🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.62

Radius: 1.21

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.57 AU - 0.67 AU

Year: 181 Days

Day: 14.8 Hours

Environment

Temp: 195 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.86 AU - 1.24 AU

Year: 399 Days

Day: 36.2 Hours

Environment

Temp: 16 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.13 AU - 2.53 AU

Year: 1319 Days

Day: 16.2 Hours

Environment

Temp: -85 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.35 AU - 2.67 AU

Year: 1475 Days

Day: 28.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 45.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.58 AU - 3 AU

Year: 1728 Days

Day: 37.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.35 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.5

Radius: 13.5

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.99 AU - 6.81 AU

Year: 5315 Days

Day: 8.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 40,187,813 km

• M1: 186,848 km (0.057 R)
• M2: 311,912 km (0.099 R)
• M3: 498,759 km (0.119 R)
• M4: 769,232 km (0.101 R)
• M5: 902,524 km (0.114 R)
• M6: 1,434,195 km (0.107 R)
• M7: 1,637,349 km (0.043 R)
• M8: 1,814,323 km (0.113 R)
• M9: 2,072,978 km (0.12 R)
• M10: 2,383,692 km (0.03 R)
• M11: 2,878,113 km (0.119 R)
• M12: 3,656,322 km (0.097 R)
• M13: 3,843,169 km (0.096 R)
• M14: 4,105,414 km (0.111 R)
• M15: 4,226,439 km (0.111 R)
• M16: 4,522,194 km (0.099 R)
• M17: 4,647,407 km (0.058 R)
• M18: 5,056,109 km (0.041 R)
• M19: 5,238,469 km (0.063 R)
• M20: 5,583,292 km (0.084 R)
• M21: 6,017,874 km (0.108 R)
• M22: 6,183,628 km (0.076 R)
• M23: 6,548,198 km (0.092 R)
• M24: 6,919,799 km (0.083 R)
• M25: 7,093,632 km (0.076 R)
• M26: 7,210,468 km (0.083 R)
• M27: 7,984,786 km (0.073 R)
• M28: 8,136,778 km (0.107 R)
• M29: 8,754,318 km (0.048 R)
• M30: 9,515,472 km (0.113 R)
• M31: 9,709,051 km (0.081 R)
• M32: 10,763,716 km (0.096 R)
• M33: 11,578,576 km (0.061 R)
• M34: 12,167,842 km (0.115 R)
• M35: 12,378,177 km (0.093 R)
• M36: 12,625,013 km (0.077 R)
• M37: 13,339,493 km (0.07 R)
• M38: 14,250,992 km (0.077 R)
• M39: 14,546,897 km (0.055 R)
• M40: 14,994,793 km (0.081 R)
• M41: 15,107,440 km (0.116 R)
• M42: 15,295,784 km (0.045 R)
• M43: 15,409,179 km (0.074 R)
• M44: 15,980,493 km (0.06 R)
• M45: 17,656,438 km (0.091 R)
• M46: 18,174,047 km (0.09 R)
• M47: 18,374,508 km (0.079 R)
• M48: 18,696,742 km (0.105 R)
• M49: 19,020,920 km (0.117 R)
• M50: 19,633,673 km (0.09 R)
• M51: 20,211,420 km (0.073 R)
• M52: 20,335,886 km (0.075 R)
• M53: 20,878,627 km (0.085 R)
• M54: 21,046,476 km (0.109 R)
• M55: 21,130,550 km (0.099 R)
• M56: 22,148,862 km (0.038 R)
• M57: 22,491,890 km (0.069 R)
• M58: 23,357,164 km (0.084 R)
• M59: 23,750,008 km (0.06 R)
• M60: 25,120,175 km (0.058 R)
• M61: 25,298,795 km (0.067 R)
• M62: 25,433,134 km (0.093 R)
• M63: 25,792,318 km (0.076 R)
• M64: 25,927,405 km (0.105 R)
• M65: 26,606,729 km (0.084 R)
• M66: 26,971,299 km (0.111 R)
• M67: 27,659,599 km (0.06 R)
• M68: 28,167,933 km (0.068 R)
• M69: 28,353,584 km (0.111 R)
• M70: 28,446,634 km (0.095 R)
• M71: 29,100,227 km (0.107 R)
• M72: 29,664,360 km (0.092 R)
• M73: 29,900,575 km (0.099 R)
• M74: 31,282,560 km (0.114 R)
• M75: 31,426,773 km (0.096 R)
• M76: 31,763,966 km (0.066 R)
• M77: 32,539,332 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.5

Radius: 15

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.17 AU - 8.01 AU

Year: 6274 Days

Day: 14.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 40,187,813 km

• M1: 233,073 km (0.079 R)
• M2: 354,697 km (0.067 R)
• M3: 457,620 km (0.076 R)
• M4: 618,138 km (0.088 R)
• M5: 792,121 km (0.079 R)
• M6: 891,155 km (0.08 R)
• M7: 984,653 km (0.11 R)
• M8: 1,159,982 km (0.1 R)
• M9: 2,750,058 km (0.116 R)
• M10: 2,923,890 km (0.115 R)
• M11: 3,036,538 km (0.099 R)
• M12: 3,166,987 km (0.081 R)
• M13: 3,282,776 km (0.054 R)
• M14: 3,383,156 km (0.085 R)
• M15: 3,587,207 km (0.092 R)
• M16: 3,777,945 km (0.109 R)
• M17: 4,025,529 km (0.109 R)
• M18: 4,668,202 km (0.049 R)
• M19: 5,088,721 km (0.108 R)
• M20: 5,987,206 km (0.101 R)
• M21: 6,110,774 km (0.074 R)
• M22: 6,276,827 km (0.116 R)
• M23: 6,444,527 km (0.102 R)
• M24: 6,549,993 km (0.041 R)
• M25: 7,021,376 km (0.098 R)
• M26: 7,370,986 km (0.102 R)
• M27: 7,659,411 km (0.084 R)
• M28: 7,951,576 km (0.097 R)
• M29: 8,178,815 km (0.088 R)
• M30: 8,454,374 km (0.059 R)
• M31: 8,663,063 km (0.113 R)
• M32: 8,779,749 km (0.083 R)
• M33: 9,515,173 km (0.108 R)
• M34: 9,829,478 km (0.098 R)
• M35: 10,000,169 km (0.109 R)
• M36: 10,196,292 km (0.114 R)
• M37: 10,567,893 km (0.093 R)
• M38: 10,717,640 km (0.079 R)
• M39: 10,918,550 km (0.103 R)
• M40: 11,019,529 km (0.078 R)
• M41: 11,146,089 km (0.106 R)
• M42: 11,941,949 km (0.072 R)
• M43: 12,045,920 km (0.065 R)
• M44: 12,729,582 km (0.119 R)
• M45: 13,479,815 km (0.043 R)
• M46: 13,696,882 km (0.096 R)
• M47: 13,969,748 km (0.093 R)
• M48: 14,161,982 km (0.047 R)
• M49: 14,604,343 km (0.059 R)
• M50: 15,418,005 km (0.111 R)
• M51: 15,531,401 km (0.093 R)
• M52: 16,102,565 km (0.063 R)
• M53: 16,246,329 km (0.105 R)
• M54: 16,477,457 km (0.107 R)
• M55: 16,709,633 km (0.095 R)
• M56: 17,560,396 km (0.074 R)
• M57: 17,767,889 km (0.068 R)
• M58: 17,916,589 km (0.108 R)
• M59: 18,666,224 km (0.101 R)
• M60: 19,763,973 km (0.103 R)
• M61: 20,382,710 km (0.105 R)
• M62: 20,538,441 km (0.091 R)
• M63: 20,632,090 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.9

Radius: 9

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.06 AU - 8.1 AU

Year: 7739 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 40,187,813 km

• M1: 157,377 km (0.105 R)
• M2: 296,503 km (0.109 R)
• M3: 392,395 km (0.084 R)
• M4: 526,285 km (0.101 R)
• M5: 720,314 km (0.117 R)
• M6: 826,229 km (0.102 R)
• M7: 1,433,596 km (0.072 R)
• M8: 1,549,535 km (0.059 R)
• M9: 1,811,929 km (0.104 R)
• M10: 1,895,405 km (0.08 R)
• M11: 2,023,311 km (0.092 R)
• M12: 2,132,069 km (0.089 R)
• M13: 2,378,457 km (0.093 R)
• M14: 2,586,846 km (0.091 R)
• M15: 3,557,587 km (0.084 R)
• M16: 3,663,053 km (0.05 R)
• M17: 4,233,919 km (0.093 R)
• M18: 4,345,818 km (0.087 R)
• M19: 4,458,615 km (0.043 R)
• M20: 4,601,182 km (0.12 R)
• M21: 4,978,767 km (0.103 R)
• M22: 5,186,259 km (0.105 R)
• M23: 5,518,217 km (0.086 R)
• M24: 5,733,039 km (0.115 R)
• M25: 5,794,823 km (0.037 R)
• M26: 6,717,094 km (0.097 R)
• M27: 6,946,577 km (0.055 R)
• M28: 7,312,344 km (0.093 R)
• M29: 7,924,498 km (0.104 R)
• M30: 8,236,709 km (0.114 R)
• M31: 8,376,733 km (0.116 R)
• M32: 9,270,131 km (0.113 R)
• M33: 9,342,985 km (0.03 R)
• M34: 9,562,445 km (0.102 R)
• M35: 9,709,650 km (0.114 R)
• M36: 9,932,102 km (0.081 R)
• M37: 10,381,793 km (0.033 R)
• M38: 10,685,327 km (0.084 R)
• M39: 11,301,072 km (0.103 R)
• M40: 11,378,863 km (0.086 R)
• M41: 11,456,953 km (0.096 R)
• M42: 11,613,432 km (0.055 R)
• M43: 12,246,381 km (0.116 R)
• M44: 12,971,931 km (0.112 R)
• M45: 13,504,649 km (0.115 R)
• M46: 13,919,184 km (0.076 R)
• M47: 15,059,569 km (0.085 R)
• M48: 15,145,139 km (0.026 R)
• M49: 15,359,961 km (0.111 R)
• M50: 15,923,347 km (0.108 R)
• M51: 16,405,351 km (0.065 R)
• M52: 16,581,877 km (0.087 R)
• M53: 17,518,659 km (0.086 R)
• M54: 17,744,103 km (0.112 R)
• M55: 18,016,072 km (0.099 R)
• M56: 18,656,051 km (0.066 R)
• M57: 19,025,109 km (0.095 R)
• M58: 19,911,177 km (0.113 R)
• M59: 20,620,271 km (0.114 R)
• M60: 20,810,709 km (0.115 R)
• M61: 21,001,746 km (0.077 R)
• M62: 21,241,402 km (0.105 R)
• M63: 21,385,614 km (0.074 R)
• M64: 21,820,345 km (0.084 R)
• M65: 22,257,919 km (0.092 R)
• M66: 23,141,743 km (0.1 R)
• M67: 23,787,109 km (0.112 R)
• M68: 25,044,928 km (0.098 R)
• M69: 25,656,334 km (0.062 R)
• M70: 27,258,527 km (0.066 R)
• M71: 27,834,778 km (0.075 R)
• M72: 28,999,398 km (0.099 R)
• M73: 29,106,061 km (0.102 R)
• M74: 29,587,616 km (0.104 R)
• M75: 29,856,294 km (0.067 R)
• M76: 31,157,347 km (0.091 R)
• M77: 31,649,973 km (0.093 R)
• M78: 31,814,680 km (0.068 R)
• M79: 31,979,836 km (0.101 R)
• M80: 32,200,343 km (0.097 R)
• M81: 32,587,503 km (0.09 R)
• M82: 36,831,445 km (0.117 R)
• M83: 37,584,520 km (0.114 R)
• M84: 37,700,758 km (0.075 R)
• M85: 39,400,788 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.3

Radius: 5.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 12.43 AU - 15.37 AU

Year: 19219 Days

Day: 16.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 40,187,813 km

• M1: 78,688 km (0.1 R)
• M2: 270,174 km (0.06 R)
• M3: 617,989 km (0.075 R)
• M4: 721,660 km (0.103 R)
• M5: 1,119,291 km (0.105 R)
• M6: 1,173,296 km (0.097 R)
• M7: 1,228,199 km (0.105 R)
• M8: 1,283,999 km (0.049 R)
• M9: 1,321,697 km (0.111 R)
• M10: 1,974,243 km (0.087 R)
• M11: 2,472,853 km (0.101 R)
• M12: 2,834,431 km (0.094 R)
• M13: 3,316,136 km (0.119 R)
• M14: 3,687,139 km (0.105 R)
• M15: 4,468,189 km (0.041 R)
• M16: 4,818,248 km (0.112 R)
• M17: 5,116,696 km (0.051 R)
• M18: 5,177,134 km (0.119 R)
• M19: 5,983,915 km (0.072 R)
• M20: 7,470,469 km (0.092 R)
• M21: 9,247,392 km (0.094 R)
• M22: 9,469,096 km (0.079 R)
• M23: 9,506,197 km (0.117 R)
• M24: 9,617,946 km (0.076 R)
• M25: 9,767,395 km (0.112 R)
• M26: 9,842,493 km (0.09 R)
• M27: 10,220,676 km (0.115 R)
• M28: 11,030,300 km (0.066 R)
• M29: 11,820,326 km (0.117 R)
• M30: 12,222,146 km (0.081 R)
• M31: 12,506,232 km (0.103 R)
• M32: 12,546,923 km (0.055 R)
• M33: 12,587,763 km (0.113 R)
• M34: 13,204,854 km (0.091 R)
• M35: 13,916,192 km (0.1 R)
• M36: 14,682,732 km (0.111 R)
• M37: 15,946,535 km (0.093 R)
• M38: 16,123,509 km (0.084 R)
• M39: 16,167,939 km (0.109 R)
• M40: 16,524,282 km (0.102 R)
• M41: 17,154,089 km (0.068 R)
• M42: 17,381,029 km (0.118 R)
• M43: 18,716,190 km (0.12 R)
• M44: 18,809,539 km (0.1 R)
• M45: 21,240,354 km (0.09 R)
• M46: 21,875,547 km (0.115 R)
• M47: 22,072,268 km (0.089 R)
• M48: 22,715,689 km (0.092 R)
• M49: 23,365,243 km (0.089 R)
• M50: 23,970,216 km (0.065 R)
• M51: 24,173,071 km (0.037 R)
• M52: 25,608,612 km (0.085 R)
• M53: 26,128,016 km (0.05 R)
• M54: 27,494,593 km (0.07 R)
• M55: 27,653,765 km (0.103 R)
• M56: 31,509,201 km (0.096 R)
• M57: 35,818,368 km (0.07 R)
• M58: 35,876,262 km (0.103 R)
• M59: 35,992,201 km (0.118 R)
• M60: 37,099,823 km (0.091 R)
• M61: 37,158,466 km (0.109 R)
• M62: 37,217,108 km (0.038 R)
• M63: 37,569,560 km (0.084 R)
• M64: 38,692,891 km (0.118 R)
• M65: 39,288,590 km (0.057 R)
• M66: 39,408,118 km (0.1 R)
• M67: 39,527,797 km (0.101 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 11,270 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit