🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.58 AU - 0.7 AU

Year: 186 Days

Day: 28.4 Hours

Environment

Temp: 184 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,589,492 km

• M1: 158,275 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.63 AU - 0.75 AU

Year: 208 Days

Day: 16.6 Hours

Environment

Temp: 205 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 78,589,492 km

• M1: 287,976 km (0.12 R)
• M2: 315,502 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1 AU - 1.36 AU

Year: 466 Days

Day: 40.9 Hours

Environment

Temp: -1 °C

Axial Tilt: 178.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 78,589,492 km

• M1: 380,876 km (0.041 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.62 AU - 1.8 AU

Year: 813 Days

Day: 16.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.04 AU - 2.16 AU

Year: 1106 Days

Day: 12.7 Hours

Environment

Temp: -79 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 78,589,492 km

• M1: 337,044 km (0.111 R)
• M2: 776,413 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.7

Radius: 12

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.55 AU - 5.61 AU

Year: 4790 Days

Day: 14.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 78,589,492 km

• M1: 178,021 km (0.084 R)
• M2: 304,282 km (0.061 R)
• M3: 515,813 km (0.112 R)
• M4: 716,574 km (0.092 R)
• M5: 904,768 km (0.062 R)
• M6: 1,153,250 km (0.033 R)
• M7: 1,274,723 km (0.106 R)
• M8: 1,856,210 km (0.071 R)
• M9: 1,947,465 km (0.078 R)
• M10: 2,328,192 km (0.083 R)
• M11: 2,455,649 km (0.103 R)
• M12: 2,541,967 km (0.102 R)
• M13: 2,629,332 km (0.114 R)
• M14: 2,807,204 km (0.046 R)
• M15: 3,253,454 km (0.05 R)
• M16: 3,905,851 km (0.082 R)
• M17: 4,126,657 km (0.099 R)
• M18: 4,229,880 km (0.105 R)
• M19: 4,474,323 km (0.101 R)
• M20: 5,032,173 km (0.085 R)
• M21: 5,235,477 km (0.086 R)
• M22: 5,612,164 km (0.08 R)
• M23: 5,746,204 km (0.113 R)
• M24: 6,134,709 km (0.092 R)
• M25: 6,253,041 km (0.077 R)
• M26: 6,392,018 km (0.099 R)
• M27: 6,491,800 km (0.103 R)
• M28: 6,713,354 km (0.103 R)
• M29: 7,205,681 km (0.106 R)
• M30: 7,561,424 km (0.096 R)
• M31: 7,645,947 km (0.049 R)
• M32: 8,008,722 km (0.086 R)
• M33: 8,268,424 km (0.116 R)
• M34: 8,751,475 km (0.074 R)
• M35: 8,974,077 km (0.073 R)
• M36: 9,086,126 km (0.069 R)
• M37: 9,607,624 km (0.111 R)
• M38: 9,860,444 km (0.104 R)
• M39: 9,952,896 km (0.078 R)
• M40: 10,278,870 km (0.035 R)
• M41: 10,750,701 km (0.096 R)
• M42: 10,941,439 km (0.092 R)
• M43: 11,569,002 km (0.07 R)
• M44: 11,666,689 km (0.104 R)
• M45: 11,985,781 km (0.102 R)
• M46: 12,109,349 km (0.093 R)
• M47: 12,557,395 km (0.057 R)
• M48: 12,783,587 km (0.058 R)
• M49: 12,884,565 km (0.092 R)
• M50: 13,188,997 km (0.063 R)
• M51: 13,701,669 km (0.11 R)
• M52: 14,194,744 km (0.092 R)
• M53: 14,561,857 km (0.073 R)
• M54: 15,225,174 km (0.11 R)
• M55: 15,332,136 km (0.081 R)
• M56: 15,627,891 km (0.108 R)
• M57: 15,708,824 km (0.032 R)
• M58: 15,952,519 km (0.025 R)
• M59: 16,224,787 km (0.108 R)
• M60: 16,636,181 km (0.096 R)
• M61: 16,801,786 km (0.063 R)
• M62: 16,884,663 km (0.036 R)
• M63: 17,023,340 km (0.108 R)
• M64: 17,217,967 km (0.117 R)
• M65: 17,553,365 km (0.118 R)
• M66: 17,693,688 km (0.086 R)
• M67: 17,890,858 km (0.12 R)
• M68: 18,315,866 km (0.101 R)
• M69: 19,118,159 km (0.11 R)
• M70: 19,320,565 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.5

Radius: 10.2

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.9 AU - 7.98 AU

Year: 7375 Days

Day: 5.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 78,589,492 km

• M1: 169,644 km (0.102 R)
• M2: 238,908 km (0.119 R)
• M3: 316,699 km (0.111 R)
• M4: 395,088 km (0.074 R)
• M5: 549,024 km (0.079 R)
• M6: 648,956 km (0.045 R)
• M7: 1,205,908 km (0.115 R)
• M8: 1,359,845 km (0.072 R)
• M9: 1,730,548 km (0.103 R)
• M10: 2,202,081 km (0.109 R)
• M11: 2,513,693 km (0.116 R)
• M12: 2,612,428 km (0.055 R)
• M13: 2,994,351 km (0.101 R)
• M14: 3,099,369 km (0.104 R)
• M15: 3,232,212 km (0.067 R)
• M16: 3,421,453 km (0.104 R)
• M17: 3,586,609 km (0.102 R)
• M18: 4,723,553 km (0.066 R)
• M19: 5,539,160 km (0.031 R)
• M20: 5,636,100 km (0.114 R)
• M21: 5,701,025 km (0.11 R)
• M22: 6,196,194 km (0.042 R)
• M23: 6,431,960 km (0.075 R)
• M24: 7,157,061 km (0.081 R)
• M25: 7,298,132 km (0.033 R)
• M26: 7,799,135 km (0.108 R)
• M27: 8,459,760 km (0.114 R)
• M28: 9,176,483 km (0.066 R)
• M29: 10,109,525 km (0.118 R)
• M30: 11,276,837 km (0.115 R)
• M31: 11,565,112 km (0.109 R)
• M32: 11,689,278 km (0.117 R)
• M33: 11,897,369 km (0.102 R)
• M34: 12,064,769 km (0.1 R)
• M35: 12,656,578 km (0.089 R)
• M36: 13,042,092 km (0.119 R)
• M37: 13,562,244 km (0.085 R)
• M38: 13,912,752 km (0.071 R)
• M39: 14,000,715 km (0.075 R)
• M40: 14,667,323 km (0.079 R)
• M41: 15,162,791 km (0.066 R)
• M42: 15,435,359 km (0.074 R)
• M43: 15,526,613 km (0.073 R)
• M44: 15,893,128 km (0.065 R)
• M45: 16,216,409 km (0.068 R)
• M46: 16,495,110 km (0.077 R)
• M47: 17,625,920 km (0.08 R)
• M48: 18,104,334 km (0.045 R)
• M49: 18,200,675 km (0.056 R)
• M50: 18,345,336 km (0.05 R)
• M51: 19,123,245 km (0.063 R)
• M52: 19,961,592 km (0.096 R)
• M53: 20,711,227 km (0.101 R)
• M54: 23,276,232 km (0.056 R)
• M55: 23,380,801 km (0.077 R)
• M56: 23,748,363 km (0.077 R)
• M57: 24,329,850 km (0.117 R)
• M58: 24,916,124 km (0.106 R)
• M59: 25,237,759 km (0.09 R)
• M60: 25,506,886 km (0.089 R)
• M61: 26,374,553 km (0.1 R)
• M62: 26,702,472 km (0.111 R)
• M63: 27,638,805 km (0.109 R)
• M64: 28,361,961 km (0.084 R)
• M65: 31,201,329 km (0.11 R)
• M66: 31,548,097 km (0.117 R)
• M67: 31,954,255 km (0.101 R)
• M68: 32,362,208 km (0.072 R)
• M69: 33,537,150 km (0.086 R)
• M70: 34,189,247 km (0.081 R)
• M71: 34,666,315 km (0.049 R)
• M72: 35,325,592 km (0.044 R)
• M73: 35,626,733 km (0.092 R)
• M74: 36,110,233 km (0.061 R)
• M75: 37,328,708 km (0.12 R)
• M76: 37,635,384 km (0.105 R)
• M77: 38,066,076 km (0.115 R)
• M78: 38,436,630 km (0.096 R)
• M79: 38,870,464 km (0.086 R)
• M80: 39,181,328 km (0.046 R)
• M81: 40,874,177 km (0.102 R)
• M82: 41,761,293 km (0.103 R)
• M83: 42,079,787 km (0.108 R)
• M84: 42,783,046 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.1

Radius: 7.5

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 12 AU - 13.24 AU

Year: 16294 Days

Day: 23.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 78,589,492 km

• M1: 127,906 km (0.053 R)
• M2: 265,237 km (0.089 R)
• M3: 324,627 km (0.119 R)
• M4: 389,702 km (0.09 R)
• M5: 480,808 km (0.119 R)
• M6: 556,953 km (0.116 R)
• M7: 637,736 km (0.083 R)
• M8: 1,997,730 km (0.081 R)
• M9: 2,198,790 km (0.066 R)
• M10: 2,292,438 km (0.095 R)
• M11: 2,444,878 km (0.092 R)
• M12: 2,522,370 km (0.061 R)
• M13: 2,800,173 km (0.065 R)
• M14: 3,515,400 km (0.076 R)
• M15: 3,669,337 km (0.092 R)
• M16: 3,893,285 km (0.12 R)
• M17: 4,237,659 km (0.085 R)
• M18: 4,615,693 km (0.068 R)
• M19: 4,979,964 km (0.103 R)
• M20: 5,633,257 km (0.09 R)
• M21: 5,684,569 km (0.113 R)
• M22: 6,233,444 km (0.103 R)
• M23: 6,393,364 km (0.081 R)
• M24: 6,771,847 km (0.093 R)
• M25: 7,921,806 km (0.059 R)
• M26: 8,328,113 km (0.082 R)
• M27: 9,526,243 km (0.056 R)
• M28: 9,896,198 km (0.09 R)
• M29: 11,454,859 km (0.059 R)
• M30: 12,079,579 km (0.1 R)
• M31: 12,312,653 km (0.096 R)
• M32: 13,776,019 km (0.08 R)
• M33: 14,900,247 km (0.066 R)
• M34: 15,078,568 km (0.025 R)
• M35: 15,329,443 km (0.066 R)
• M36: 17,422,916 km (0.036 R)
• M37: 18,522,012 km (0.118 R)
• M38: 19,917,311 km (0.108 R)
• M39: 20,153,227 km (0.05 R)
• M40: 20,548,315 km (0.099 R)
• M41: 22,439,381 km (0.093 R)
• M42: 22,766,851 km (0.094 R)
• M43: 23,178,395 km (0.117 R)
• M44: 25,018,000 km (0.119 R)
• M45: 25,272,466 km (0.079 R)
• M46: 26,687,363 km (0.106 R)
• M47: 27,208,262 km (0.052 R)
• M48: 27,864,099 km (0.106 R)
• M49: 28,215,954 km (0.116 R)
• M50: 29,952,486 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 675.9

Radius: 3.8

Gravity: 46.81 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 11.89 AU - 18.13 AU

Year: 21135 Days

Day: 20.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 78,589,492 km

• M1: 206,146 km (0.052 R)
• M2: 455,376 km (0.069 R)
• M3: 629,059 km (0.108 R)
• M4: 1,348,774 km (0.094 R)
• M5: 1,470,846 km (0.114 R)
• M6: 1,596,359 km (0.099 R)
• M7: 1,824,496 km (0.067 R)
• M8: 1,993,691 km (0.087 R)
• M9: 2,643,544 km (0.08 R)
• M10: 3,070,347 km (0.101 R)
• M11: 3,856,932 km (0.118 R)
• M12: 6,967,222 km (0.046 R)
• M13: 7,390,733 km (0.046 R)
• M14: 7,768,169 km (0.056 R)
• M15: 7,931,978 km (0.105 R)
• M16: 8,152,037 km (0.093 R)
• M17: 9,455,633 km (0.115 R)
• M18: 9,747,498 km (0.098 R)
• M19: 10,280,216 km (0.119 R)
• M20: 11,312,142 km (0.081 R)
• M21: 11,559,727 km (0.075 R)
• M22: 11,684,192 km (0.057 R)
• M23: 12,313,251 km (0.049 R)
• M24: 13,407,410 km (0.098 R)
• M25: 13,932,947 km (0.075 R)
• M26: 13,999,219 km (0.082 R)
• M27: 15,140,053 km (0.076 R)
• M28: 15,344,403 km (0.094 R)
• M29: 15,894,026 km (0.086 R)
• M30: 16,941,809 km (0.107 R)
• M31: 17,012,419 km (0.116 R)
• M32: 17,509,533 km (0.102 R)
• M33: 20,365,805 km (0.099 R)
• M34: 21,962,463 km (0.073 R)
• M35: 23,284,161 km (0.059 R)
• M36: 23,362,699 km (0.05 R)
• M37: 23,520,076 km (0.081 R)
• M38: 23,994,152 km (0.059 R)
• M39: 25,274,111 km (0.072 R)
• M40: 26,003,700 km (0.075 R)
• M41: 26,166,762 km (0.116 R)
• M42: 26,493,932 km (0.066 R)
• M43: 26,740,171 km (0.1 R)
• M44: 26,822,449 km (0.09 R)
• M45: 28,653,378 km (0.075 R)
• M46: 30,095,501 km (0.064 R)
• M47: 31,127,577 km (0.083 R)
• M48: 31,561,112 km (0.07 R)
• M49: 31,996,591 km (0.103 R)
• M50: 34,292,918 km (0.098 R)
• M51: 35,010,090 km (0.089 R)
• M52: 36,367,990 km (0.118 R)
• M53: 36,550,350 km (0.085 R)
• M54: 38,483,454 km (0.076 R)
• M55: 39,978,535 km (0.072 R)
• M56: 40,733,107 km (0.056 R)
• M57: 40,922,498 km (0.089 R)
• M58: 41,207,033 km (0.104 R)
• M59: 41,682,904 km (0.084 R)
• M60: 42,832,264 km (0.091 R)
• M61: 43,507,549 km (0.027 R)
• M62: 45,652,782 km (0.094 R)
• M63: 46,342,428 km (0.118 R)
• M64: 46,441,313 km (0.095 R)
• M65: 47,532,928 km (0.05 R)
• M66: 49,842,420 km (0.12 R)
• M67: 51,572,968 km (0.047 R)
• M68: 51,777,768 km (0.095 R)
• M69: 52,085,640 km (0.056 R)
• M70: 52,497,034 km (0.052 R)
• M71: 54,049,262 km (0.099 R)
• M72: 56,669,469 km (0.082 R)
• M73: 56,775,234 km (0.078 R)
• M74: 57,304,512 km (0.096 R)
• M75: 57,729,220 km (0.062 R)
• M76: 58,261,489 km (0.092 R)
• M77: 61,815,187 km (0.097 R)
• M78: 62,687,193 km (0.112 R)
• M79: 63,343,778 km (0.109 R)
• M80: 63,453,433 km (0.085 R)
• M81: 64,774,382 km (0.095 R)
• M82: 64,884,935 km (0.077 R)
• M83: 65,327,445 km (0.106 R)
• M84: 66,215,608 km (0.087 R)
• M85: 66,438,359 km (0.062 R)
• M86: 66,884,310 km (0.077 R)
• M87: 67,219,559 km (0.118 R)
• M88: 67,779,504 km (0.05 R)
• M89: 70,034,692 km (0.105 R)
• M90: 71,627,760 km (0.116 R)
• M91: 71,742,052 km (0.104 R)
• M92: 75,430,089 km (0.072 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 19,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit