🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.7

Radius: 13.3

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.5 AU - 0.8 AU

Year: 368 Days

Day: 6.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,274,850 km

• M1: 165,455 km (0.086 R)
• M2: 597,195 km (0.109 R)
• M3: 1,099,844 km (0.042 R)
• M4: 1,541,905 km (0.074 R)
• M5: 2,230,504 km (0.11 R)
• M6: 3,199,001 km (0.027 R)
• M7: 4,152,089 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.2

Radius: 13.9

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.56 AU - 0.76 AU

Year: 377 Days

Day: 7 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,274,850 km

• M1: 172,935 km (0.026 R)
• M2: 667,057 km (0.105 R)
• M3: 1,213,837 km (0.119 R)
• M4: 1,663,678 km (0.058 R)
• M5: 2,611,979 km (0.087 R)
• M6: 3,052,694 km (0.093 R)
• M7: 3,614,434 km (0.089 R)
• M8: 4,139,074 km (0.096 R)
• M9: 4,572,908 km (0.059 R)
• M10: 5,158,284 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.4

Radius: 12.1

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.69 AU - 0.97 AU

Year: 532 Days

Day: 9.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,274,850 km

• M1: 152,141 km (0.071 R)
• M2: 609,911 km (0.092 R)
• M3: 1,319,304 km (0.12 R)
• M4: 1,779,616 km (0.037 R)
• M5: 2,564,855 km (0.088 R)
• M6: 3,121,509 km (0.048 R)
• M7: 3,712,720 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.9

Radius: 8.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.77 AU - 1.05 AU

Year: 610 Days

Day: 5.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,274,850 km

• M1: 107,411 km (0.034 R)
• M2: 387,608 km (0.099 R)
• M3: 918,681 km (0.115 R)
• M4: 1,324,240 km (0.108 R)
• M5: 1,964,669 km (0.089 R)
• M6: 2,402,691 km (0.104 R)
• M7: 2,863,303 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 11.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.31 AU - 1.97 AU

Year: 1476 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,274,850 km

• M1: 145,559 km (0.096 R)
• M2: 528,679 km (0.089 R)
• M3: 1,003,203 km (0.068 R)
• M4: 1,434,793 km (0.112 R)
• M5: 1,884,185 km (0.088 R)
• M6: 2,889,333 km (0.106 R)
• M7: 3,423,846 km (0.079 R)
• M8: 4,007,428 km (0.075 R)
• M9: 4,620,629 km (0.062 R)
• M10: 5,394,350 km (0.057 R)
• M11: 6,013,685 km (0.056 R)
• M12: 7,745,579 km (0.111 R)
• M13: 8,159,965 km (0.111 R)
• M14: 8,726,493 km (0.108 R)
• M15: 9,232,732 km (0.08 R)
• M16: 9,878,097 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54

Radius: 10.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.99 AU - 2.39 AU

Year: 2278 Days

Day: 14.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,274,850 km

• M1: 134,788 km (0.108 R)
• M2: 649,704 km (0.108 R)
• M3: 1,619,098 km (0.046 R)
• M4: 1,955,543 km (0.078 R)
• M5: 2,349,285 km (0.066 R)
• M6: 2,795,984 km (0.086 R)
• M7: 5,643,430 km (0.078 R)
• M8: 6,632,870 km (0.111 R)
• M9: 7,072,539 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 11.7

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.98 AU - 3.26 AU

Year: 3874 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,274,850 km

• M1: 145,559 km (0.088 R)
• M2: 525,837 km (0.107 R)
• M3: 1,719,927 km (0.08 R)
• M4: 2,176,649 km (0.105 R)
• M5: 3,132,579 km (0.115 R)
• M6: 3,655,274 km (0.107 R)
• M7: 4,326,670 km (0.09 R)
• M8: 4,926,407 km (0.086 R)
• M9: 6,842,307 km (0.041 R)
• M10: 7,291,400 km (0.026 R)
• M11: 8,795,756 km (0.045 R)
• M12: 9,288,831 km (0.117 R)
• M13: 9,961,423 km (0.109 R)
• M14: 10,836,870 km (0.117 R)
• M15: 11,493,006 km (0.051 R)
• M16: 11,899,314 km (0.095 R)
• M17: 13,772,130 km (0.085 R)
• M18: 14,437,990 km (0.069 R)
• M19: 16,507,975 km (0.072 R)
• M20: 17,318,347 km (0.056 R)
• M21: 20,960,158 km (0.088 R)
• M22: 21,635,891 km (0.106 R)
• M23: 24,559,333 km (0.096 R)
• M24: 24,933,028 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.8

Radius: 8.4

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.65 AU - 4.41 AU

Year: 5687 Days

Day: 12.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,274,850 km

• M1: 124,914 km (0.115 R)
• M2: 500,405 km (0.072 R)
• M3: 780,751 km (0.101 R)
• M4: 1,049,279 km (0.054 R)
• M5: 1,489,696 km (0.092 R)
• M6: 1,796,072 km (0.065 R)
• M7: 2,519,827 km (0.11 R)
• M8: 3,122,706 km (0.08 R)
• M9: 3,560,579 km (0.084 R)
• M10: 4,613,748 km (0.087 R)
• M11: 5,829,679 km (0.112 R)
• M12: 6,739,234 km (0.12 R)
• M13: 7,026,014 km (0.042 R)
• M14: 9,624,080 km (0.103 R)
• M15: 10,080,952 km (0.12 R)
• M16: 10,552,185 km (0.104 R)
• M17: 11,186,630 km (0.116 R)
• M18: 11,538,783 km (0.116 R)
• M19: 13,132,150 km (0.101 R)
• M20: 13,467,548 km (0.037 R)
• M21: 14,449,210 km (0.113 R)
• M22: 17,210,487 km (0.102 R)
• M23: 22,616,206 km (0.113 R)
• M24: 23,424,035 km (0.112 R)
• M25: 24,671,531 km (0.108 R)
• M26: 28,306,610 km (0.033 R)
• M27: 29,434,578 km (0.047 R)
• M28: 31,480,179 km (0.109 R)
• M29: 32,690,725 km (0.118 R)
• M30: 35,097,007 km (0.097 R)
• M31: 35,961,084 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.2

Radius: 3.7

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.87 AU - 6.07 AU

Year: 8993 Days

Day: 24.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,274,850 km

• M1: 46,076 km (0.118 R)
• M2: 192,233 km (0.06 R)
• M3: 334,351 km (0.118 R)
• M4: 591,809 km (0.112 R)
• M5: 1,002,306 km (0.035 R)
• M6: 1,292,825 km (0.108 R)
• M7: 1,457,981 km (0.117 R)
• M8: 1,579,604 km (0.111 R)
• M9: 1,768,696 km (0.049 R)
• M10: 1,907,223 km (0.09 R)
• M11: 2,412,415 km (0.052 R)
• M12: 3,144,547 km (0.068 R)
• M13: 3,640,913 km (0.08 R)
• M14: 4,056,945 km (0.051 R)
• M15: 4,620,629 km (0.069 R)
• M16: 5,082,588 km (0.091 R)
• M17: 6,126,182 km (0.093 R)
• M18: 6,592,928 km (0.11 R)
• M19: 8,204,396 km (0.081 R)
• M20: 11,341,912 km (0.112 R)
• M21: 11,514,847 km (0.082 R)
• M22: 11,777,541 km (0.115 R)
• M23: 12,774,761 km (0.073 R)
• M24: 17,847,325 km (0.118 R)
• M25: 18,916,352 km (0.043 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558.2

Radius: 7.3

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.3 AU - 8.82 AU

Year: 17604 Days

Day: 24.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,274,850 km

• M1: 90,806 km (0.044 R)
• M2: 530,923 km (0.086 R)
• M3: 926,011 km (0.088 R)
• M4: 1,402,480 km (0.116 R)
• M5: 2,128,179 km (0.099 R)
• M6: 2,652,819 km (0.117 R)
• M7: 3,898,221 km (0.118 R)
• M8: 4,517,856 km (0.092 R)
• M9: 4,920,124 km (0.089 R)
• M10: 5,605,582 km (0.09 R)
• M11: 6,560,465 km (0.118 R)
• M12: 8,092,946 km (0.055 R)
• M13: 9,362,284 km (0.085 R)
• M14: 12,035,747 km (0.079 R)
• M15: 12,354,091 km (0.063 R)
• M16: 13,752,383 km (0.078 R)
• M17: 14,453,997 km (0.09 R)
• M18: 14,813,630 km (0.116 R)
• M19: 17,500,857 km (0.105 R)
• M20: 20,227,128 km (0.109 R)
• M21: 21,878,838 km (0.116 R)
• M22: 25,137,080 km (0.116 R)
• M23: 25,448,543 km (0.06 R)
• M24: 26,719,676 km (0.088 R)
• M25: 28,818,085 km (0.096 R)
• M26: 32,596,628 km (0.08 R)
• M27: 36,294,837 km (0.082 R)
• M28: 38,313,211 km (0.083 R)
• M29: 39,419,637 km (0.067 R)
• M30: 39,699,535 km (0.117 R)
• M31: 41,119,069 km (0.101 R)
• M32: 54,577,941 km (0.037 R)
• M33: 55,100,187 km (0.057 R)
• M34: 60,136,250 km (0.067 R)
• M35: 61,066,599 km (0.076 R)
• M36: 61,629,536 km (0.12 R)
• M37: 63,722,859 km (0.097 R)
• M38: 64,690,009 km (0.098 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: 156 - 16,872 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit