🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.2

Radius: 11.5

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.85 AU - 1.31 AU

Year: 748 Days

Day: 10.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,661,123 km

• M1: 145,708 km (0.055 R)
• M2: 618,438 km (0.096 R)
• M3: 1,131,708 km (0.096 R)
• M4: 1,751,492 km (0.082 R)
• M5: 2,849,091 km (0.078 R)
• M6: 3,589,302 km (0.092 R)
• M7: 6,121,994 km (0.118 R)
• M8: 6,976,945 km (0.116 R)
• M9: 7,582,218 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.2

Radius: 8.6

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.62 AU - 2.28 AU

Year: 1816 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 86,661,123 km

• M1: 107,411 km (0.041 R)
• M2: 375,939 km (0.108 R)
• M3: 1,978,282 km (0.069 R)
• M4: 2,329,688 km (0.119 R)
• M5: 4,173,332 km (0.094 R)
• M6: 5,497,572 km (0.07 R)
• M7: 7,528,214 km (0.109 R)
• M8: 8,361,324 km (0.119 R)
• M9: 9,660,881 km (0.1 R)
• M10: 12,019,740 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.5

Radius: 10.9

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.45 AU - 4.49 AU

Year: 5275 Days

Day: 6.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 86,661,123 km

• M1: 159,621 km (0.037 R)
• M2: 1,012,778 km (0.095 R)
• M3: 1,443,320 km (0.032 R)
• M4: 2,703,533 km (0.114 R)
• M5: 3,461,545 km (0.035 R)
• M6: 3,961,950 km (0.118 R)
• M7: 4,330,410 km (0.096 R)
• M8: 4,995,821 km (0.089 R)
• M9: 5,606,180 km (0.119 R)
• M10: 6,871,778 km (0.114 R)
• M11: 7,442,644 km (0.047 R)
• M12: 9,177,231 km (0.046 R)
• M13: 10,597,812 km (0.11 R)
• M14: 11,022,521 km (0.103 R)
• M15: 11,458,599 km (0.069 R)
• M16: 12,417,072 km (0.107 R)
• M17: 13,537,710 km (0.081 R)
• M18: 15,313,586 km (0.037 R)
• M19: 15,796,039 km (0.111 R)
• M20: 25,462,904 km (0.101 R)
• M21: 27,709,116 km (0.078 R)
• M22: 29,710,287 km (0.111 R)
• M23: 30,746,252 km (0.066 R)
• M24: 32,001,528 km (0.091 R)
• M25: 34,305,335 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.5

Radius: 13.7

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.49 AU - 5.43 AU

Year: 6281 Days

Day: 11.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 86,661,123 km

• M1: 170,392 km (0.095 R)
• M2: 861,983 km (0.087 R)
• M3: 1,300,903 km (0.067 R)
• M4: 1,854,116 km (0.094 R)
• M5: 3,448,381 km (0.087 R)
• M6: 4,528,328 km (0.12 R)
• M7: 6,035,077 km (0.117 R)
• M8: 7,781,184 km (0.077 R)
• M9: 8,228,032 km (0.08 R)
• M10: 8,691,935 km (0.112 R)
• M11: 9,214,331 km (0.074 R)
• M12: 11,422,246 km (0.058 R)
• M13: 11,854,434 km (0.11 R)
• M14: 13,374,349 km (0.104 R)
• M15: 16,922,062 km (0.042 R)
• M16: 20,698,361 km (0.096 R)
• M17: 23,661,895 km (0.069 R)
• M18: 25,245,089 km (0.106 R)
• M19: 28,358,520 km (0.116 R)
• M20: 28,886,451 km (0.089 R)
• M21: 30,418,034 km (0.026 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.1

Radius: 8.5

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.03 AU - 6.01 AU

Year: 7500 Days

Day: 13.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 86,661,123 km

• M1: 105,766 km (0.091 R)
• M2: 539,300 km (0.096 R)
• M3: 1,369,868 km (0.067 R)
• M4: 1,635,404 km (0.092 R)
• M5: 2,044,105 km (0.104 R)
• M6: 2,556,328 km (0.117 R)
• M7: 3,621,316 km (0.115 R)
• M8: 5,044,739 km (0.108 R)
• M9: 6,079,807 km (0.077 R)
• M10: 7,988,825 km (0.09 R)
• M11: 8,819,542 km (0.111 R)
• M12: 9,167,358 km (0.079 R)
• M13: 9,798,361 km (0.062 R)
• M14: 10,847,940 km (0.1 R)
• M15: 11,553,743 km (0.099 R)
• M16: 11,970,672 km (0.074 R)
• M17: 13,225,349 km (0.084 R)
• M18: 14,089,427 km (0.107 R)
• M19: 15,175,507 km (0.101 R)
• M20: 16,186,789 km (0.099 R)
• M21: 17,787,187 km (0.067 R)
• M22: 23,548,201 km (0.079 R)
• M23: 24,134,325 km (0.092 R)
• M24: 25,422,812 km (0.091 R)
• M25: 27,856,620 km (0.111 R)
• M26: 28,136,368 km (0.102 R)
• M27: 28,891,388 km (0.097 R)
• M28: 31,843,253 km (0.092 R)
• M29: 33,602,225 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553

Radius: 9.4

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.35 AU - 6.59 AU

Year: 8531 Days

Day: 11.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,661,123 km

• M1: 117,285 km (0.107 R)
• M2: 413,788 km (0.095 R)
• M3: 772,823 km (0.108 R)
• M4: 1,165,667 km (0.088 R)
• M5: 1,503,758 km (0.06 R)
• M6: 1,877,752 km (0.099 R)
• M7: 2,261,770 km (0.029 R)
• M8: 2,916,410 km (0.09 R)
• M9: 3,211,567 km (0.119 R)
• M10: 4,064,275 km (0.079 R)
• M11: 5,031,126 km (0.037 R)
• M12: 5,364,729 km (0.104 R)
• M13: 6,596,967 km (0.09 R)
• M14: 7,687,386 km (0.061 R)
• M15: 9,025,389 km (0.071 R)
• M16: 10,174,002 km (0.08 R)
• M17: 10,709,263 km (0.1 R)
• M18: 11,059,471 km (0.118 R)
• M19: 11,521,130 km (0.087 R)
• M20: 12,264,632 km (0.093 R)
• M21: 15,182,837 km (0.108 R)
• M22: 15,946,684 km (0.108 R)
• M23: 16,602,521 km (0.058 R)
• M24: 17,758,614 km (0.117 R)
• M25: 18,534,727 km (0.105 R)
• M26: 22,188,207 km (0.118 R)
• M27: 23,338,016 km (0.08 R)
• M28: 29,201,654 km (0.075 R)
• M29: 30,381,832 km (0.028 R)
• M30: 31,084,942 km (0.074 R)
• M31: 37,562,679 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417

Radius: 8.9

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.11 AU - 6.21 AU

Year: 8980 Days

Day: 6.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 86,661,123 km

• M1: 110,852 km (0.105 R)
• M2: 540,048 km (0.103 R)
• M3: 911,949 km (0.11 R)
• M4: 2,130,722 km (0.109 R)
• M5: 4,125,610 km (0.072 R)
• M6: 5,916,147 km (0.101 R)
• M7: 7,658,364 km (0.118 R)
• M8: 8,542,338 km (0.076 R)
• M9: 9,403,573 km (0.057 R)
• M10: 11,756,897 km (0.093 R)
• M11: 13,603,982 km (0.109 R)
• M12: 20,897,476 km (0.052 R)
• M13: 21,279,998 km (0.072 R)
• M14: 25,108,058 km (0.104 R)
• M15: 30,240,013 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.8

Radius: 3.6

Gravity: 68.27 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 8.07 AU - 8.33 AU

Year: 15659 Days

Day: 16 Hours

Environment

Temp: -241 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 86,661,123 km

• M1: 45,029 km (0.104 R)
• M2: 195,824 km (0.079 R)
• M3: 338,390 km (0.061 R)
• M4: 483,052 km (0.09 R)
• M5: 624,571 km (0.115 R)
• M6: 1,225,057 km (0.041 R)
• M7: 1,556,117 km (0.111 R)
• M8: 1,725,163 km (0.092 R)
• M9: 2,328,341 km (0.088 R)
• M10: 2,549,896 km (0.096 R)
• M11: 2,834,132 km (0.113 R)
• M12: 3,191,970 km (0.077 R)
• M13: 5,036,362 km (0.117 R)
• M14: 5,369,068 km (0.08 R)
• M15: 8,119,873 km (0.092 R)
• M16: 8,732,925 km (0.044 R)
• M17: 10,166,073 km (0.117 R)
• M18: 12,201,202 km (0.049 R)
• M19: 14,419,140 km (0.119 R)
• M20: 16,487,929 km (0.118 R)
• M21: 17,971,940 km (0.094 R)
• M22: 19,632,327 km (0.119 R)
• M23: 26,630,964 km (0.088 R)
• M24: 28,320,373 km (0.073 R)
• M25: 29,960,265 km (0.117 R)
• M26: 33,685,252 km (0.078 R)
• M27: 37,015,899 km (0.084 R)
• M28: 38,126,364 km (0.09 R)
• M29: 38,689,899 km (0.114 R)
• M30: 41,888,451 km (0.119 R)
• M31: 45,890,643 km (0.074 R)
• M32: 51,841,945 km (0.109 R)
• M33: 52,707,070 km (0.096 R)
• M34: 55,180,671 km (0.089 R)
• M35: 56,446,119 km (0.108 R)
• M36: 60,931,213 km (0.057 R)
• M37: 62,282,829 km (0.099 R)
• M38: 64,646,027 km (0.111 R)
• M39: 67,889,010 km (0.09 R)
• M40: 68,716,436 km (0.102 R)
• M41: 69,550,444 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.3

Radius: 7.2

Gravity: 19.12 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.88 AU - 11.56 AU

Year: 20208 Days

Day: 15.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 86,661,123 km

• M1: 99,782 km (0.077 R)
• M2: 411,993 km (0.113 R)
• M3: 926,160 km (0.031 R)
• M4: 2,289,446 km (0.092 R)
• M5: 3,006,917 km (0.098 R)
• M6: 4,230,478 km (0.096 R)
• M7: 6,277,127 km (0.117 R)
• M8: 6,924,736 km (0.064 R)
• M9: 7,166,486 km (0.119 R)
• M10: 7,413,921 km (0.11 R)
• M11: 8,031,012 km (0.059 R)
• M12: 8,793,812 km (0.053 R)
• M13: 9,309,176 km (0.057 R)
• M14: 13,272,024 km (0.093 R)
• M15: 14,414,503 km (0.103 R)
• M16: 16,806,573 km (0.098 R)
• M17: 17,960,122 km (0.103 R)
• M18: 21,123,818 km (0.09 R)
• M19: 23,104,344 km (0.106 R)
• M20: 25,319,440 km (0.083 R)
• M21: 28,901,710 km (0.099 R)
• M22: 29,783,590 km (0.103 R)
• M23: 30,167,009 km (0.102 R)
• M24: 31,337,014 km (0.077 R)
• M25: 37,199,455 km (0.075 R)
• M26: 38,544,191 km (0.119 R)
• M27: 39,152,156 km (0.104 R)
• M28: 40,700,045 km (0.076 R)
• M29: 42,288,326 km (0.087 R)
• M30: 44,747,416 km (0.114 R)
• M31: 49,055,236 km (0.086 R)
• M32: 58,884,714 km (0.103 R)
• M33: 63,621,880 km (0.102 R)
• M34: 68,606,930 km (0.054 R)
• M35: 69,948,823 km (0.062 R)
• M36: 77,162,283 km (0.111 R)
• M37: 79,345,663 km (0.092 R)
• M38: 84,599,989 km (0.079 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: 230 - 19,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit