🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.49 AU - 0.67 AU

Year: 160 Days

Day: 35.9 Hours

Environment

Temp: 157 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 72,727,745 km

• M1: 95,892 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.62 AU - 0.7 AU

Year: 194 Days

Day: 29.5 Hours

Environment

Temp: 169 °C

Axial Tilt: 32.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 72,727,745 km

• M1: 30,668 km (0.079 R)
• M2: 73,752 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.83 AU - 1.21 AU

Year: 373 Days

Day: 13.4 Hours

Environment

Temp: 45 °C

Axial Tilt: 12.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 72,727,745 km

• M1: 723,455 km (0.08 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.21 AU - 1.55 AU

Year: 586 Days

Day: 26.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 2.99 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.24 AU - 4.96 AU

Year: 3568 Days

Day: 29.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,727,745 km

• M1: 556,205 km (0.114 R)
• M2: 1,486,105 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.3

Radius: 12.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.96 AU - 5.16 AU

Year: 4116 Days

Day: 14.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 72,727,745 km

• M1: 164,258 km (0.092 R)
• M2: 347,067 km (0.12 R)
• M3: 718,519 km (0.113 R)
• M4: 990,039 km (0.041 R)
• M5: 1,228,947 km (0.087 R)
• M6: 1,431,203 km (0.094 R)
• M7: 1,868,926 km (0.109 R)
• M8: 2,216,292 km (0.108 R)
• M9: 2,397,904 km (0.054 R)
• M10: 2,516,087 km (0.118 R)
• M11: 2,846,698 km (0.076 R)
• M12: 3,802,927 km (0.061 R)
• M13: 4,001,444 km (0.032 R)
• M14: 4,367,659 km (0.104 R)
• M15: 4,513,069 km (0.086 R)
• M16: 4,702,310 km (0.079 R)
• M17: 6,169,566 km (0.115 R)
• M18: 6,403,537 km (0.098 R)
• M19: 7,443,092 km (0.12 R)
• M20: 7,592,242 km (0.099 R)
• M21: 7,843,267 km (0.047 R)
• M22: 8,638,529 km (0.091 R)
• M23: 8,769,278 km (0.117 R)
• M24: 8,874,295 km (0.111 R)
• M25: 9,379,039 km (0.07 R)
• M26: 9,567,382 km (0.072 R)
• M27: 10,360,999 km (0.103 R)
• M28: 10,444,325 km (0.048 R)
• M29: 11,576,332 km (0.052 R)
• M30: 12,509,972 km (0.097 R)
• M31: 12,777,005 km (0.113 R)
• M32: 13,226,097 km (0.087 R)
• M33: 13,316,604 km (0.051 R)
• M34: 13,863,683 km (0.032 R)
• M35: 14,016,872 km (0.102 R)
• M36: 14,139,991 km (0.104 R)
• M37: 14,604,492 km (0.118 R)
• M38: 14,697,991 km (0.075 R)
• M39: 14,948,418 km (0.046 R)
• M40: 15,105,645 km (0.1 R)
• M41: 15,421,596 km (0.089 R)
• M42: 15,516,890 km (0.113 R)
• M43: 15,707,926 km (0.106 R)
• M44: 15,899,860 km (0.108 R)
• M45: 16,447,687 km (0.075 R)
• M46: 16,610,151 km (0.111 R)
• M47: 17,429,648 km (0.12 R)
• M48: 17,661,525 km (0.113 R)
• M49: 18,061,400 km (0.094 R)
• M50: 18,734,590 km (0.097 R)
• M51: 19,725,227 km (0.102 R)
• M52: 20,070,798 km (0.093 R)
• M53: 20,174,769 km (0.117 R)
• M54: 20,279,039 km (0.109 R)
• M55: 20,697,763 km (0.067 R)
• M56: 21,189,940 km (0.067 R)
• M57: 22,870,373 km (0.08 R)
• M58: 22,978,981 km (0.09 R)
• M59: 23,269,799 km (0.055 R)
• M60: 24,223,037 km (0.101 R)
• M61: 24,667,492 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736

Radius: 10.9

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.15 AU - 6.01 AU

Year: 4141 Days

Day: 12 Hours

Environment

Temp: -145 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 72,727,745 km

• M1: 166,802 km (0.093 R)
• M2: 276,606 km (0.041 R)
• M3: 369,208 km (0.071 R)
• M4: 659,876 km (0.113 R)
• M5: 738,116 km (0.118 R)
• M6: 955,482 km (0.097 R)
• M7: 1,112,111 km (0.061 R)
• M8: 1,292,077 km (0.054 R)
• M9: 1,496,727 km (0.059 R)
• M10: 1,759,720 km (0.092 R)
• M11: 2,330,136 km (0.059 R)
• M12: 2,936,008 km (0.103 R)
• M13: 3,012,752 km (0.096 R)
• M14: 3,090,094 km (0.062 R)
• M15: 3,187,781 km (0.104 R)
• M16: 3,386,447 km (0.115 R)
• M17: 3,527,967 km (0.08 R)
• M18: 3,775,102 km (0.085 R)
• M19: 5,397,641 km (0.074 R)
• M20: 5,587,181 km (0.094 R)
• M21: 5,875,756 km (0.099 R)
• M22: 6,046,447 km (0.115 R)
• M23: 6,268,300 km (0.1 R)
• M24: 6,770,800 km (0.113 R)
• M25: 6,898,407 km (0.095 R)
• M26: 7,208,224 km (0.078 R)
• M27: 8,382,567 km (0.051 R)
• M28: 8,492,222 km (0.111 R)
• M29: 8,630,152 km (0.072 R)
• M30: 8,880,130 km (0.104 R)
• M31: 9,415,690 km (0.095 R)
• M32: 9,845,933 km (0.09 R)
• M33: 11,084,604 km (0.111 R)
• M34: 11,265,617 km (0.087 R)
• M35: 11,538,933 km (0.095 R)
• M36: 11,661,154 km (0.108 R)
• M37: 11,875,977 km (0.08 R)
• M38: 12,092,145 km (0.105 R)
• M39: 12,622,620 km (0.105 R)
• M40: 13,001,551 km (0.109 R)
• M41: 13,192,438 km (0.096 R)
• M42: 13,352,358 km (0.05 R)
• M43: 13,544,890 km (0.108 R)
• M44: 13,641,680 km (0.102 R)
• M45: 14,587,887 km (0.073 R)
• M46: 14,753,192 km (0.064 R)
• M47: 15,420,549 km (0.067 R)
• M48: 15,791,850 km (0.057 R)
• M49: 15,927,536 km (0.11 R)
• M50: 16,234,511 km (0.089 R)
• M51: 16,543,281 km (0.053 R)
• M52: 16,715,617 km (0.095 R)
• M53: 16,992,822 km (0.042 R)
• M54: 17,062,236 km (0.077 R)
• M55: 17,621,881 km (0.098 R)
• M56: 18,258,570 km (0.119 R)
• M57: 18,436,741 km (0.104 R)
• M58: 18,508,099 km (0.101 R)
• M59: 18,758,975 km (0.095 R)
• M60: 19,773,248 km (0.098 R)
• M61: 19,919,704 km (0.038 R)
• M62: 20,508,821 km (0.109 R)
• M63: 20,656,923 km (0.09 R)
• M64: 21,178,271 km (0.075 R)
• M65: 22,158,137 km (0.085 R)
• M66: 22,386,274 km (0.071 R)
• M67: 23,191,260 km (0.114 R)
• M68: 23,268,453 km (0.12 R)
• M69: 23,422,987 km (0.097 R)
• M70: 23,539,075 km (0.091 R)
• M71: 23,849,790 km (0.103 R)
• M72: 23,927,581 km (0.109 R)
• M73: 25,582,582 km (0.034 R)
• M74: 25,702,261 km (0.092 R)
• M75: 26,464,163 km (0.069 R)
• M76: 26,787,294 km (0.044 R)
• M77: 27,233,544 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.2

Radius: 13.7

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.2 AU - 6.28 AU

Year: 4338 Days

Day: 5.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 72,727,745 km

• M1: 180,265 km (0.11 R)
• M2: 316,399 km (0.106 R)
• M3: 562,787 km (0.066 R)
• M4: 758,910 km (0.117 R)
• M5: 1,005,896 km (0.094 R)
• M6: 1,112,559 km (0.068 R)
• M7: 1,209,200 km (0.117 R)
• M8: 1,367,474 km (0.112 R)
• M9: 1,786,049 km (0.108 R)
• M10: 2,002,068 km (0.103 R)
• M11: 2,297,823 km (0.117 R)
• M12: 2,589,390 km (0.091 R)
• M13: 2,720,736 km (0.105 R)
• M14: 2,951,416 km (0.096 R)
• M15: 3,391,085 km (0.104 R)
• M16: 4,310,363 km (0.086 R)
• M17: 4,444,553 km (0.088 R)
• M18: 4,740,308 km (0.115 R)
• M19: 4,878,985 km (0.065 R)
• M20: 5,279,458 km (0.11 R)
• M21: 5,423,372 km (0.12 R)
• M22: 5,764,305 km (0.072 R)
• M23: 6,416,103 km (0.055 R)
• M24: 7,117,867 km (0.101 R)
• M25: 7,981,346 km (0.034 R)
• M26: 8,174,626 km (0.076 R)
• M27: 8,509,576 km (0.028 R)
• M28: 8,963,456 km (0.098 R)
• M29: 10,432,058 km (0.07 R)
• M30: 10,887,135 km (0.098 R)
• M31: 11,132,625 km (0.096 R)
• M32: 12,005,977 km (0.042 R)
• M33: 12,227,831 km (0.068 R)
• M34: 12,707,741 km (0.05 R)
• M35: 12,804,531 km (0.082 R)
• M36: 12,998,709 km (0.091 R)
• M37: 13,686,111 km (0.112 R)
• M38: 14,452,650 km (0.118 R)
• M39: 14,994,045 km (0.095 R)
• M40: 15,473,357 km (0.104 R)
• M41: 16,446,940 km (0.072 R)
• M42: 17,047,874 km (0.115 R)
• M43: 17,584,033 km (0.085 R)
• M44: 17,980,766 km (0.088 R)
• M45: 18,271,136 km (0.053 R)
• M46: 18,636,304 km (0.081 R)
• M47: 19,003,866 km (0.061 R)
• M48: 19,373,822 km (0.116 R)
• M49: 19,634,272 km (0.076 R)
• M50: 19,858,369 km (0.117 R)
• M51: 20,196,311 km (0.12 R)
• M52: 20,498,199 km (0.081 R)
• M53: 20,801,584 km (0.112 R)
• M54: 21,221,206 km (0.084 R)
• M55: 21,913,844 km (0.117 R)
• M56: 22,379,692 km (0.078 R)
• M57: 22,535,722 km (0.08 R)
• M58: 23,084,747 km (0.085 R)
• M59: 23,360,904 km (0.12 R)
• M60: 23,757,339 km (0.073 R)
• M61: 23,956,453 km (0.03 R)
• M62: 24,516,697 km (0.098 R)
• M63: 26,100,191 km (0.081 R)
• M64: 26,264,449 km (0.077 R)
• M65: 27,257,480 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.3

Radius: 3.6

Gravity: 31.2 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 13.35 AU - 19.73 AU

Year: 24327 Days

Day: 24.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 72,727,745 km

• M1: 51,312 km (0.053 R)
• M2: 165,156 km (0.107 R)
• M3: 235,168 km (0.065 R)
• M4: 441,463 km (0.075 R)
• M5: 583,132 km (0.102 R)
• M6: 761,902 km (0.116 R)
• M7: 982,260 km (0.082 R)
• M8: 1,507,947 km (0.117 R)
• M9: 1,689,409 km (0.112 R)
• M10: 2,412,565 km (0.06 R)
• M11: 2,482,427 km (0.06 R)
• M12: 2,660,449 km (0.088 R)
• M13: 3,334,387 km (0.078 R)
• M14: 3,650,038 km (0.11 R)
• M15: 3,933,975 km (0.099 R)
• M16: 4,099,430 km (0.045 R)
• M17: 4,351,952 km (0.086 R)
• M18: 4,566,325 km (0.051 R)
• M19: 5,229,493 km (0.113 R)
• M20: 5,411,404 km (0.083 R)
• M21: 5,457,181 km (0.104 R)
• M22: 5,922,281 km (0.071 R)
• M23: 6,064,249 km (0.107 R)
• M24: 6,497,036 km (0.086 R)
• M25: 7,905,649 km (0.059 R)
• M26: 9,075,654 km (0.028 R)
• M27: 10,072,425 km (0.114 R)
• M28: 10,298,617 km (0.082 R)
• M29: 11,045,260 km (0.105 R)
• M30: 12,047,565 km (0.06 R)
• M31: 12,468,683 km (0.114 R)
• M32: 12,772,517 km (0.084 R)
• M33: 13,885,974 km (0.089 R)
• M34: 14,773,388 km (0.101 R)
• M35: 15,613,679 km (0.106 R)
• M36: 16,735,663 km (0.049 R)
• M37: 17,543,193 km (0.085 R)
• M38: 17,611,110 km (0.098 R)
• M39: 18,088,627 km (0.113 R)
• M40: 18,157,142 km (0.033 R)
• M41: 18,778,123 km (0.101 R)
• M42: 21,693,636 km (0.107 R)
• M43: 22,573,272 km (0.106 R)
• M44: 25,665,011 km (0.109 R)
• M45: 26,051,123 km (0.102 R)
• M46: 27,142,140 km (0.088 R)
• M47: 27,299,218 km (0.1 R)
• M48: 27,614,271 km (0.059 R)
• M49: 31,570,536 km (0.09 R)
• M50: 31,984,025 km (0.069 R)
• M51: 32,482,634 km (0.064 R)
• M52: 34,247,889 km (0.104 R)
• M53: 35,527,699 km (0.116 R)
• M54: 35,613,568 km (0.078 R)
• M55: 36,562,916 km (0.111 R)
• M56: 39,193,745 km (0.068 R)
• M57: 39,282,456 km (0.112 R)
• M58: 39,549,039 km (0.084 R)
• M59: 39,905,531 km (0.104 R)
• M60: 41,794,055 km (0.1 R)
• M61: 42,521,250 km (0.102 R)
• M62: 42,886,418 km (0.113 R)
• M63: 43,252,484 km (0.042 R)
• M64: 43,619,747 km (0.03 R)
• M65: 44,542,317 km (0.081 R)
• M66: 44,634,918 km (0.076 R)
• M67: 44,913,021 km (0.058 R)
• M68: 45,098,821 km (0.119 R)
• M69: 46,219,010 km (0.03 R)
• M70: 46,500,404 km (0.116 R)
• M71: 47,631,962 km (0.079 R)
• M72: 47,916,198 km (0.12 R)
• M73: 48,201,032 km (0.083 R)
• M74: 48,963,383 km (0.095 R)
• M75: 49,537,839 km (0.108 R)
• M76: 52,540,867 km (0.069 R)
• M77: 53,916,269 km (0.119 R)
• M78: 54,905,859 km (0.104 R)
• M79: 58,720,904 km (0.055 R)
• M80: 59,330,964 km (0.119 R)
• M81: 60,250,243 km (0.112 R)
• M82: 61,380,006 km (0.083 R)
• M83: 63,139,726 km (0.111 R)
• M84: 64,706,165 km (0.12 R)
• M85: 64,811,034 km (0.118 R)
• M86: 65,126,087 km (0.039 R)
• M87: 65,652,222 km (0.042 R)
• M88: 68,731,395 km (0.067 R)
• M89: 68,945,470 km (0.052 R)
• M90: 69,374,367 km (0.109 R)
• M91: 72,292,124 km (0.102 R)
• M92: 72,618,696 km (0.07 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 14,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit