🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.6

Radius: 13.6

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.67 AU - 0.97 AU

Year: 513 Days

Day: 12.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,333,221 km

• M1: 169,345 km (0.082 R)
• M2: 613,052 km (0.072 R)
• M3: 1,132,755 km (0.082 R)
• M4: 1,783,356 km (0.108 R)
• M5: 2,453,405 km (0.114 R)
• M6: 3,184,490 km (0.05 R)
• M7: 4,070,558 km (0.104 R)
• M8: 4,601,331 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 10.6

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.03 AU - 1.53 AU

Year: 1000 Days

Day: 10.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,333,221 km

• M1: 131,796 km (0.089 R)
• M2: 480,808 km (0.07 R)
• M3: 1,076,955 km (0.12 R)
• M4: 1,425,668 km (0.066 R)
• M5: 2,135,958 km (0.115 R)
• M6: 2,698,297 km (0.096 R)
• M7: 3,500,740 km (0.114 R)
• M8: 3,894,930 km (0.077 R)
• M9: 4,352,550 km (0.1 R)
• M10: 5,049,826 km (0.034 R)
• M11: 7,036,485 km (0.08 R)
• M12: 7,971,173 km (0.053 R)
• M13: 9,906,969 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.8

Radius: 14.8

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.81 AU - 2.41 AU

Year: 2116 Days

Day: 13.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,333,221 km

• M1: 184,155 km (0.085 R)
• M2: 1,669,811 km (0.099 R)
• M3: 2,161,540 km (0.104 R)
• M4: 2,796,283 km (0.032 R)
• M5: 3,699,555 km (0.079 R)
• M6: 4,594,599 km (0.083 R)
• M7: 5,605,283 km (0.108 R)
• M8: 6,190,210 km (0.114 R)
• M9: 8,226,088 km (0.05 R)
• M10: 11,578,875 km (0.117 R)
• M11: 12,152,583 km (0.042 R)
• M12: 14,877,658 km (0.09 R)
• M13: 15,704,485 km (0.063 R)
• M14: 17,610,362 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 11.3

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.8 AU - 4.26 AU

Year: 4578 Days

Day: 12.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,333,221 km

• M1: 140,622 km (0.099 R)
• M2: 620,831 km (0.12 R)
• M3: 1,156,242 km (0.035 R)
• M4: 2,398,951 km (0.071 R)
• M5: 3,296,838 km (0.077 R)
• M6: 4,091,203 km (0.058 R)
• M7: 5,944,122 km (0.104 R)
• M8: 8,625,364 km (0.117 R)
• M9: 9,070,568 km (0.115 R)
• M10: 9,806,739 km (0.102 R)
• M11: 20,080,223 km (0.089 R)
• M12: 22,008,689 km (0.12 R)
• M13: 24,941,406 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.3

Radius: 13.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.79 AU - 4.55 AU

Year: 4853 Days

Day: 9 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,333,221 km

• M1: 164,109 km (0.106 R)
• M2: 841,039 km (0.106 R)
• M3: 1,954,795 km (0.088 R)
• M4: 3,064,213 km (0.089 R)
• M5: 3,586,609 km (0.095 R)
• M6: 4,191,882 km (0.07 R)
• M7: 4,812,414 km (0.028 R)
• M8: 5,408,561 km (0.066 R)
• M9: 5,872,764 km (0.092 R)
• M10: 6,363,594 km (0.119 R)
• M11: 7,393,127 km (0.08 R)
• M12: 7,929,734 km (0.116 R)
• M13: 9,823,943 km (0.06 R)
• M14: 13,414,890 km (0.11 R)
• M15: 13,891,209 km (0.091 R)
• M16: 15,445,980 km (0.097 R)
• M17: 19,565,457 km (0.111 R)
• M18: 20,386,151 km (0.11 R)
• M19: 22,390,164 km (0.114 R)
• M20: 23,440,042 km (0.058 R)
• M21: 25,637,933 km (0.095 R)
• M22: 26,620,791 km (0.028 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.1

Radius: 14.7

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.38 AU - 5.36 AU

Year: 7418 Days

Day: 12.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,333,221 km

• M1: 182,809 km (0.104 R)
• M2: 736,022 km (0.117 R)
• M3: 1,245,701 km (0.117 R)
• M4: 2,359,906 km (0.08 R)
• M5: 3,491,016 km (0.078 R)
• M6: 5,351,565 km (0.031 R)
• M7: 6,257,081 km (0.118 R)
• M8: 6,986,520 km (0.036 R)
• M9: 7,546,315 km (0.093 R)
• M10: 9,114,549 km (0.044 R)
• M11: 9,632,457 km (0.089 R)
• M12: 10,486,362 km (0.087 R)
• M13: 11,055,582 km (0.067 R)
• M14: 11,517,390 km (0.118 R)
• M15: 12,300,835 km (0.089 R)
• M16: 13,073,059 km (0.106 R)
• M17: 13,781,105 km (0.03 R)
• M18: 15,171,468 km (0.043 R)
• M19: 16,872,695 km (0.114 R)
• M20: 18,875,811 km (0.119 R)
• M21: 19,536,884 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.7

Radius: 7.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.5 AU - 6.6 AU

Year: 9025 Days

Day: 21.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,333,221 km

• M1: 103,372 km (0.105 R)
• M2: 755,170 km (0.038 R)
• M3: 1,048,382 km (0.12 R)
• M4: 1,340,995 km (0.104 R)
• M5: 2,030,791 km (0.097 R)
• M6: 2,349,135 km (0.12 R)
• M7: 2,609,436 km (0.085 R)
• M8: 3,811,604 km (0.084 R)
• M9: 4,111,099 km (0.092 R)
• M10: 4,780,250 km (0.076 R)
• M11: 5,105,327 km (0.102 R)
• M12: 5,420,380 km (0.119 R)
• M13: 6,062,903 km (0.117 R)
• M14: 7,529,410 km (0.119 R)
• M15: 9,541,053 km (0.101 R)
• M16: 13,418,480 km (0.083 R)
• M17: 14,687,220 km (0.092 R)
• M18: 16,764,087 km (0.08 R)
• M19: 18,458,732 km (0.062 R)
• M20: 19,086,744 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794

Radius: 4.5

Gravity: 39.21 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.6 AU - 6.78 AU

Year: 9369 Days

Day: 21.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 78,333,221 km

• M1: 58,194 km (0.102 R)
• M2: 604,525 km (0.092 R)
• M3: 764,146 km (0.08 R)
• M4: 1,422,227 km (0.046 R)
• M5: 2,085,394 km (0.106 R)
• M6: 2,495,143 km (0.101 R)
• M7: 3,091,739 km (0.119 R)
• M8: 4,960,217 km (0.077 R)
• M9: 5,249,240 km (0.094 R)
• M10: 5,721,071 km (0.119 R)
• M11: 6,257,529 km (0.107 R)
• M12: 7,765,476 km (0.081 R)
• M13: 8,973,628 km (0.094 R)
• M14: 9,162,720 km (0.046 R)
• M15: 10,148,121 km (0.059 R)
• M16: 10,353,369 km (0.102 R)
• M17: 10,932,164 km (0.096 R)
• M18: 11,643,651 km (0.113 R)
• M19: 12,096,484 km (0.115 R)
• M20: 13,649,609 km (0.103 R)
• M21: 14,473,893 km (0.08 R)
• M22: 16,714,570 km (0.11 R)
• M23: 17,217,817 km (0.027 R)
• M24: 18,029,087 km (0.042 R)
• M25: 21,194,129 km (0.058 R)
• M26: 21,361,379 km (0.081 R)
• M27: 22,470,498 km (0.114 R)
• M28: 25,646,610 km (0.105 R)
• M29: 27,489,955 km (0.097 R)
• M30: 27,688,920 km (0.04 R)
• M31: 28,089,992 km (0.102 R)
• M32: 29,419,768 km (0.094 R)
• M33: 30,470,992 km (0.1 R)
• M34: 34,926,166 km (0.079 R)
• M35: 35,748,057 km (0.068 R)
• M36: 36,342,858 km (0.066 R)
• M37: 36,582,663 km (0.103 R)
• M38: 37,674,728 km (0.06 R)
• M39: 39,164,423 km (0.107 R)
• M40: 39,416,496 km (0.048 R)
• M41: 40,435,407 km (0.071 R)
• M42: 42,658,880 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.8

Radius: 7.1

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.72 AU - 7 AU

Year: 9792 Days

Day: 21.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,333,221 km

• M1: 88,263 km (0.077 R)
• M2: 342,729 km (0.051 R)
• M3: 611,556 km (0.072 R)
• M4: 865,274 km (0.081 R)
• M5: 1,362,687 km (0.079 R)
• M6: 2,286,603 km (0.106 R)
• M7: 7,362,310 km (0.11 R)
• M8: 9,236,023 km (0.119 R)
• M9: 11,186,630 km (0.095 R)
• M10: 12,848,812 km (0.067 R)
• M11: 16,160,011 km (0.076 R)
• M12: 18,735,787 km (0.076 R)
• M13: 22,696,091 km (0.097 R)
• M14: 23,049,292 km (0.099 R)
• M15: 23,948,375 km (0.108 R)
• M16: 29,945,903 km (0.059 R)
• M17: 34,844,934 km (0.08 R)
• M18: 44,106,838 km (0.073 R)
• M19: 45,771,264 km (0.098 R)
• M20: 48,491,551 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.1

Radius: 3.5

Gravity: 72.42 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 7.48 AU - 10.34 AU

Year: 18358 Days

Day: 18.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,333,221 km

• M1: 75,248 km (0.117 R)
• M2: 346,469 km (0.099 R)
• M3: 507,735 km (0.102 R)
• M4: 1,194,838 km (0.083 R)
• M5: 3,487,276 km (0.087 R)
• M6: 4,041,386 km (0.061 R)
• M7: 4,442,010 km (0.098 R)
• M8: 7,418,110 km (0.08 R)
• M9: 8,171,784 km (0.038 R)
• M10: 9,947,660 km (0.027 R)
• M11: 16,122,611 km (0.068 R)
• M12: 19,249,057 km (0.106 R)
• M13: 20,470,673 km (0.081 R)
• M14: 24,228,422 km (0.083 R)
• M15: 24,660,311 km (0.096 R)
• M16: 26,553,173 km (0.062 R)
• M17: 28,780,686 km (0.116 R)
• M18: 29,022,137 km (0.069 R)
• M19: 29,386,856 km (0.096 R)
• M20: 31,639,950 km (0.113 R)
• M21: 42,737,868 km (0.048 R)
• M22: 44,485,769 km (0.057 R)
• M23: 46,778,357 km (0.07 R)
• M24: 47,112,259 km (0.072 R)
• M25: 47,615,955 km (0.041 R)
• M26: 52,132,614 km (0.066 R)
• M27: 53,760,388 km (0.101 R)
• M28: 60,018,217 km (0.067 R)
• M29: 64,655,452 km (0.034 R)
• M30: 69,960,641 km (0.1 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: 466 - 12,917 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit