🌌 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: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.44 AU - 0.62 AU

Year: 136 Days

Day: 41.4 Hours

Environment

Temp: 195 °C

Axial Tilt: 38.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.51

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.8 AU - 1.2 AU

Year: 351 Days

Day: 24.2 Hours

Environment

Temp: 107 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.69 AU - 3.27 AU

Year: 1808 Days

Day: 33.4 Hours

Environment

Temp: -98 °C

Axial Tilt: 16.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,861,692 km

• M1: 474,375 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.57 AU - 4.07 AU

Year: 2126 Days

Day: 17.5 Hours

Environment

Temp: -96 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,861,692 km

• M1: 270,772 km (0.077 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4 AU - 4.92 AU

Year: 3310 Days

Day: 43.2 Hours

Environment

Temp: -112 °C

Axial Tilt: 11.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,861,692 km

• M1: 1,227,451 km (0.053 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.89 AU - 5.41 AU

Year: 3524 Days

Day: 30.1 Hours

Environment

Temp: -125 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.4

Radius: 8.2

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.8 AU - 12.38 AU

Year: 12112 Days

Day: 10.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 77 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 91,861,692 km

• M1: 115,938 km (0.118 R)
• M2: 167,550 km (0.069 R)
• M3: 249,080 km (0.107 R)
• M4: 467,045 km (0.101 R)
• M5: 930,648 km (0.079 R)
• M6: 996,920 km (0.101 R)
• M7: 1,169,855 km (0.116 R)
• M8: 1,315,414 km (0.046 R)
• M9: 1,466,957 km (0.091 R)
• M10: 1,705,266 km (0.054 R)
• M11: 1,808,189 km (0.112 R)
• M12: 2,609,735 km (0.064 R)
• M13: 3,072,441 km (0.097 R)
• M14: 3,274,847 km (0.075 R)
• M15: 3,455,711 km (0.077 R)
• M16: 3,854,090 km (0.097 R)
• M17: 3,962,848 km (0.047 R)
• M18: 4,898,582 km (0.114 R)
• M19: 5,135,396 km (0.085 R)
• M20: 5,345,730 km (0.091 R)
• M21: 5,620,392 km (0.092 R)
• M22: 5,712,993 km (0.052 R)
• M23: 6,120,049 km (0.058 R)
• M24: 6,830,040 km (0.106 R)
• M25: 7,028,258 km (0.102 R)
• M26: 7,978,204 km (0.053 R)
• M27: 8,539,046 km (0.105 R)
• M28: 9,661,479 km (0.086 R)
• M29: 9,735,530 km (0.099 R)
• M30: 10,410,067 km (0.107 R)
• M31: 10,676,501 km (0.106 R)
• M32: 11,567,655 km (0.115 R)
• M33: 11,685,688 km (0.104 R)
• M34: 12,161,559 km (0.111 R)
• M35: 12,442,205 km (0.074 R)
• M36: 12,724,944 km (0.072 R)
• M37: 12,846,867 km (0.116 R)
• M38: 13,091,609 km (0.091 R)
• M39: 13,214,578 km (0.083 R)
• M40: 14,338,806 km (0.096 R)
• M41: 14,976,542 km (0.041 R)
• M42: 15,797,535 km (0.04 R)
• M43: 16,323,671 km (0.058 R)
• M44: 16,722,050 km (0.085 R)
• M45: 16,989,381 km (0.099 R)
• M46: 17,168,300 km (0.091 R)
• M47: 17,799,903 km (0.115 R)
• M48: 18,118,397 km (0.089 R)
• M49: 18,209,801 km (0.049 R)
• M50: 18,393,058 km (0.112 R)
• M51: 18,669,066 km (0.12 R)
• M52: 18,900,045 km (0.107 R)
• M53: 19,551,993 km (0.04 R)
• M54: 19,692,615 km (0.116 R)
• M55: 19,880,659 km (0.113 R)
• M56: 20,925,750 km (0.092 R)
• M57: 21,261,897 km (0.09 R)
• M58: 22,037,262 km (0.1 R)
• M59: 22,673,951 km (0.091 R)
• M60: 23,366,439 km (0.106 R)
• M61: 23,615,370 km (0.087 R)
• M62: 24,822,775 km (0.106 R)
• M63: 25,076,941 km (0.098 R)
• M64: 25,382,869 km (0.079 R)
• M65: 26,567,385 km (0.089 R)
• M66: 26,619,296 km (0.103 R)
• M67: 26,775,326 km (0.11 R)
• M68: 26,983,716 km (0.062 R)
• M69: 27,035,776 km (0.074 R)
• M70: 27,087,986 km (0.048 R)
• M71: 27,822,511 km (0.1 R)
• M72: 28,245,275 km (0.102 R)
• M73: 28,989,973 km (0.096 R)
• M74: 29,096,935 km (0.081 R)
• M75: 29,204,048 km (0.114 R)
• M76: 29,472,277 km (0.102 R)
• M77: 29,633,543 km (0.087 R)
• M78: 30,336,055 km (0.115 R)
• M79: 30,934,745 km (0.053 R)
• M80: 31,537,326 km (0.073 R)
• M81: 31,867,638 km (0.049 R)
• M82: 32,199,146 km (0.041 R)
• M83: 36,264,917 km (0.036 R)
• M84: 36,610,937 km (0.065 R)
• M85: 37,248,224 km (0.112 R)
• M86: 37,830,758 km (0.065 R)
• M87: 38,006,087 km (0.097 R)
• M88: 38,475,076 km (0.059 R)
• M89: 39,477,831 km (0.117 R)
• M90: 39,537,072 km (0.094 R)
• M91: 39,596,312 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.6

Radius: 14.7

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 11.55 AU - 13.69 AU

Year: 15757 Days

Day: 14.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 91,861,692 km

• M1: 280,047 km (0.118 R)
• M2: 485,595 km (0.096 R)
• M3: 621,878 km (0.05 R)
• M4: 791,971 km (0.082 R)
• M5: 921,672 km (0.1 R)
• M6: 1,039,256 km (0.101 R)
• M7: 2,245,614 km (0.112 R)
• M8: 2,690,667 km (0.053 R)
• M9: 2,983,281 km (0.072 R)
• M10: 3,348,300 km (0.065 R)
• M11: 3,504,779 km (0.092 R)
• M12: 4,055,000 km (0.11 R)
• M13: 4,632,747 km (0.107 R)
• M14: 4,949,296 km (0.036 R)
• M15: 5,309,378 km (0.055 R)
• M16: 5,455,834 km (0.074 R)
• M17: 6,285,654 km (0.115 R)
• M18: 6,479,682 km (0.043 R)
• M19: 6,715,299 km (0.029 R)
• M20: 7,357,672 km (0.092 R)
• M21: 7,769,066 km (0.061 R)
• M22: 8,571,808 km (0.042 R)
• M23: 12,087,209 km (0.096 R)
• M24: 12,378,027 km (0.103 R)
• M25: 12,573,103 km (0.111 R)
• M26: 13,363,877 km (0.115 R)
• M27: 13,564,039 km (0.108 R)
• M28: 14,018,218 km (0.103 R)
• M29: 14,170,658 km (0.053 R)
• M30: 15,568,052 km (0.113 R)
• M31: 15,673,219 km (0.118 R)
• M32: 16,900,819 km (0.107 R)
• M33: 18,715,591 km (0.112 R)
• M34: 19,221,232 km (0.075 R)
• M35: 19,504,122 km (0.109 R)
• M36: 20,016,793 km (0.084 R)
• M37: 20,939,214 km (0.093 R)
• M38: 21,055,601 km (0.053 R)
• M39: 21,993,580 km (0.072 R)
• M40: 23,005,161 km (0.03 R)
• M41: 23,667,730 km (0.076 R)
• M42: 23,788,904 km (0.102 R)
• M43: 25,320,936 km (0.104 R)
• M44: 25,506,886 km (0.093 R)
• M45: 25,631,052 km (0.115 R)
• M46: 26,130,110 km (0.094 R)
• M47: 26,255,324 km (0.119 R)
• M48: 26,632,311 km (0.041 R)
• M49: 26,758,272 km (0.088 R)
• M50: 29,190,883 km (0.069 R)
• M51: 29,777,307 km (0.1 R)
• M52: 30,367,620 km (0.06 R)
• M53: 30,631,211 km (0.054 R)
• M54: 31,293,631 km (0.111 R)
• M55: 31,826,947 km (0.068 R)
• M56: 32,161,747 km (0.076 R)
• M57: 32,296,086 km (0.089 R)
• M58: 33,037,942 km (0.073 R)
• M59: 33,649,049 km (0.066 R)
• M60: 33,990,132 km (0.109 R)
• M61: 34,675,889 km (0.117 R)
• M62: 34,882,484 km (0.106 R)
• M63: 35,020,562 km (0.083 R)
• M64: 35,297,019 km (0.084 R)
• M65: 36,410,177 km (0.111 R)
• M66: 36,830,697 km (0.116 R)
• M67: 38,742,408 km (0.115 R)
• M68: 39,674,552 km (0.099 R)
• M69: 40,324,106 km (0.088 R)
• M70: 40,758,987 km (0.074 R)
• M71: 41,926,598 km (0.028 R)
• M72: 42,662,022 km (0.051 R)
• M73: 44,369,532 km (0.091 R)
• M74: 45,043,620 km (0.081 R)
• M75: 45,193,966 km (0.096 R)
• M76: 45,419,709 km (0.115 R)
• M77: 46,782,097 km (0.101 R)
• M78: 47,086,678 km (0.067 R)
• M79: 49,935,021 km (0.06 R)
• M80: 50,168,394 km (0.079 R)
• M81: 50,636,336 km (0.119 R)
• M82: 50,948,996 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.6

Radius: 4.3

Gravity: 31.02 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 18.12 AU - 19.78 AU

Year: 28993 Days

Day: 22.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 91,861,692 km

• M1: 293,960 km (0.038 R)
• M2: 706,850 km (0.102 R)
• M3: 1,681,480 km (0.067 R)
• M4: 1,753,736 km (0.057 R)
• M5: 1,977,085 km (0.084 R)
• M6: 2,130,872 km (0.083 R)
• M7: 2,169,917 km (0.093 R)
• M8: 2,615,420 km (0.107 R)
• M9: 3,680,706 km (0.098 R)
• M10: 4,013,860 km (0.118 R)
• M11: 4,159,718 km (0.103 R)
• M12: 5,070,321 km (0.052 R)
• M13: 5,387,019 km (0.073 R)
• M14: 5,601,842 km (0.1 R)
• M15: 5,710,300 km (0.05 R)
• M16: 7,358,719 km (0.106 R)
• M17: 8,142,163 km (0.046 R)
• M18: 8,264,983 km (0.056 R)
• M19: 8,574,950 km (0.079 R)
• M20: 10,579,113 km (0.05 R)
• M21: 10,915,409 km (0.078 R)
• M22: 11,667,437 km (0.034 R)
• M23: 11,875,528 km (0.099 R)
• M24: 12,224,839 km (0.076 R)
• M25: 12,862,275 km (0.1 R)
• M26: 13,656,042 km (0.087 R)
• M27: 13,728,896 km (0.039 R)
• M28: 14,988,510 km (0.052 R)
• M29: 15,214,552 km (0.1 R)
• M30: 15,822,967 km (0.118 R)
• M31: 15,899,710 km (0.109 R)
• M32: 16,750,474 km (0.088 R)
• M33: 19,801,522 km (0.028 R)
• M34: 20,132,433 km (0.057 R)
• M35: 20,298,636 km (0.05 R)
• M36: 22,156,342 km (0.097 R)
• M37: 24,067,605 km (0.106 R)
• M38: 25,490,430 km (0.093 R)
• M39: 28,230,764 km (0.107 R)
• M40: 29,919,275 km (0.066 R)
• M41: 35,176,892 km (0.069 R)
• M42: 36,991,664 km (0.057 R)
• M43: 37,195,267 km (0.042 R)
• M44: 38,218,366 km (0.111 R)
• M45: 38,836,654 km (0.079 R)
• M46: 39,147,070 km (0.082 R)
• M47: 39,666,324 km (0.087 R)
• M48: 40,396,960 km (0.115 R)
• M49: 41,765,631 km (0.091 R)
• M50: 44,332,132 km (0.115 R)
• M51: 45,634,382 km (0.072 R)
• M52: 46,729,139 km (0.102 R)
• M53: 47,059,301 km (0.106 R)
• M54: 47,721,870 km (0.108 R)
• M55: 49,168,033 km (0.107 R)
• M56: 49,279,783 km (0.102 R)
• M57: 50,628,407 km (0.081 R)
• M58: 50,854,300 km (0.059 R)
• M59: 51,761,462 km (0.089 R)
• M60: 51,875,306 km (0.105 R)
• M61: 52,674,009 km (0.103 R)
• M62: 53,361,860 km (0.085 R)
• M63: 53,706,832 km (0.069 R)
• M64: 56,493,691 km (0.099 R)
• M65: 57,550,899 km (0.113 R)
• M66: 58,022,731 km (0.03 R)
• M67: 59,208,294 km (0.11 R)
• M68: 59,327,224 km (0.107 R)
• M69: 59,446,304 km (0.033 R)
• M70: 61,241,778 km (0.081 R)
• M71: 62,690,932 km (0.082 R)
• M72: 67,229,732 km (0.105 R)
• M73: 69,099,705 km (0.114 R)
• M74: 71,113,143 km (0.117 R)
• M75: 73,145,729 km (0.062 R)
• M76: 73,528,999 km (0.064 R)
• M77: 74,297,483 km (0.078 R)
• M78: 74,425,838 km (0.107 R)
• M79: 77,137,898 km (0.066 R)
• M80: 77,267,899 km (0.076 R)
• M81: 79,094,788 km (0.109 R)
• M82: 80,672,148 km (0.096 R)
• M83: 83,323,920 km (0.117 R)
• M84: 84,928,656 km (0.102 R)
• M85: 85,734,839 km (0.105 R)
• M86: 86,004,115 km (0.104 R)
• M87: 87,761,441 km (0.119 R)

Kuiper Belt

Range: 31.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 16,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit