🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.4 AU - 0.64 AU

Year: 138 Days

Day: 40.3 Hours

Environment

Temp: 232 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,267,273 km

• M1: 358,586 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.52 AU - 1.88 AU

Year: 814 Days

Day: 46.6 Hours

Environment

Temp: -45 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,267,273 km

• M1: 100,081 km (0.108 R)
• M2: 1,607,579 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.64 AU - 2.38 AU

Year: 1046 Days

Day: 39.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.86 AU - 3.08 AU

Year: 1879 Days

Day: 12.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.34

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.15 AU - 4.21 AU

Year: 2591 Days

Day: 20.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,267,273 km

• M1: 476,619 km (0.035 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.99 AU - 4.41 AU

Year: 2613 Days

Day: 22.3 Hours

Environment

Temp: -118 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.05 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.99 AU - 4.79 AU

Year: 3377 Days

Day: 33.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 125.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,267,273 km

• M1: 1,898,696 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.9

Radius: 14.9

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.92 AU - 5.78 AU

Year: 3921 Days

Day: 8.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 72,267,273 km

• M1: 187,895 km (0.052 R)
• M2: 327,171 km (0.105 R)
• M3: 467,493 km (0.072 R)
• M4: 565,929 km (0.098 R)
• M5: 758,012 km (0.119 R)
• M6: 1,045,988 km (0.084 R)
• M7: 1,203,964 km (0.067 R)
• M8: 1,350,570 km (0.053 R)
• M9: 1,587,533 km (0.119 R)
• M10: 1,771,987 km (0.11 R)
• M11: 1,952,402 km (0.088 R)
• M12: 2,068,340 km (0.118 R)
• M13: 2,162,886 km (0.117 R)
• M14: 2,258,928 km (0.095 R)
• M15: 2,658,055 km (0.067 R)
• M16: 2,774,442 km (0.101 R)
• M17: 3,079,921 km (0.116 R)
• M18: 3,480,993 km (0.1 R)
• M19: 3,666,345 km (0.094 R)
• M20: 3,825,666 km (0.054 R)
• M21: 4,257,256 km (0.102 R)
• M22: 4,610,756 km (0.116 R)
• M23: 4,783,242 km (0.047 R)
• M24: 5,232,186 km (0.091 R)
• M25: 5,528,090 km (0.114 R)
• M26: 5,728,402 km (0.115 R)
• M27: 5,965,215 km (0.103 R)
• M28: 6,153,559 km (0.116 R)
• M29: 6,361,350 km (0.116 R)
• M30: 6,712,905 km (0.096 R)
• M31: 7,306,958 km (0.085 R)
• M32: 7,453,415 km (0.118 R)
• M33: 7,638,018 km (0.117 R)
• M34: 7,768,169 km (0.118 R)
• M35: 8,011,864 km (0.103 R)
• M36: 8,372,694 km (0.115 R)
• M37: 8,603,374 km (0.119 R)
• M38: 8,758,207 km (0.098 R)
• M39: 9,129,958 km (0.107 R)
• M40: 9,467,002 km (0.117 R)
• M41: 9,667,164 km (0.06 R)
• M42: 10,051,331 km (0.054 R)
• M43: 10,194,197 km (0.098 R)
• M44: 10,814,131 km (0.044 R)
• M45: 10,918,550 km (0.043 R)
• M46: 11,044,512 km (0.096 R)
• M47: 11,488,817 km (0.115 R)
• M48: 12,680,364 km (0.104 R)
• M49: 13,346,823 km (0.03 R)
• M50: 13,459,021 km (0.095 R)
• M51: 13,707,055 km (0.043 R)
• M52: 13,820,300 km (0.114 R)
• M53: 13,956,434 km (0.078 R)
• M54: 14,093,167 km (0.106 R)
• M55: 14,253,236 km (0.097 R)
• M56: 14,391,016 km (0.096 R)
• M57: 14,506,057 km (0.069 R)
• M58: 14,806,748 km (0.087 R)
• M59: 15,016,185 km (0.095 R)
• M60: 15,461,389 km (0.077 R)
• M61: 15,863,508 km (0.034 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.1

Radius: 12.1

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.73 AU - 9.97 AU

Year: 9665 Days

Day: 7.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 72,267,273 km

• M1: 151,692 km (0.107 R)
• M2: 520,900 km (0.04 R)
• M3: 612,603 km (0.063 R)
• M4: 769,980 km (0.065 R)
• M5: 958,174 km (0.104 R)
• M6: 1,110,016 km (0.09 R)
• M7: 1,215,931 km (0.069 R)
• M8: 1,381,536 km (0.104 R)
• M9: 1,614,460 km (0.095 R)
• M10: 1,881,492 km (0.101 R)
• M11: 2,366,040 km (0.06 R)
• M12: 2,963,085 km (0.115 R)
• M13: 3,766,426 km (0.079 R)
• M14: 4,067,267 km (0.046 R)
• M15: 4,150,743 km (0.096 R)
• M16: 4,634,392 km (0.082 R)
• M17: 5,076,305 km (0.069 R)
• M18: 5,256,869 km (0.093 R)
• M19: 5,748,897 km (0.072 R)
• M20: 5,874,110 km (0.062 R)
• M21: 6,063,950 km (0.101 R)
• M22: 6,612,525 km (0.077 R)
• M23: 6,942,688 km (0.116 R)
• M24: 7,278,385 km (0.093 R)
• M25: 7,380,112 km (0.088 R)
• M26: 7,688,283 km (0.11 R)
• M27: 7,930,782 km (0.11 R)
• M28: 8,566,273 km (0.118 R)
• M29: 8,709,738 km (0.065 R)
• M30: 8,853,950 km (0.088 R)
• M31: 9,848,477 km (0.12 R)
• M32: 10,454,498 km (0.099 R)
• M33: 10,916,905 km (0.076 R)
• M34: 11,189,771 km (0.099 R)
• M35: 11,307,505 km (0.082 R)
• M36: 11,662,949 km (0.115 R)
• M37: 12,628,603 km (0.111 R)
• M38: 12,874,094 km (0.085 R)
• M39: 13,369,861 km (0.059 R)
• M40: 13,703,763 km (0.114 R)
• M41: 13,998,322 km (0.097 R)
• M42: 14,125,031 km (0.074 R)
• M43: 14,337,310 km (0.106 R)
• M44: 14,894,263 km (0.063 R)
• M45: 14,980,581 km (0.103 R)
• M46: 15,940,850 km (0.113 R)
• M47: 16,696,618 km (0.04 R)
• M48: 16,786,377 km (0.116 R)
• M49: 17,464,055 km (0.056 R)
• M50: 17,737,670 km (0.118 R)
• M51: 17,920,927 km (0.04 R)
• M52: 18,381,539 km (0.068 R)
• M53: 19,361,854 km (0.074 R)
• M54: 21,081,781 km (0.117 R)
• M55: 21,421,817 km (0.095 R)
• M56: 21,714,729 km (0.12 R)
• M57: 22,156,641 km (0.077 R)
• M58: 22,452,995 km (0.106 R)
• M59: 22,601,546 km (0.115 R)
• M60: 23,099,407 km (0.111 R)
• M61: 23,651,124 km (0.096 R)
• M62: 25,023,834 km (0.106 R)
• M63: 25,693,883 km (0.103 R)
• M64: 26,370,065 km (0.079 R)
• M65: 27,686,527 km (0.109 R)
• M66: 27,952,362 km (0.11 R)
• M67: 28,486,726 km (0.105 R)
• M68: 28,808,960 km (0.082 R)
• M69: 29,078,385 km (0.11 R)
• M70: 29,294,554 km (0.11 R)
• M71: 29,619,780 km (0.113 R)
• M72: 29,891,599 km (0.028 R)
• M73: 30,877,449 km (0.096 R)
• M74: 32,600,218 km (0.034 R)
• M75: 32,881,014 km (0.084 R)
• M76: 33,898,578 km (0.071 R)
• M77: 34,069,120 km (0.053 R)
• M78: 34,869,020 km (0.093 R)
• M79: 35,271,288 km (0.099 R)
• M80: 36,370,833 km (0.072 R)
• M81: 36,954,115 km (0.081 R)
• M82: 38,425,709 km (0.087 R)
• M83: 38,662,971 km (0.031 R)
• M84: 39,019,762 km (0.051 R)
• M85: 39,736,635 km (0.042 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611

Radius: 5.3

Gravity: 21.75 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 11.68 AU - 16.68 AU

Year: 19601 Days

Day: 15.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 72,267,273 km

• M1: 72,405 km (0.071 R)
• M2: 643,570 km (0.061 R)
• M3: 755,170 km (0.074 R)
• M4: 825,182 km (0.031 R)
• M5: 2,280,919 km (0.06 R)
• M6: 2,349,135 km (0.114 R)
• M7: 2,417,950 km (0.091 R)
• M8: 2,918,505 km (0.097 R)
• M9: 3,450,176 km (0.085 R)
• M10: 3,848,106 km (0.048 R)
• M11: 5,171,449 km (0.037 R)
• M12: 5,718,229 km (0.073 R)
• M13: 6,235,389 km (0.117 R)
• M14: 6,669,671 km (0.104 R)
• M15: 6,964,529 km (0.108 R)
• M16: 7,113,678 km (0.053 R)
• M17: 7,263,725 km (0.084 R)
• M18: 8,238,654 km (0.078 R)
• M19: 8,502,096 km (0.091 R)
• M20: 8,983,053 km (0.069 R)
• M21: 9,253,975 km (0.034 R)
• M22: 10,935,754 km (0.097 R)
• M23: 11,225,076 km (0.086 R)
• M24: 11,811,350 km (0.032 R)
• M25: 12,048,613 km (0.109 R)
• M26: 12,588,212 km (0.069 R)
• M27: 13,877,746 km (0.072 R)
• M28: 15,016,185 km (0.094 R)
• M29: 15,596,476 km (0.099 R)
• M30: 16,912,189 km (0.115 R)
• M31: 17,179,670 km (0.069 R)
• M32: 17,583,285 km (0.104 R)
• M33: 17,854,207 km (0.081 R)
• M34: 17,922,124 km (0.047 R)
• M35: 18,537,420 km (0.098 R)
• M36: 19,020,771 km (0.048 R)
• M37: 20,424,448 km (0.097 R)
• M38: 22,298,610 km (0.061 R)
• M39: 22,738,876 km (0.094 R)
• M40: 23,034,033 km (0.045 R)
• M41: 23,107,934 km (0.075 R)
• M42: 23,256,186 km (0.055 R)
• M43: 23,404,587 km (0.054 R)
• M44: 23,478,937 km (0.073 R)
• M45: 24,603,913 km (0.052 R)
• M46: 26,053,816 km (0.107 R)
• M47: 26,130,858 km (0.115 R)
• M48: 28,398,912 km (0.081 R)
• M49: 29,035,600 km (0.112 R)
• M50: 29,435,924 km (0.109 R)
• M51: 30,080,242 km (0.112 R)
• M52: 30,485,204 km (0.093 R)
• M53: 31,218,832 km (0.062 R)
• M54: 31,300,811 km (0.109 R)
• M55: 32,206,028 km (0.09 R)
• M56: 32,288,756 km (0.053 R)
• M57: 32,953,120 km (0.06 R)
• M58: 33,370,647 km (0.108 R)
• M59: 33,454,422 km (0.096 R)
• M60: 34,126,715 km (0.092 R)
• M61: 34,464,507 km (0.112 R)
• M62: 34,633,702 km (0.091 R)
• M63: 34,803,346 km (0.075 R)
• M64: 36,514,447 km (0.106 R)
• M65: 36,686,933 km (0.086 R)
• M66: 37,032,953 km (0.105 R)
• M67: 43,534,925 km (0.095 R)
• M68: 45,562,275 km (0.084 R)
• M69: 46,120,425 km (0.097 R)
• M70: 47,714,390 km (0.087 R)
• M71: 48,375,912 km (0.11 R)
• M72: 48,660,447 km (0.073 R)
• M73: 51,245,349 km (0.08 R)
• M74: 53,188,775 km (0.072 R)
• M75: 53,972,967 km (0.119 R)
• M76: 56,148,868 km (0.085 R)
• M77: 60,585,791 km (0.095 R)
• M78: 60,687,967 km (0.041 R)
• M79: 63,052,959 km (0.083 R)
• M80: 63,363,674 km (0.088 R)
• M81: 63,882,629 km (0.115 R)
• M82: 63,986,600 km (0.118 R)
• M83: 65,762,626 km (0.094 R)
• M84: 66,709,430 km (0.039 R)
• M85: 66,814,897 km (0.089 R)
• M86: 67,025,980 km (0.092 R)
• M87: 69,469,810 km (0.069 R)
• M88: 69,897,810 km (0.105 R)
• M89: 70,326,707 km (0.101 R)
• M90: 70,863,913 km (0.094 R)
• M91: 71,618,485 km (0.108 R)
• M92: 71,834,504 km (0.117 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: 334 - 11,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit