🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.52 AU - 0.7 AU

Year: 313 Days

Day: 27.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.57 AU - 0.75 AU

Year: 352 Days

Day: 16.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789

Radius: 11.3

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.68 AU - 1.13 AU

Year: 560 Days

Day: 9.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,968,623 km

• M1: 140,472 km (0.11 R)
• M2: 641,476 km (0.037 R)
• M3: 1,037,012 km (0.04 R)
• M4: 1,428,061 km (0.07 R)
• M5: 1,987,857 km (0.099 R)
• M6: 2,369,331 km (0.098 R)
• M7: 2,982,084 km (0.077 R)
• M8: 3,460,199 km (0.066 R)
• M9: 3,848,405 km (0.065 R)
• M10: 4,280,893 km (0.115 R)
• M11: 4,729,686 km (0.08 R)
• M12: 5,523,901 km (0.117 R)
• M13: 6,019,070 km (0.115 R)
• M14: 6,424,630 km (0.076 R)
• M15: 6,786,657 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.2

Radius: 12.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.28 AU - 1.76 AU

Year: 1229 Days

Day: 12.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,968,623 km

• M1: 156,629 km (0.091 R)
• M2: 555,756 km (0.091 R)
• M3: 1,051,823 km (0.092 R)
• M4: 1,571,376 km (0.089 R)
• M5: 2,357,363 km (0.066 R)
• M6: 2,835,029 km (0.065 R)
• M7: 3,307,310 km (0.061 R)
• M8: 3,924,999 km (0.102 R)
• M9: 4,429,443 km (0.088 R)
• M10: 4,958,571 km (0.053 R)
• M11: 6,186,770 km (0.096 R)
• M12: 6,826,899 km (0.103 R)
• M13: 7,732,116 km (0.116 R)
• M14: 9,015,366 km (0.102 R)
• M15: 9,897,844 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.7

Radius: 8.7

Gravity: 12.43 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.28 AU - 1.78 AU

Year: 1241 Days

Day: 14 Hours

Environment

Temp: -179 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,968,623 km

• M1: 108,159 km (0.079 R)
• M2: 477,666 km (0.048 R)
• M3: 763,548 km (0.115 R)
• M4: 1,139,337 km (0.075 R)
• M5: 1,946,717 km (0.103 R)
• M6: 2,505,465 km (0.094 R)
• M7: 3,107,896 km (0.09 R)
• M8: 3,604,411 km (0.11 R)
• M9: 4,409,696 km (0.029 R)
• M10: 5,813,074 km (0.093 R)
• M11: 8,327,964 km (0.11 R)
• M12: 9,663,424 km (0.109 R)
• M13: 10,823,406 km (0.11 R)
• M14: 11,171,221 km (0.106 R)
• M15: 11,634,675 km (0.114 R)
• M16: 12,599,881 km (0.079 R)
• M17: 13,062,886 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.3

Radius: 14.9

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.86 AU - 3.54 AU

Year: 3755 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,968,623 km

• M1: 185,651 km (0.066 R)
• M2: 752,178 km (0.119 R)
• M3: 1,432,699 km (0.109 R)
• M4: 2,112,172 km (0.076 R)
• M5: 3,148,287 km (0.092 R)
• M6: 3,910,937 km (0.1 R)
• M7: 4,430,491 km (0.089 R)
• M8: 6,125,883 km (0.081 R)
• M9: 7,023,321 km (0.09 R)
• M10: 7,487,224 km (0.097 R)
• M11: 8,513,764 km (0.059 R)
• M12: 10,081,401 km (0.096 R)
• M13: 11,650,383 km (0.049 R)
• M14: 15,104,747 km (0.036 R)
• M15: 16,742,246 km (0.08 R)
• M16: 17,333,456 km (0.11 R)
• M17: 18,370,619 km (0.116 R)
• M18: 19,063,556 km (0.049 R)
• M19: 19,839,370 km (0.117 R)
• M20: 23,815,083 km (0.105 R)
• M21: 26,503,656 km (0.114 R)
• M22: 27,145,581 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945

Radius: 10.5

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.9 AU - 4.68 AU

Year: 5829 Days

Day: 12.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,968,623 km

• M1: 132,245 km (0.1 R)
• M2: 576,101 km (0.071 R)
• M3: 962,662 km (0.041 R)
• M4: 1,513,033 km (0.087 R)
• M5: 3,312,845 km (0.053 R)
• M6: 3,671,880 km (0.104 R)
• M7: 4,495,865 km (0.119 R)
• M8: 5,317,606 km (0.046 R)
• M9: 5,685,766 km (0.112 R)
• M10: 6,038,219 km (0.096 R)
• M11: 7,712,219 km (0.052 R)
• M12: 8,065,120 km (0.083 R)
• M13: 8,552,510 km (0.055 R)
• M14: 8,930,694 km (0.119 R)
• M15: 11,240,186 km (0.087 R)
• M16: 12,532,711 km (0.038 R)
• M17: 13,749,989 km (0.08 R)
• M18: 14,505,309 km (0.057 R)
• M19: 15,472,758 km (0.04 R)
• M20: 15,972,265 km (0.094 R)
• M21: 17,603,181 km (0.054 R)
• M22: 18,703,474 km (0.114 R)
• M23: 20,364,758 km (0.119 R)
• M24: 21,965,455 km (0.054 R)
• M25: 23,402,941 km (0.077 R)
• M26: 24,061,471 km (0.047 R)
• M27: 24,395,374 km (0.072 R)
• M28: 25,502,099 km (0.115 R)
• M29: 27,089,182 km (0.08 R)
• M30: 28,275,643 km (0.053 R)
• M31: 31,145,529 km (0.06 R)
• M32: 33,060,381 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.1

Radius: 12.5

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.03 AU - 4.93 AU

Year: 6221 Days

Day: 14.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,968,623 km

• M1: 155,432 km (0.095 R)
• M2: 1,312,422 km (0.098 R)
• M3: 1,804,450 km (0.104 R)
• M4: 4,376,037 km (0.09 R)
• M5: 5,521,508 km (0.103 R)
• M6: 7,324,910 km (0.106 R)
• M7: 7,885,154 km (0.088 R)
• M8: 11,493,904 km (0.099 R)
• M9: 15,336,774 km (0.104 R)
• M10: 17,516,415 km (0.117 R)
• M11: 21,127,408 km (0.115 R)
• M12: 27,307,296 km (0.09 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.3

Radius: 8.5

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.37 AU - 5.51 AU

Year: 8324 Days

Day: 9.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,968,623 km

• M1: 115,490 km (0.103 R)
• M2: 380,427 km (0.038 R)
• M3: 791,971 km (0.085 R)
• M4: 1,337,106 km (0.096 R)
• M5: 2,468,365 km (0.077 R)
• M6: 2,780,426 km (0.091 R)
• M7: 4,275,208 km (0.082 R)
• M8: 7,605,705 km (0.069 R)
• M9: 7,975,062 km (0.098 R)
• M10: 8,661,567 km (0.052 R)
• M11: 10,600,056 km (0.114 R)
• M12: 12,753,966 km (0.039 R)
• M13: 13,276,213 km (0.054 R)
• M14: 14,239,473 km (0.065 R)
• M15: 17,058,645 km (0.063 R)
• M16: 18,196,337 km (0.101 R)
• M17: 18,562,104 km (0.033 R)
• M18: 18,858,158 km (0.119 R)
• M19: 19,459,841 km (0.112 R)
• M20: 23,255,887 km (0.075 R)
• M21: 24,475,558 km (0.086 R)
• M22: 24,831,751 km (0.113 R)
• M23: 25,463,502 km (0.087 R)
• M24: 27,518,528 km (0.093 R)
• M25: 28,097,622 km (0.084 R)
• M26: 29,180,411 km (0.094 R)
• M27: 31,639,202 km (0.109 R)
• M28: 32,168,180 km (0.08 R)
• M29: 33,352,995 km (0.113 R)
• M30: 36,268,358 km (0.107 R)
• M31: 39,593,620 km (0.056 R)
• M32: 41,330,002 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.5

Radius: 5.7

Gravity: 30.21 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.45 AU - 6.83 AU

Year: 9981 Days

Day: 19.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,968,623 km

• M1: 71,209 km (0.107 R)
• M2: 260,151 km (0.087 R)
• M3: 701,315 km (0.104 R)
• M4: 1,179,579 km (0.085 R)
• M5: 1,426,565 km (0.088 R)
• M6: 1,804,150 km (0.106 R)
• M7: 2,170,665 km (0.117 R)
• M8: 2,648,929 km (0.112 R)
• M9: 6,031,487 km (0.106 R)
• M10: 7,432,770 km (0.099 R)
• M11: 9,136,241 km (0.083 R)
• M12: 9,791,929 km (0.109 R)
• M13: 9,999,870 km (0.106 R)
• M14: 10,751,001 km (0.06 R)
• M15: 13,419,976 km (0.039 R)
• M16: 15,286,210 km (0.113 R)
• M17: 15,636,867 km (0.104 R)
• M18: 16,354,039 km (0.107 R)
• M19: 18,478,628 km (0.076 R)
• M20: 18,956,743 km (0.088 R)
• M21: 19,689,324 km (0.088 R)
• M22: 21,124,267 km (0.069 R)
• M23: 22,991,398 km (0.119 R)
• M24: 24,295,442 km (0.117 R)
• M25: 25,549,970 km (0.091 R)
• M26: 27,254,638 km (0.034 R)
• M27: 31,788,650 km (0.099 R)
• M28: 36,054,433 km (0.116 R)
• M29: 40,286,258 km (0.114 R)
• M30: 41,631,143 km (0.117 R)
• M31: 44,837,474 km (0.05 R)
• M32: 47,310,476 km (0.071 R)
• M33: 48,806,904 km (0.096 R)
• M34: 51,266,293 km (0.102 R)
• M35: 51,893,856 km (0.081 R)
• M36: 53,968,629 km (0.106 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 12,951 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit