🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.64 AU - 0.68 AU

Year: 191 Days

Day: 25.4 Hours

Environment

Temp: 146 °C

Axial Tilt: 25.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.6 AU - 0.84 AU

Year: 218 Days

Day: 31.1 Hours

Environment

Temp: 165 °C

Axial Tilt: 13.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 94,169,917 km

• M1: 298,149 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.21 AU - 1.53 AU

Year: 572 Days

Day: 45.4 Hours

Environment

Temp: 13 °C

Axial Tilt: 9.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.17 AU - 1.85 AU

Year: 661 Days

Day: 23.9 Hours

Environment

Temp: -20 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,169,917 km

• M1: 573,558 km (0.057 R)
• M2: 1,051,823 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.06 AU - 4.1 AU

Year: 2938 Days

Day: 25.8 Hours

Environment

Temp: -129 °C

Axial Tilt: 42.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.17 AU - 5.13 AU

Year: 3013 Days

Day: 46.7 Hours

Environment

Temp: -126 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,169,917 km

• M1: 1,704,069 km (0.097 R)
• M2: 2,971,762 km (0.086 R)

Asteroid Belt

Center: 10.81 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 17.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 578.5

Radius: 6.9

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 13.12 AU - 21.82 AU

Year: 26028 Days

Day: 17 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 94,169,917 km

• M1: 259,104 km (0.116 R)
• M2: 553,213 km (0.041 R)
• M3: 646,562 km (0.07 R)
• M4: 771,027 km (0.119 R)
• M5: 1,014,722 km (0.03 R)
• M6: 1,571,077 km (0.08 R)
• M7: 1,774,979 km (0.116 R)
• M8: 2,208,214 km (0.095 R)
• M9: 2,436,800 km (0.081 R)
• M10: 2,794,039 km (0.045 R)
• M11: 2,916,859 km (0.108 R)
• M12: 3,645,999 km (0.107 R)
• M13: 3,735,309 km (0.081 R)
• M14: 3,780,338 km (0.12 R)
• M15: 3,825,367 km (0.086 R)
• M16: 4,620,181 km (0.094 R)
• M17: 5,161,127 km (0.042 R)
• M18: 6,194,997 km (0.106 R)
• M19: 6,301,960 km (0.102 R)
• M20: 6,571,685 km (0.115 R)
• M21: 6,626,138 km (0.066 R)
• M22: 6,680,742 km (0.092 R)
• M23: 6,790,397 km (0.112 R)
• M24: 6,900,501 km (0.049 R)
• M25: 7,347,350 km (0.058 R)
• M26: 7,631,287 km (0.115 R)
• M27: 8,093,245 km (0.112 R)
• M28: 8,564,179 km (0.031 R)
• M29: 8,683,408 km (0.106 R)
• M30: 8,983,651 km (0.064 R)
• M31: 9,287,185 km (0.04 R)
• M32: 10,919,897 km (0.12 R)
• M33: 11,113,925 km (0.069 R)
• M34: 11,702,892 km (0.095 R)
• M35: 13,184,958 km (0.093 R)
• M36: 14,158,391 km (0.118 R)
• M37: 16,469,080 km (0.118 R)
• M38: 16,543,131 km (0.076 R)
• M39: 16,766,032 km (0.046 R)
• M40: 18,739,078 km (0.084 R)
• M41: 19,126,836 km (0.08 R)
• M42: 21,833,360 km (0.082 R)
• M43: 22,405,273 km (0.075 R)
• M44: 22,487,402 km (0.085 R)
• M45: 24,234,556 km (0.072 R)
• M46: 24,657,020 km (0.098 R)
• M47: 25,938,775 km (0.074 R)
• M48: 26,111,411 km (0.114 R)
• M49: 28,744,932 km (0.068 R)
• M50: 28,923,552 km (0.064 R)
• M51: 29,281,689 km (0.115 R)
• M52: 32,664,396 km (0.1 R)
• M53: 34,165,012 km (0.113 R)
• M54: 34,828,479 km (0.11 R)
• M55: 35,114,211 km (0.071 R)
• M56: 38,997,023 km (0.117 R)
• M57: 41,794,653 km (0.075 R)
• M58: 42,098,337 km (0.11 R)
• M59: 43,217,628 km (0.099 R)
• M60: 43,422,278 km (0.11 R)
• M61: 45,174,069 km (0.082 R)
• M62: 45,381,711 km (0.094 R)
• M63: 46,006,581 km (0.036 R)
• M64: 47,369,867 km (0.049 R)
• M65: 48,533,888 km (0.061 R)
• M66: 51,864,535 km (0.119 R)
• M67: 52,845,298 km (0.082 R)
• M68: 52,954,654 km (0.085 R)
• M69: 53,173,516 km (0.079 R)
• M70: 55,157,333 km (0.056 R)
• M71: 56,158,293 km (0.112 R)
• M72: 58,178,163 km (0.058 R)
• M73: 59,424,164 km (0.026 R)
• M74: 59,537,858 km (0.033 R)
• M75: 60,221,670 km (0.118 R)
• M76: 65,080,459 km (0.085 R)
• M77: 65,197,744 km (0.072 R)
• M78: 65,784,766 km (0.08 R)
• M79: 66,255,700 km (0.119 R)
• M80: 67,675,384 km (0.055 R)
• M81: 71,267,977 km (0.066 R)
• M82: 72,600,744 km (0.082 R)
• M83: 73,453,153 km (0.111 R)
• M84: 73,819,518 km (0.118 R)
• M85: 74,063,961 km (0.088 R)
• M86: 76,400,680 km (0.066 R)
• M87: 77,019,566 km (0.08 R)
• M88: 77,888,879 km (0.045 R)
• M89: 79,011,312 km (0.052 R)
• M90: 79,261,589 km (0.119 R)
• M91: 81,398,595 km (0.113 R)
• M92: 82,410,774 km (0.056 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.2

Radius: 5

Gravity: 24.81 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 16.59 AU - 20.91 AU

Year: 28940 Days

Day: 18.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 94,169,917 km

• M1: 77,641 km (0.094 R)
• M2: 787,034 km (0.056 R)
• M3: 1,445,265 km (0.082 R)
• M4: 1,805,048 km (0.116 R)
• M5: 2,993,603 km (0.098 R)
• M6: 3,448,829 km (0.058 R)
• M7: 3,636,874 km (0.088 R)
• M8: 4,730,135 km (0.056 R)
• M9: 5,151,103 km (0.067 R)
• M10: 5,420,380 km (0.118 R)
• M11: 5,916,446 km (0.041 R)
• M12: 6,198,289 km (0.115 R)
• M13: 6,427,024 km (0.094 R)
• M14: 7,129,535 km (0.059 R)
• M15: 7,189,075 km (0.077 R)
• M16: 8,353,545 km (0.103 R)
• M17: 8,860,981 km (0.113 R)
• M18: 8,925,159 km (0.12 R)
• M19: 9,248,290 km (0.102 R)
• M20: 9,575,161 km (0.073 R)
• M21: 9,839,351 km (0.114 R)
• M22: 9,905,773 km (0.085 R)
• M23: 10,714,648 km (0.083 R)
• M24: 11,335,031 km (0.1 R)
• M25: 11,614,479 km (0.101 R)
• M26: 12,251,617 km (0.093 R)
• M27: 12,466,589 km (0.078 R)
• M28: 12,755,014 km (0.071 R)
• M29: 13,485,799 km (0.119 R)
• M30: 16,699,760 km (0.112 R)
• M31: 17,417,979 km (0.117 R)
• M32: 17,498,313 km (0.098 R)
• M33: 17,578,797 km (0.036 R)
• M34: 18,064,691 km (0.05 R)
• M35: 18,227,603 km (0.096 R)
• M36: 21,759,609 km (0.107 R)
• M37: 24,407,491 km (0.102 R)
• M38: 25,312,409 km (0.107 R)
• M39: 27,998,289 km (0.075 R)
• M40: 28,281,178 km (0.091 R)
• M41: 28,565,115 km (0.113 R)
• M42: 29,710,287 km (0.039 R)
• M43: 29,806,329 km (0.064 R)
• M44: 32,539,033 km (0.081 R)
• M45: 33,534,158 km (0.062 R)
• M46: 34,135,990 km (0.096 R)
• M47: 34,236,669 km (0.087 R)
• M48: 35,045,545 km (0.044 R)
• M49: 37,198,558 km (0.085 R)
• M50: 38,238,712 km (0.066 R)
• M51: 38,552,568 km (0.109 R)
• M52: 38,972,489 km (0.09 R)
• M53: 39,499,523 km (0.094 R)
• M54: 40,453,957 km (0.12 R)
• M55: 41,738,554 km (0.088 R)
• M56: 42,385,714 km (0.115 R)
• M57: 44,237,586 km (0.069 R)
• M58: 44,567,150 km (0.104 R)
• M59: 51,326,431 km (0.081 R)
• M60: 58,396,875 km (0.119 R)
• M61: 62,044,670 km (0.12 R)
• M62: 62,783,085 km (0.107 R)
• M63: 63,029,772 km (0.069 R)
• M64: 63,772,076 km (0.059 R)
• M65: 63,896,093 km (0.073 R)
• M66: 66,267,070 km (0.07 R)
• M67: 67,400,124 km (0.106 R)
• M68: 69,175,551 km (0.081 R)
• M69: 70,196,856 km (0.11 R)
• M70: 71,223,247 km (0.104 R)
• M71: 71,351,901 km (0.077 R)
• M72: 71,480,555 km (0.103 R)
• M73: 71,738,313 km (0.111 R)
• M74: 71,996,219 km (0.105 R)
• M75: 72,772,034 km (0.113 R)
• M76: 73,810,841 km (0.071 R)
• M77: 75,771,471 km (0.107 R)
• M78: 81,083,243 km (0.085 R)
• M79: 84,327,572 km (0.114 R)
• M80: 86,102,401 km (0.078 R)
• M81: 87,200,748 km (0.109 R)
• M82: 89,272,679 km (0.106 R)
• M83: 89,411,506 km (0.103 R)
• M84: 90,802,467 km (0.098 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 18,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit