🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.2

Radius: 10.1

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.49 AU - 0.53 AU

Year: 256 Days

Day: 7.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,955,397 km

• M1: 125,662 km (0.066 R)
• M2: 460,313 km (0.06 R)
• M3: 818,749 km (0.106 R)
• M4: 1,387,371 km (0.087 R)
• M5: 1,851,722 km (0.077 R)
• M6: 2,252,196 km (0.087 R)
• M7: 2,574,430 km (0.108 R)
• M8: 3,086,204 km (0.03 R)
• M9: 3,431,476 km (0.075 R)
• M10: 4,163,309 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 12.1

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.39 AU - 0.65 AU

Year: 264 Days

Day: 8.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,955,397 km

• M1: 150,495 km (0.068 R)
• M2: 550,969 km (0.032 R)
• M3: 971,040 km (0.076 R)
• M4: 1,382,733 km (0.09 R)
• M5: 1,767,200 km (0.031 R)
• M6: 2,191,160 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.2

Radius: 14.4

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.67 AU - 0.69 AU

Year: 394 Days

Day: 9 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,955,397 km

• M1: 179,069 km (0.03 R)
• M2: 628,161 km (0.109 R)
• M3: 1,084,435 km (0.11 R)
• M4: 1,572,573 km (0.108 R)
• M5: 2,125,935 km (0.096 R)
• M6: 3,239,542 km (0.117 R)
• M7: 3,922,307 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.8

Radius: 14.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.19 AU - 1.37 AU

Year: 1018 Days

Day: 11.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,955,397 km

• M1: 182,809 km (0.086 R)
• M2: 733,179 km (0.087 R)
• M3: 1,202,767 km (0.068 R)
• M4: 1,833,920 km (0.103 R)
• M5: 2,370,378 km (0.077 R)
• M6: 3,394,675 km (0.107 R)
• M7: 4,009,073 km (0.046 R)
• M8: 4,553,460 km (0.093 R)
• M9: 5,481,266 km (0.093 R)
• M10: 6,592,778 km (0.108 R)
• M11: 7,667,340 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.5

Radius: 10.4

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.63 AU - 2.59 AU

Year: 2154 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,955,397 km

• M1: 129,402 km (0.069 R)
• M2: 503,247 km (0.081 R)
• M3: 859,440 km (0.034 R)
• M4: 1,184,516 km (0.059 R)
• M5: 1,817,165 km (0.087 R)
• M6: 3,327,206 km (0.094 R)
• M7: 3,859,176 km (0.077 R)
• M8: 4,815,256 km (0.119 R)
• M9: 5,315,362 km (0.049 R)
• M10: 6,093,271 km (0.078 R)
• M11: 6,548,497 km (0.063 R)
• M12: 6,918,303 km (0.076 R)
• M13: 7,527,615 km (0.039 R)
• M14: 8,917,080 km (0.072 R)
• M15: 9,571,870 km (0.06 R)
• M16: 9,979,824 km (0.088 R)
• M17: 10,685,776 km (0.109 R)
• M18: 12,000,741 km (0.096 R)
• M19: 12,355,587 km (0.098 R)
• M20: 14,280,613 km (0.091 R)
• M21: 15,222,780 km (0.11 R)
• M22: 15,732,460 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519

Radius: 10

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.72 AU - 3.92 AU

Year: 5248 Days

Day: 7.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,955,397 km

• M1: 124,465 km (0.045 R)
• M2: 759,209 km (0.083 R)
• M3: 1,617,153 km (0.108 R)
• M4: 1,963,322 km (0.108 R)
• M5: 2,552,140 km (0.119 R)
• M6: 3,177,309 km (0.114 R)
• M7: 3,791,558 km (0.115 R)
• M8: 4,127,555 km (0.079 R)
• M9: 4,606,418 km (0.099 R)
• M10: 5,042,346 km (0.11 R)
• M11: 7,614,532 km (0.073 R)
• M12: 9,182,916 km (0.062 R)
• M13: 10,602,001 km (0.086 R)
• M14: 12,114,136 km (0.1 R)
• M15: 12,797,200 km (0.074 R)
• M16: 13,922,326 km (0.089 R)
• M17: 14,617,507 km (0.092 R)
• M18: 14,946,024 km (0.092 R)
• M19: 16,251,415 km (0.092 R)
• M20: 17,879,040 km (0.1 R)
• M21: 18,572,276 km (0.098 R)
• M22: 19,480,485 km (0.117 R)
• M23: 19,945,585 km (0.027 R)
• M24: 21,738,067 km (0.061 R)
• M25: 22,673,502 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.6

Radius: 15

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.71 AU - 5.73 AU

Year: 7208 Days

Day: 9 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,955,397 km

• M1: 186,848 km (0.11 R)
• M2: 785,688 km (0.094 R)
• M3: 1,260,811 km (0.055 R)
• M4: 1,790,238 km (0.119 R)
• M5: 2,636,962 km (0.063 R)
• M6: 3,208,126 km (0.067 R)
• M7: 5,566,836 km (0.049 R)
• M8: 7,067,901 km (0.068 R)
• M9: 9,409,856 km (0.116 R)
• M10: 11,062,613 km (0.094 R)
• M11: 11,530,854 km (0.105 R)
• M12: 13,362,680 km (0.033 R)
• M13: 15,381,803 km (0.054 R)
• M14: 16,632,740 km (0.09 R)
• M15: 17,950,697 km (0.055 R)
• M16: 19,262,371 km (0.101 R)
• M17: 19,865,550 km (0.119 R)
• M18: 21,589,516 km (0.11 R)
• M19: 22,076,457 km (0.043 R)
• M20: 23,072,629 km (0.104 R)
• M21: 23,839,169 km (0.102 R)
• M22: 25,154,583 km (0.108 R)
• M23: 29,095,140 km (0.081 R)
• M24: 33,754,964 km (0.047 R)
• M25: 39,250,442 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.1

Radius: 14.5

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.78 AU - 5.7 AU

Year: 8432 Days

Day: 8.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,955,397 km

• M1: 180,265 km (0.081 R)
• M2: 633,248 km (0.057 R)
• M3: 1,209,200 km (0.113 R)
• M4: 2,189,664 km (0.097 R)
• M5: 3,025,019 km (0.058 R)
• M6: 3,530,061 km (0.068 R)
• M7: 5,139,884 km (0.082 R)
• M8: 5,968,656 km (0.054 R)
• M9: 6,884,793 km (0.07 R)
• M10: 9,659,535 km (0.111 R)
• M11: 10,870,529 km (0.048 R)
• M12: 11,403,995 km (0.074 R)
• M13: 12,523,735 km (0.096 R)
• M14: 13,838,850 km (0.117 R)
• M15: 16,393,683 km (0.076 R)
• M16: 19,403,592 km (0.086 R)
• M17: 21,080,135 km (0.075 R)
• M18: 22,851,224 km (0.067 R)
• M19: 24,446,835 km (0.051 R)
• M20: 27,465,122 km (0.086 R)
• M21: 31,362,296 km (0.106 R)
• M22: 36,200,590 km (0.117 R)
• M23: 36,674,516 km (0.07 R)
• M24: 38,982,662 km (0.098 R)
• M25: 39,982,873 km (0.063 R)
• M26: 42,165,057 km (0.095 R)
• M27: 43,219,124 km (0.061 R)
• M28: 46,626,066 km (0.068 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.4

Radius: 6.1

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.73 AU - 6.91 AU

Year: 11168 Days

Day: 17 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,955,397 km

• M1: 76,145 km (0.111 R)
• M2: 338,091 km (0.082 R)
• M3: 794,065 km (0.063 R)
• M4: 1,390,811 km (0.105 R)
• M5: 5,058,054 km (0.069 R)
• M6: 5,332,117 km (0.098 R)
• M7: 6,152,960 km (0.042 R)
• M8: 7,968,929 km (0.079 R)
• M9: 9,733,137 km (0.104 R)
• M10: 11,413,121 km (0.109 R)
• M11: 12,768,328 km (0.118 R)
• M12: 13,380,632 km (0.113 R)
• M13: 13,799,656 km (0.103 R)
• M14: 14,173,501 km (0.102 R)
• M15: 14,997,187 km (0.05 R)
• M16: 15,392,275 km (0.099 R)
• M17: 18,677,294 km (0.08 R)
• M18: 20,620,870 km (0.065 R)
• M19: 22,917,646 km (0.11 R)
• M20: 23,897,512 km (0.071 R)
• M21: 24,592,095 km (0.091 R)
• M22: 27,842,408 km (0.064 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 647.4

Radius: 6.4

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.61 AU - 7.11 AU

Year: 11274 Days

Day: 23.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,955,397 km

• M1: 79,586 km (0.11 R)
• M2: 343,028 km (0.096 R)
• M3: 550,819 km (0.11 R)
• M4: 984,204 km (0.069 R)
• M5: 1,412,503 km (0.102 R)
• M6: 1,907,971 km (0.046 R)
• M7: 3,534,998 km (0.119 R)
• M8: 4,383,966 km (0.11 R)
• M9: 5,096,500 km (0.09 R)
• M10: 5,566,537 km (0.042 R)
• M11: 5,812,176 km (0.066 R)
• M12: 6,065,146 km (0.12 R)
• M13: 6,988,315 km (0.088 R)
• M14: 7,233,207 km (0.108 R)
• M15: 7,826,661 km (0.046 R)
• M16: 8,966,448 km (0.109 R)
• M17: 11,457,851 km (0.084 R)
• M18: 12,204,793 km (0.104 R)
• M19: 12,740,503 km (0.037 R)
• M20: 13,795,018 km (0.059 R)
• M21: 15,935,764 km (0.074 R)
• M22: 18,832,577 km (0.097 R)
• M23: 19,467,321 km (0.086 R)
• M24: 22,678,439 km (0.07 R)
• M25: 27,824,157 km (0.082 R)
• M26: 32,102,057 km (0.07 R)
• M27: 35,344,292 km (0.093 R)
• M28: 36,187,725 km (0.101 R)
• M29: 37,914,832 km (0.041 R)
• M30: 38,291,819 km (0.03 R)
• M31: 40,345,349 km (0.062 R)
• M32: 40,738,492 km (0.098 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 15,296 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit