🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.6

Radius: 10.6

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.43 AU - 0.65 AU

Year: 265 Days

Day: 8 Hours

Environment

Temp: -145 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,881,353 km

• M1: 131,796 km (0.046 R)
• M2: 622,926 km (0.081 R)
• M3: 1,212,192 km (0.067 R)
• M4: 1,548,338 km (0.095 R)
• M5: 2,510,252 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.2

Radius: 14.5

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.78 AU - 1.12 AU

Year: 617 Days

Day: 13.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,881,353 km

• M1: 180,864 km (0.116 R)
• M2: 634,295 km (0.101 R)
• M3: 1,125,724 km (0.116 R)
• M4: 1,818,362 km (0.115 R)
• M5: 2,448,169 km (0.101 R)
• M6: 2,906,238 km (0.111 R)
• M7: 3,479,347 km (0.099 R)
• M8: 3,948,785 km (0.072 R)
• M9: 4,474,472 km (0.111 R)
• M10: 5,121,932 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.7

Radius: 9.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.99 AU - 1.51 AU

Year: 932 Days

Day: 10.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,881,353 km

• M1: 120,576 km (0.086 R)
• M2: 449,990 km (0.06 R)
• M3: 815,458 km (0.105 R)
• M4: 1,223,112 km (0.112 R)
• M5: 1,551,180 km (0.026 R)
• M6: 1,888,075 km (0.092 R)
• M7: 2,637,111 km (0.115 R)
• M8: 3,366,999 km (0.102 R)
• M9: 4,138,326 km (0.09 R)
• M10: 4,512,021 km (0.069 R)
• M11: 5,207,651 km (0.069 R)
• M12: 5,917,344 km (0.106 R)
• M13: 6,831,985 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.2

Radius: 11.6

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.86 AU - 2.46 AU

Year: 2117 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,881,353 km

• M1: 144,212 km (0.071 R)
• M2: 515,065 km (0.117 R)
• M3: 902,225 km (0.097 R)
• M4: 1,271,283 km (0.116 R)
• M5: 1,864,438 km (0.097 R)
• M6: 3,008,563 km (0.064 R)
• M7: 3,609,647 km (0.083 R)
• M8: 4,071,456 km (0.113 R)
• M9: 4,808,375 km (0.095 R)
• M10: 5,654,500 km (0.065 R)
• M11: 6,019,669 km (0.036 R)
• M12: 8,175,075 km (0.062 R)
• M13: 8,914,537 km (0.104 R)
• M14: 9,379,338 km (0.103 R)
• M15: 10,527,053 km (0.106 R)
• M16: 11,294,938 km (0.086 R)
• M17: 11,913,675 km (0.107 R)
• M18: 13,179,124 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.8

Radius: 14.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.79 AU - 2.93 AU

Year: 2418 Days

Day: 10.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,881,353 km

• M1: 179,069 km (0.116 R)
• M2: 653,443 km (0.039 R)
• M3: 1,436,140 km (0.027 R)
• M4: 1,931,159 km (0.086 R)
• M5: 2,469,262 km (0.104 R)
• M6: 4,261,595 km (0.116 R)
• M7: 5,283,647 km (0.11 R)
• M8: 6,159,842 km (0.113 R)
• M9: 7,908,641 km (0.073 R)
• M10: 8,985,746 km (0.06 R)
• M11: 9,856,106 km (0.099 R)
• M12: 10,467,064 km (0.119 R)
• M13: 12,497,257 km (0.102 R)
• M14: 13,910,208 km (0.118 R)
• M15: 14,484,963 km (0.075 R)
• M16: 15,376,716 km (0.115 R)
• M17: 17,600,040 km (0.059 R)
• M18: 19,550,946 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 14.6

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.74 AU - 2.86 AU

Year: 3124 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,881,353 km

• M1: 182,061 km (0.074 R)
• M2: 848,220 km (0.118 R)
• M3: 1,532,181 km (0.116 R)
• M4: 2,106,188 km (0.094 R)
• M5: 3,451,073 km (0.083 R)
• M6: 4,544,484 km (0.044 R)
• M7: 5,160,229 km (0.048 R)
• M8: 6,501,823 km (0.057 R)
• M9: 7,223,483 km (0.108 R)
• M10: 8,098,630 km (0.115 R)
• M11: 9,411,800 km (0.083 R)
• M12: 10,060,756 km (0.104 R)
• M13: 11,027,906 km (0.116 R)
• M14: 12,278,245 km (0.067 R)
• M15: 13,007,535 km (0.099 R)
• M16: 13,477,871 km (0.116 R)
• M17: 14,204,767 km (0.07 R)
• M18: 19,188,620 km (0.06 R)
• M19: 19,737,494 km (0.079 R)
• M20: 20,359,522 km (0.106 R)
• M21: 21,058,892 km (0.076 R)
• M22: 21,906,065 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.2

Radius: 10.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.83 AU - 2.93 AU

Year: 3259 Days

Day: 13.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,881,353 km

• M1: 135,984 km (0.088 R)
• M2: 487,539 km (0.057 R)
• M3: 864,227 km (0.116 R)
• M4: 1,494,184 km (0.116 R)
• M5: 2,235,740 km (0.041 R)
• M6: 2,620,356 km (0.095 R)
• M7: 4,778,455 km (0.113 R)
• M8: 8,337,538 km (0.085 R)
• M9: 9,608,522 km (0.1 R)
• M10: 10,835,673 km (0.086 R)
• M11: 11,733,709 km (0.045 R)
• M12: 12,200,903 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.5

Radius: 8.3

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.33 AU - 3.55 AU

Year: 3362 Days

Day: 9.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,881,353 km

• M1: 103,971 km (0.078 R)
• M2: 440,865 km (0.083 R)
• M3: 886,218 km (0.086 R)
• M4: 1,365,081 km (0.103 R)
• M5: 1,941,930 km (0.093 R)
• M6: 2,405,534 km (0.096 R)
• M7: 2,838,171 km (0.069 R)
• M8: 3,321,821 km (0.105 R)
• M9: 4,116,485 km (0.05 R)
• M10: 4,477,015 km (0.062 R)
• M11: 4,907,708 km (0.115 R)
• M12: 5,824,294 km (0.044 R)
• M13: 7,621,114 km (0.102 R)
• M14: 8,448,091 km (0.074 R)
• M15: 9,525,644 km (0.067 R)
• M16: 10,484,567 km (0.027 R)
• M17: 12,453,574 km (0.093 R)
• M18: 18,161,182 km (0.064 R)
• M19: 19,820,371 km (0.093 R)
• M20: 20,395,276 km (0.097 R)
• M21: 21,712,635 km (0.104 R)
• M22: 23,226,117 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.5

Radius: 12

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.07 AU - 3.15 AU

Year: 3657 Days

Day: 10.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,881,353 km

• M1: 162,164 km (0.109 R)
• M2: 543,938 km (0.077 R)
• M3: 1,198,578 km (0.068 R)
• M4: 2,495,741 km (0.107 R)
• M5: 3,173,270 km (0.101 R)
• M6: 3,839,280 km (0.051 R)
• M7: 5,873,212 km (0.07 R)
• M8: 6,879,408 km (0.08 R)
• M9: 7,509,065 km (0.086 R)
• M10: 9,711,595 km (0.036 R)
• M11: 12,030,810 km (0.115 R)
• M12: 12,749,329 km (0.052 R)
• M13: 14,430,659 km (0.113 R)
• M14: 16,026,270 km (0.108 R)
• M15: 17,373,100 km (0.076 R)
• M16: 18,478,628 km (0.117 R)
• M17: 21,447,398 km (0.102 R)
• M18: 22,361,142 km (0.068 R)
• M19: 27,323,004 km (0.059 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.9

Radius: 7.3

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.25 AU - 6.95 AU

Year: 10047 Days

Day: 18.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 42,881,353 km

• M1: 91,255 km (0.046 R)
• M2: 332,107 km (0.115 R)
• M3: 990,488 km (0.064 R)
• M4: 1,246,150 km (0.108 R)
• M5: 2,005,210 km (0.088 R)
• M6: 2,849,989 km (0.084 R)
• M7: 3,193,615 km (0.041 R)
• M8: 3,540,682 km (0.111 R)
• M9: 4,310,363 km (0.062 R)
• M10: 4,705,751 km (0.085 R)
• M11: 6,282,662 km (0.092 R)
• M12: 6,643,342 km (0.11 R)
• M13: 7,366,498 km (0.037 R)
• M14: 8,439,713 km (0.061 R)
• M15: 9,566,485 km (0.108 R)
• M16: 10,289,042 km (0.095 R)
• M17: 12,115,483 km (0.063 R)
• M18: 12,674,680 km (0.052 R)
• M19: 15,020,973 km (0.117 R)
• M20: 17,784,344 km (0.08 R)
• M21: 18,360,595 km (0.101 R)
• M22: 19,550,048 km (0.111 R)
• M23: 21,108,260 km (0.103 R)
• M24: 22,663,479 km (0.104 R)
• M25: 23,857,120 km (0.051 R)
• M26: 29,350,953 km (0.104 R)
• M27: 29,952,785 km (0.117 R)
• M28: 31,913,115 km (0.066 R)
• M29: 32,230,263 km (0.115 R)
• M30: 34,067,474 km (0.09 R)
• M31: 34,509,686 km (0.103 R)
• M32: 37,010,513 km (0.072 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 16,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit