🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.9

Radius: 13.2

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.76 AU - 0.96 AU

Year: 515 Days

Day: 13.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,353,243 km

• M1: 166,353 km (0.091 R)
• M2: 704,456 km (0.118 R)
• M3: 1,118,543 km (0.111 R)
• M4: 1,780,364 km (0.104 R)
• M5: 2,870,035 km (0.097 R)
• M6: 3,345,906 km (0.112 R)
• M7: 4,350,755 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.1

Radius: 11.9

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.27 AU - 2.01 AU

Year: 1356 Days

Day: 9.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,353,243 km

• M1: 148,102 km (0.047 R)
• M2: 625,917 km (0.052 R)
• M3: 1,089,970 km (0.118 R)
• M4: 1,667,717 km (0.1 R)
• M5: 2,494,544 km (0.109 R)
• M6: 3,090,243 km (0.115 R)
• M7: 3,593,490 km (0.081 R)
• M8: 5,331,519 km (0.077 R)
• M9: 6,035,376 km (0.105 R)
• M10: 6,723,527 km (0.09 R)
• M11: 7,273,299 km (0.116 R)
• M12: 7,852,991 km (0.069 R)
• M13: 8,285,777 km (0.091 R)
• M14: 9,421,973 km (0.066 R)
• M15: 9,911,009 km (0.114 R)
• M16: 11,444,536 km (0.105 R)
• M17: 12,115,333 km (0.062 R)
• M18: 13,170,746 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.5

Radius: 11.2

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.72 AU - 1.88 AU

Year: 1559 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,353,243 km

• M1: 139,575 km (0.089 R)
• M2: 567,275 km (0.109 R)
• M3: 946,057 km (0.106 R)
• M4: 1,310,328 km (0.063 R)
• M5: 1,918,144 km (0.108 R)
• M6: 2,557,076 km (0.111 R)
• M7: 3,381,660 km (0.066 R)
• M8: 3,909,740 km (0.102 R)
• M9: 4,571,412 km (0.099 R)
• M10: 6,541,765 km (0.115 R)
• M11: 7,644,152 km (0.119 R)
• M12: 8,195,121 km (0.118 R)
• M13: 9,247,392 km (0.082 R)
• M14: 11,210,266 km (0.075 R)
• M15: 11,656,516 km (0.107 R)
• M16: 12,824,277 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.4

Radius: 10.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.62 AU - 2.7 AU

Year: 2801 Days

Day: 10.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,353,243 km

• M1: 127,308 km (0.072 R)
• M2: 1,722,619 km (0.106 R)
• M3: 2,722,532 km (0.103 R)
• M4: 3,264,674 km (0.089 R)
• M5: 4,171,237 km (0.055 R)
• M6: 5,261,058 km (0.094 R)
• M7: 6,395,459 km (0.112 R)
• M8: 7,414,818 km (0.077 R)
• M9: 9,005,642 km (0.092 R)
• M10: 13,022,644 km (0.077 R)
• M11: 14,747,956 km (0.106 R)
• M12: 15,714,957 km (0.035 R)
• M13: 16,467,434 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.2

Radius: 9.5

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.34 AU - 4.82 AU

Year: 5321 Days

Day: 13.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,353,243 km

• M1: 118,182 km (0.061 R)
• M2: 1,892,563 km (0.051 R)
• M3: 2,227,064 km (0.065 R)
• M4: 2,584,752 km (0.041 R)
• M5: 3,357,724 km (0.044 R)
• M6: 4,586,372 km (0.105 R)
• M7: 5,744,558 km (0.107 R)
• M8: 9,240,660 km (0.082 R)
• M9: 9,759,167 km (0.081 R)
• M10: 13,640,633 km (0.078 R)
• M11: 20,180,005 km (0.09 R)
• M12: 22,946,668 km (0.112 R)
• M13: 25,489,383 km (0.116 R)
• M14: 26,350,618 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 909.3

Radius: 6.8

Gravity: 19.66 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.94 AU - 8 AU

Year: 11881 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,353,243 km

• M1: 84,523 km (0.103 R)
• M2: 476,619 km (0.112 R)
• M3: 812,017 km (0.106 R)
• M4: 1,285,195 km (0.077 R)
• M5: 2,283,312 km (0.088 R)
• M6: 2,724,626 km (0.052 R)
• M7: 3,666,345 km (0.117 R)
• M8: 4,121,870 km (0.118 R)
• M9: 4,425,404 km (0.09 R)
• M10: 5,790,934 km (0.034 R)
• M11: 6,250,349 km (0.079 R)
• M12: 6,775,138 km (0.047 R)
• M13: 7,198,500 km (0.045 R)
• M14: 12,640,571 km (0.106 R)
• M15: 13,610,863 km (0.115 R)
• M16: 15,992,910 km (0.101 R)
• M17: 17,438,175 km (0.049 R)
• M18: 19,723,881 km (0.082 R)
• M19: 20,065,862 km (0.118 R)
• M20: 21,654,292 km (0.049 R)
• M21: 22,201,820 km (0.117 R)
• M22: 24,484,833 km (0.034 R)
• M23: 29,846,870 km (0.08 R)
• M24: 32,147,086 km (0.102 R)
• M25: 35,185,120 km (0.093 R)
• M26: 36,452,214 km (0.064 R)
• M27: 37,226,832 km (0.098 R)
• M28: 45,289,858 km (0.101 R)
• M29: 51,159,181 km (0.082 R)
• M30: 56,995,742 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.3

Radius: 3.9

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 5.64 AU - 8.84 AU

Year: 12578 Days

Day: 22.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,353,243 km

• M1: 52,808 km (0.09 R)
• M2: 187,147 km (0.12 R)
• M3: 310,715 km (0.029 R)
• M4: 444,156 km (0.094 R)
• M5: 719,117 km (0.103 R)
• M6: 907,461 km (0.113 R)
• M7: 1,108,520 km (0.092 R)
• M8: 1,477,279 km (0.111 R)
• M9: 1,756,279 km (0.112 R)
• M10: 2,435,753 km (0.074 R)
• M11: 3,213,661 km (0.085 R)
• M12: 4,315,599 km (0.113 R)
• M13: 4,645,612 km (0.097 R)
• M14: 5,918,840 km (0.109 R)
• M15: 6,262,316 km (0.087 R)
• M16: 7,091,986 km (0.115 R)
• M17: 7,587,305 km (0.049 R)
• M18: 7,806,466 km (0.081 R)
• M19: 9,629,914 km (0.076 R)
• M20: 14,928,820 km (0.085 R)
• M21: 15,330,939 km (0.083 R)
• M22: 16,217,008 km (0.075 R)
• M23: 17,577,451 km (0.082 R)
• M24: 17,768,637 km (0.086 R)
• M25: 18,220,273 km (0.049 R)
• M26: 24,726,434 km (0.084 R)
• M27: 25,860,236 km (0.051 R)
• M28: 27,797,379 km (0.12 R)
• M29: 30,010,380 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.1

Radius: 3.1

Gravity: 100.74 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.05 AU - 9.59 AU

Year: 14120 Days

Day: 15.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 49,353,243 km

• M1: 38,596 km (0.101 R)
• M2: 164,408 km (0.072 R)
• M3: 413,788 km (0.098 R)
• M4: 547,977 km (0.12 R)
• M5: 739,612 km (0.095 R)
• M6: 916,736 km (0.112 R)
• M7: 1,865,485 km (0.111 R)
• M8: 2,448,020 km (0.117 R)
• M9: 3,328,702 km (0.083 R)
• M10: 3,810,258 km (0.116 R)
• M11: 5,646,572 km (0.099 R)
• M12: 6,000,969 km (0.07 R)
• M13: 6,841,559 km (0.044 R)
• M14: 8,245,087 km (0.076 R)
• M15: 8,700,911 km (0.064 R)
• M16: 11,234,501 km (0.088 R)
• M17: 12,307,118 km (0.099 R)
• M18: 16,557,642 km (0.096 R)
• M19: 20,297,888 km (0.12 R)
• M20: 21,126,510 km (0.07 R)
• M21: 22,949,510 km (0.102 R)
• M22: 23,848,593 km (0.078 R)
• M23: 25,610,407 km (0.108 R)
• M24: 33,780,097 km (0.091 R)
• M25: 35,466,962 km (0.042 R)
• M26: 38,031,967 km (0.103 R)
• M27: 42,626,716 km (0.085 R)
• M28: 48,872,727 km (0.048 R)
• M29: 52,042,107 km (0.056 R)
• M30: 61,031,144 km (0.097 R)
• M31: 61,220,834 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.8

Radius: 4.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.96 AU - 8.98 AU

Year: 14528 Days

Day: 24.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,353,243 km

• M1: 58,642 km (0.109 R)
• M2: 1,144,723 km (0.11 R)
• M3: 6,757,635 km (0.076 R)
• M4: 7,639,215 km (0.117 R)
• M5: 9,586,680 km (0.063 R)
• M6: 11,794,595 km (0.083 R)
• M7: 15,536,636 km (0.088 R)
• M8: 17,923,171 km (0.06 R)
• M9: 19,072,681 km (0.089 R)
• M10: 24,087,052 km (0.119 R)
• M11: 26,935,994 km (0.073 R)
• M12: 27,849,289 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.6

Radius: 6.8

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.24 AU - 8.56 AU

Year: 15719 Days

Day: 22.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,353,243 km

• M1: 84,672 km (0.1 R)
• M2: 502,798 km (0.108 R)
• M3: 911,201 km (0.086 R)
• M4: 1,143,077 km (0.111 R)
• M5: 1,714,242 km (0.074 R)
• M6: 2,270,148 km (0.063 R)
• M7: 2,641,300 km (0.069 R)
• M8: 2,874,373 km (0.112 R)
• M9: 4,224,494 km (0.102 R)
• M10: 5,038,307 km (0.06 R)
• M11: 6,024,157 km (0.116 R)
• M12: 6,972,308 km (0.109 R)
• M13: 8,461,854 km (0.092 R)
• M14: 9,450,995 km (0.073 R)
• M15: 10,567,743 km (0.094 R)
• M16: 17,128,956 km (0.12 R)
• M17: 17,495,770 km (0.065 R)
• M18: 17,793,021 km (0.097 R)
• M19: 18,937,594 km (0.12 R)
• M20: 21,036,453 km (0.069 R)
• M21: 21,372,599 km (0.069 R)
• M22: 28,357,772 km (0.056 R)
• M23: 30,663,225 km (0.082 R)
• M24: 31,095,413 km (0.109 R)
• M25: 32,304,912 km (0.078 R)
• M26: 49,353,235 km (0.109 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: 312 - 18,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit