,877 km (0.062 R)
• M75: 32,801,577 km (0.113 R)
• M76: 33,091,199 km (0.098 R)
• M77: 33,381,568 km (0.084 R)
• M78: 33,439,762 km (0.117 R)
• M79: 35,260,517 km (0.104 R)
• M80: 35,675,951 km (0.03 R)
• M81: 36,452,064 km (0.113 R)
• M82: 37,717,513 km (0.065 R)
• M83: 39,303,998 km (0.114 R)
• M84: 39,426,968 km (0.111 R)
• M85: 39,488,452 km (0.105 R)
• M86: 41,161,555 km (0.072 R)
• M87: 41,223,937 km (0.093 R)
• M88: 41,599,129 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289

Radius: 7.4

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 10.61 AU - 15.63 AU

Year: 17903 Days

Day: 21.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 53,005,458 km

• M1: 409,300 km (0.114 R)
• M2: 719,416 km (0.106 R)
• M3: 908,957 km (0.106 R)
• M4: 968,945 km (0.119 R)
• M5: 1,244,654 km (0.074 R)
• M6: 1,690,606 km (0.12 R)
• M7: 1,970,054 km (0.094 R)
• M8: 2,346,742 km (0.095 R)
• M9: 2,745,869 km (0.087 R)
• M10: 3,013,649 km (0.115 R)
• M11: 3,074,236 km (0.049 R)
• M12: 3,166,089 km (0.069 R)
• M13: 3,415,170 km (0.117 R)
• M14: 3,510,314 km (0.111 R)
• M15: 3,574,192 km (0.119 R)
• M16: 3,899,418 km (0.115 R)
• M17: 4,370,951 km (0.085 R)
• M18: 4,508,880 km (0.057 R)
• M19: 5,890,566 km (0.052 R)
• M20: 6,197,092 km (0.033 R)
• M21: 6,352,225 km (0.072 R)
• M22: 8,227,584 km (0.06 R)
• M23: 8,398,275 km (0.084 R)
• M24: 9,491,387 km (0.061 R)
• M25: 9,670,455 km (0.089 R)
• M26: 9,805,392 km (0.097 R)
• M27: 9,895,750 km (0.093 R)
• M28: 9,986,406 km (0.06 R)
• M29: 10,397,650 km (0.106 R)
• M30: 10,536,028 km (0.079 R)
• M31: 11,331,440 km (0.092 R)
• M32: 12,291,709 km (0.084 R)
• M33: 12,584,921 km (0.087 R)
• M34: 12,831,009 km (0.109 R)
• M35: 13,629,114 km (0.087 R)
• M36: 14,085,088 km (0.109 R)
• M37: 14,391,914 km (0.114 R)
• M38: 16,331,899 km (0.08 R)
• M39: 17,087,218 km (0.064 R)
• M40: 17,469,142 km (0.08 R)
• M41: 17,853,758 km (0.081 R)
• M42: 18,631,667 km (0.074 R)
• M43: 18,743,716 km (0.087 R)
• M44: 20,277,692 km (0.06 R)
• M45: 21,264,141 km (0.071 R)
• M46: 21,674,936 km (0.114 R)
• M47: 21,733,878 km (0.109 R)
• M48: 22,504,307 km (0.094 R)
• M49: 28,786,520 km (0.051 R)
• M50: 29,893,843 km (0.089 R)
• M51: 31,614,219 km (0.091 R)
• M52: 33,434,376 km (0.115 R)
• M53: 33,911,893 km (0.072 R)
• M54: 34,529,133 km (0.102 R)
• M55: 34,666,763 km (0.045 R)
• M56: 35,080,850 km (0.085 R)
• M57: 35,913,811 km (0.082 R)
• M58: 36,192,961 km (0.099 R)
• M59: 37,670,240 km (0.106 R)
• M60: 38,380,531 km (0.112 R)
• M61: 38,451,889 km (0.11 R)
• M62: 39,454,344 km (0.063 R)
• M63: 40,103,300 km (0.105 R)
• M64: 40,974,258 km (0.056 R)
• M65: 41,047,113 km (0.057 R)
• M66: 41,485,135 km (0.104 R)
• M67: 41,558,288 km (0.093 R)
• M68: 43,326,835 km (0.111 R)
• M69: 44,295,032 km (0.106 R)
• M70: 45,195,013 km (0.047 R)
• M71: 45,798,341 km (0.057 R)
• M72: 46,556,353 km (0.035 R)
• M73: 47,471,444 km (0.117 R)
• M74: 48,161,538 km (0.088 R)
• M75: 48,855,074 km (0.065 R)
• M76: 49,009,609 km (0.118 R)
• M77: 49,086,951 km (0.059 R)
• M78: 52,292,684 km (0.114 R)
• M79: 52,846,794 km (0.069 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 14,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit