🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.51 AU - 0.83 AU

Year: 172 Days

Day: 43.7 Hours

Environment

Temp: 268 °C

Axial Tilt: 7.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,062,100 km

• M1: 51,611 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.78 AU - 1.12 AU

Year: 290 Days

Day: 43.1 Hours

Environment

Temp: 235 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,062,100 km

• M1: 92,003 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.79 AU - 1.17 AU

Year: 304 Days

Day: 13.5 Hours

Environment

Temp: 228 °C

Axial Tilt: 31.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.07 AU - 1.47 AU

Year: 448 Days

Day: 15 Hours

Environment

Temp: 199 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.35 AU - 1.43 AU

Year: 513 Days

Day: 36.8 Hours

Environment

Temp: 93 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 6 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.53

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.02 AU - 2.22 AU

Year: 967 Days

Day: 20.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 10.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 84,062,100 km

• M1: 907,760 km (0.068 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.49 AU - 4.17 AU

Year: 2348 Days

Day: 35.3 Hours

Environment

Temp: -74 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 14.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.4

Radius: 14.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 14.55 AU - 14.61 AU

Year: 17436 Days

Day: 12.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 84,062,100 km

• M1: 257,159 km (0.11 R)
• M2: 705,803 km (0.076 R)
• M3: 1,144,573 km (0.084 R)
• M4: 1,267,393 km (0.105 R)
• M5: 1,527,394 km (0.063 R)
• M6: 1,748,500 km (0.075 R)
• M7: 1,921,435 km (0.086 R)
• M8: 2,411,069 km (0.083 R)
• M9: 3,182,396 km (0.107 R)
• M10: 3,395,722 km (0.05 R)
• M11: 3,650,936 km (0.089 R)
• M12: 3,799,487 km (0.072 R)
• M13: 4,296,900 km (0.111 R)
• M14: 4,693,633 km (0.062 R)
• M15: 4,896,638 km (0.09 R)
• M16: 5,227,398 km (0.087 R)
• M17: 6,397,553 km (0.074 R)
• M18: 6,943,136 km (0.105 R)
• M19: 7,128,339 km (0.098 R)
• M20: 7,646,396 km (0.119 R)
• M21: 7,789,711 km (0.055 R)
• M22: 8,520,197 km (0.104 R)
• M23: 8,818,645 km (0.107 R)
• M24: 8,969,140 km (0.096 R)
• M25: 10,787,502 km (0.088 R)
• M26: 10,894,914 km (0.076 R)
• M27: 11,110,484 km (0.064 R)
• M28: 11,327,700 km (0.08 R)
• M29: 11,932,076 km (0.103 R)
• M30: 12,378,326 km (0.108 R)
• M31: 12,943,806 km (0.108 R)
• M32: 16,018,192 km (0.078 R)
• M33: 16,140,862 km (0.094 R)
• M34: 16,448,735 km (0.072 R)
• M35: 17,636,392 km (0.068 R)
• M36: 18,593,519 km (0.109 R)
• M37: 20,160,108 km (0.11 R)
• M38: 21,430,045 km (0.089 R)
• M39: 22,245,503 km (0.077 R)
• M40: 22,382,385 km (0.064 R)
• M41: 24,540,035 km (0.112 R)
• M42: 26,183,517 km (0.049 R)
• M43: 28,157,910 km (0.118 R)
• M44: 30,483,259 km (0.068 R)
• M45: 31,016,875 km (0.066 R)
• M46: 31,323,251 km (0.068 R)
• M47: 31,784,611 km (0.061 R)
• M48: 32,093,381 km (0.089 R)
• M49: 33,338,633 km (0.087 R)
• M50: 34,758,467 km (0.095 R)
• M51: 35,555,674 km (0.102 R)
• M52: 36,681,996 km (0.098 R)
• M53: 37,330,952 km (0.111 R)
• M54: 37,575,245 km (0.111 R)
• M55: 38,804,790 km (0.093 R)
• M56: 39,964,323 km (0.074 R)
• M57: 40,631,978 km (0.075 R)
• M58: 41,135,076 km (0.062 R)
• M59: 41,471,671 km (0.049 R)
• M60: 42,317,198 km (0.103 R)
• M61: 43,168,410 km (0.073 R)
• M62: 44,283,513 km (0.085 R)
• M63: 45,060,973 km (0.087 R)
• M64: 45,668,789 km (0.109 R)
• M65: 46,629,507 km (0.119 R)
• M66: 48,038,719 km (0.103 R)
• M67: 48,393,266 km (0.12 R)
• M68: 50,718,615 km (0.102 R)
• M69: 53,080,167 km (0.059 R)
• M70: 53,813,944 km (0.088 R)
• M71: 54,274,407 km (0.116 R)
• M72: 55,106,320 km (0.052 R)
• M73: 56,315,520 km (0.095 R)
• M74: 58,287,220 km (0.115 R)
• M75: 59,329,020 km (0.049 R)
• M76: 59,995,179 km (0.087 R)
• M77: 60,185,916 km (0.109 R)
• M78: 60,376,953 km (0.087 R)
• M79: 60,951,109 km (0.113 R)
• M80: 62,201,448 km (0.118 R)
• M81: 62,684,649 km (0.111 R)
• M82: 63,071,958 km (0.077 R)
• M83: 63,946,657 km (0.113 R)
• M84: 64,044,045 km (0.102 R)
• M85: 65,511,301 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 123.9

Radius: 5.9

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 13.69 AU - 20.97 AU

Year: 22595 Days

Day: 18.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 84,062,100 km

• M1: 205,248 km (0.1 R)
• M2: 280,197 km (0.09 R)
• M3: 327,769 km (0.093 R)
• M4: 460,313 km (0.119 R)
• M5: 690,993 km (0.065 R)
• M6: 792,869 km (0.113 R)
• M7: 973,733 km (0.107 R)
• M8: 1,147,715 km (0.077 R)
• M9: 2,182,633 km (0.085 R)
• M10: 2,567,099 km (0.072 R)
• M11: 2,753,798 km (0.114 R)
• M12: 2,807,952 km (0.089 R)
• M13: 2,972,510 km (0.045 R)
• M14: 3,456,010 km (0.112 R)
• M15: 4,179,316 km (0.119 R)
• M16: 4,430,790 km (0.083 R)
• M17: 5,450,449 km (0.113 R)
• M18: 5,552,923 km (0.117 R)
• M19: 5,621,439 km (0.072 R)
• M20: 6,539,222 km (0.105 R)
• M21: 6,757,635 km (0.072 R)
• M22: 7,238,891 km (0.045 R)
• M23: 7,731,218 km (0.086 R)
• M24: 7,884,855 km (0.118 R)
• M25: 7,923,451 km (0.115 R)
• M26: 9,231,385 km (0.081 R)
• M27: 10,392,564 km (0.083 R)
• M28: 10,904,189 km (0.079 R)
• M29: 12,894,738 km (0.118 R)
• M30: 13,076,948 km (0.1 R)
• M31: 14,188,610 km (0.1 R)
• M32: 14,282,558 km (0.053 R)
• M33: 14,613,169 km (0.092 R)
• M34: 14,803,308 km (0.119 R)
• M35: 14,994,195 km (0.1 R)
• M36: 15,233,850 km (0.106 R)
• M37: 15,378,362 km (0.047 R)
• M38: 17,297,403 km (0.071 R)
• M39: 17,700,270 km (0.098 R)
• M40: 20,287,566 km (0.106 R)
• M41: 21,301,241 km (0.117 R)
• M42: 22,004,201 km (0.113 R)
• M43: 23,211,306 km (0.119 R)
• M44: 24,102,611 km (0.093 R)
• M45: 24,158,710 km (0.077 R)
• M46: 24,383,406 km (0.08 R)
• M47: 25,061,832 km (0.086 R)
• M48: 26,552,874 km (0.095 R)
• M49: 27,954,457 km (0.094 R)
• M50: 30,041,347 km (0.112 R)
• M51: 31,808,098 km (0.054 R)
• M52: 31,931,217 km (0.102 R)
• M53: 32,797,089 km (0.044 R)
• M54: 32,859,322 km (0.113 R)
• M55: 33,482,995 km (0.097 R)
• M56: 34,173,539 km (0.087 R)
• M57: 34,236,520 km (0.106 R)
• M58: 37,047,165 km (0.106 R)
• M59: 37,371,194 km (0.063 R)
• M60: 37,891,645 km (0.069 R)
• M61: 38,022,094 km (0.093 R)
• M62: 39,269,142 km (0.107 R)
• M63: 39,401,237 km (0.043 R)
• M64: 39,930,813 km (0.082 R)
• M65: 40,130,078 km (0.107 R)
• M66: 40,729,815 km (0.067 R)
• M67: 41,064,167 km (0.109 R)
• M68: 41,131,187 km (0.078 R)
• M69: 41,265,376 km (0.084 R)
• M70: 41,533,904 km (0.073 R)
• M71: 41,803,180 km (0.119 R)
• M72: 41,870,649 km (0.097 R)
• M73: 42,343,378 km (0.084 R)
• M74: 43,362,439 km (0.1 R)
• M75: 43,703,971 km (0.085 R)
• M76: 46,188,791 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 20.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 411.4

Radius: 4

Gravity: 25.71 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 17.09 AU - 24.75 AU

Year: 29968 Days

Day: 19.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 84,062,100 km

• M1: 204,051 km (0.053 R)
• M2: 342,729 km (0.072 R)
• M3: 508,334 km (0.04 R)
• M4: 1,017,415 km (0.069 R)
• M5: 1,074,861 km (0.105 R)
• M6: 2,356,017 km (0.082 R)
• M7: 3,114,777 km (0.1 R)
• M8: 3,368,944 km (0.084 R)
• M9: 5,325,983 km (0.063 R)
• M10: 5,886,527 km (0.031 R)
• M11: 6,147,425 km (0.058 R)
• M12: 6,412,214 km (0.108 R)
• M13: 6,897,958 km (0.11 R)
• M14: 8,019,343 km (0.116 R)
• M15: 8,076,939 km (0.068 R)
• M16: 9,316,656 km (0.114 R)
• M17: 9,559,454 km (0.087 R)
• M18: 10,237,880 km (0.04 R)
• M19: 10,425,476 km (0.117 R)
• M20: 10,551,287 km (0.1 R)
• M21: 11,123,499 km (0.101 R)
• M22: 11,187,677 km (0.117 R)
• M23: 11,967,530 km (0.076 R)
• M24: 12,497,257 km (0.095 R)
• M25: 12,697,718 km (0.088 R)
• M26: 13,305,833 km (0.055 R)
• M27: 14,061,901 km (0.075 R)
• M28: 14,831,881 km (0.12 R)
• M29: 14,902,641 km (0.075 R)
• M30: 15,831,494 km (0.086 R)
• M31: 16,120,966 km (0.107 R)
• M32: 16,558,689 km (0.115 R)
• M33: 17,222,455 km (0.083 R)
• M34: 17,371,006 km (0.118 R)
• M35: 17,969,995 km (0.095 R)
• M36: 18,804,602 km (0.062 R)
• M37: 19,188,171 km (0.046 R)
• M38: 20,119,118 km (0.081 R)
• M39: 22,024,696 km (0.112 R)
• M40: 22,672,604 km (0.049 R)
• M41: 23,986,971 km (0.028 R)
• M42: 26,603,139 km (0.091 R)
• M43: 26,947,214 km (0.094 R)
• M44: 27,033,532 km (0.111 R)
• M45: 27,119,850 km (0.106 R)
• M46: 27,206,318 km (0.044 R)
• M47: 28,777,843 km (0.106 R)
• M48: 29,663,463 km (0.072 R)
• M49: 32,190,769 km (0.094 R)
• M50: 32,741,140 km (0.115 R)
• M51: 33,294,801 km (0.106 R)
• M52: 33,944,505 km (0.085 R)
• M53: 34,130,904 km (0.062 R)
• M54: 35,918,598 km (0.063 R)
• M55: 37,447,489 km (0.103 R)
• M56: 39,095,160 km (0.064 R)
• M57: 39,584,195 km (0.063 R)
• M58: 41,262,234 km (0.092 R)
• M59: 43,873,166 km (0.114 R)
• M60: 45,095,979 km (0.059 R)
• M61: 45,403,552 km (0.068 R)
• M62: 46,020,643 km (0.118 R)
• M63: 47,471,144 km (0.035 R)
• M64: 47,575,264 km (0.088 R)
• M65: 49,147,239 km (0.086 R)
• M66: 50,735,968 km (0.038 R)
• M67: 50,949,145 km (0.043 R)
• M68: 51,483,210 km (0.07 R)
• M69: 52,449,313 km (0.105 R)
• M70: 53,096,623 km (0.03 R)
• M71: 54,399,171 km (0.118 R)
• M72: 55,054,560 km (0.104 R)
• M73: 56,042,205 km (0.076 R)
• M74: 58,592,998 km (0.084 R)
• M75: 60,954,849 km (0.119 R)
• M76: 61,862,759 km (0.054 R)
• M77: 61,976,453 km (0.089 R)
• M78: 62,318,284 km (0.052 R)
• M79: 62,546,571 km (0.116 R)
• M80: 62,889,449 km (0.093 R)
• M81: 63,806,783 km (0.068 R)
• M82: 68,341,842 km (0.113 R)
• M83: 68,694,893 km (0.114 R)
• M84: 69,639,604 km (0.083 R)
• M85: 70,707,434 km (0.076 R)
• M86: 71,541,741 km (0.092 R)
• M87: 74,184,986 km (0.12 R)
• M88: 74,911,433 km (0.117 R)
• M89: 75,761,897 km (0.111 R)
• M90: 76,982,466 km (0.108 R)
• M91: 80,309,971 km (0.082 R)
• M92: 80,558,453 km (0.037 R)
• M93: 82,679,751 km (0.107 R)
• M94: 83,684,301 km (0.097 R)
• M95: 84,062,036 km (0.03 R)

Kuiper Belt

Range: 35 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 17,065 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit