🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.6

Radius: 9.9

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.5 AU - 0.6 AU

Year: 282 Days

Day: 6.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,294,635 km

• M1: 123,119 km (0.025 R)
• M2: 447,298 km (0.097 R)
• M3: 780,901 km (0.104 R)
• M4: 1,321,697 km (0.06 R)
• M5: 1,876,406 km (0.103 R)
• M6: 2,440,390 km (0.12 R)
• M7: 2,809,897 km (0.045 R)
• M8: 3,175,364 km (0.072 R)
• M9: 3,777,645 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.3

Radius: 15

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.65 AU - 0.71 AU

Year: 387 Days

Day: 9.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,294,635 km

• M1: 186,549 km (0.079 R)
• M2: 661,073 km (0.063 R)
• M3: 1,137,393 km (0.092 R)
• M4: 1,652,009 km (0.109 R)
• M5: 2,607,192 km (0.115 R)
• M6: 3,983,193 km (0.116 R)
• M7: 4,789,376 km (0.1 R)
• M8: 5,270,931 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.1

Radius: 10.7

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.1 AU - 1.64 AU

Year: 1107 Days

Day: 9 Hours

Environment

Temp: -181 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,294,635 km

• M1: 133,142 km (0.114 R)
• M2: 493,523 km (0.089 R)
• M3: 1,024,446 km (0.109 R)
• M4: 1,446,611 km (0.067 R)
• M5: 2,086,292 km (0.067 R)
• M6: 2,531,196 km (0.103 R)
• M7: 2,960,841 km (0.11 R)
• M8: 3,652,133 km (0.04 R)
• M9: 4,063,976 km (0.04 R)
• M10: 4,701,711 km (0.115 R)
• M11: 5,817,562 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630.7

Radius: 11.8

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.46 AU - 2.62 AU

Year: 2794 Days

Day: 12.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,294,635 km

• M1: 146,756 km (0.049 R)
• M2: 585,676 km (0.082 R)
• M3: 1,266,944 km (0.064 R)
• M4: 1,741,768 km (0.05 R)
• M5: 2,280,470 km (0.113 R)
• M6: 3,025,916 km (0.034 R)
• M7: 4,026,726 km (0.087 R)
• M8: 5,333,014 km (0.074 R)
• M9: 5,834,467 km (0.103 R)
• M10: 6,533,537 km (0.073 R)
• M11: 7,078,971 km (0.115 R)
• M12: 8,360,127 km (0.09 R)
• M13: 9,249,188 km (0.1 R)
• M14: 11,336,676 km (0.077 R)
• M15: 12,730,330 km (0.07 R)
• M16: 14,473,145 km (0.112 R)
• M17: 14,957,094 km (0.101 R)
• M18: 16,948,691 km (0.113 R)
• M19: 18,147,119 km (0.049 R)
• M20: 18,938,642 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839

Radius: 3.8

Gravity: 58.1 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.28 AU - 8.34 AU

Year: 12267 Days

Day: 15.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,294,635 km

• M1: 47,423 km (0.076 R)
• M2: 311,014 km (0.1 R)
• M3: 489,335 km (0.07 R)
• M4: 647,310 km (0.09 R)
• M5: 828,922 km (0.043 R)
• M6: 1,079,349 km (0.106 R)
• M7: 1,450,052 km (0.03 R)
• M8: 2,458,641 km (0.103 R)
• M9: 2,696,651 km (0.115 R)
• M10: 3,611,592 km (0.095 R)
• M11: 4,124,114 km (0.1 R)
• M12: 4,491,676 km (0.096 R)
• M13: 4,748,685 km (0.111 R)
• M14: 5,651,808 km (0.118 R)
• M15: 6,955,703 km (0.114 R)
• M16: 7,126,394 km (0.12 R)
• M17: 8,839,140 km (0.078 R)
• M18: 9,553,021 km (0.093 R)
• M19: 10,979,437 km (0.09 R)
• M20: 12,107,404 km (0.07 R)
• M21: 12,416,623 km (0.076 R)
• M22: 12,667,798 km (0.067 R)
• M23: 14,941,087 km (0.027 R)
• M24: 18,838,860 km (0.066 R)
• M25: 19,253,994 km (0.118 R)
• M26: 21,873,602 km (0.103 R)
• M27: 24,328,204 km (0.117 R)
• M28: 28,452,917 km (0.117 R)
• M29: 29,441,160 km (0.077 R)
• M30: 32,542,922 km (0.035 R)
• M31: 34,727,500 km (0.111 R)
• M32: 49,445,537 km (0.099 R)
• M33: 53,309,800 km (0.097 R)
• M34: 56,508,052 km (0.083 R)
• M35: 57,370,484 km (0.105 R)
• M36: 58,241,742 km (0.109 R)
• M37: 58,768,626 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.4

Radius: 4.2

Gravity: 40.22 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.36 AU - 10 AU

Year: 16149 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,294,635 km

• M1: 53,855 km (0.061 R)
• M2: 198,816 km (0.113 R)
• M3: 346,469 km (0.116 R)
• M4: 531,671 km (0.09 R)
• M5: 715,078 km (0.074 R)
• M6: 962,812 km (0.119 R)
• M7: 1,350,570 km (0.12 R)
• M8: 1,645,577 km (0.081 R)
• M9: 2,176,948 km (0.109 R)
• M10: 2,604,948 km (0.06 R)
• M11: 2,814,983 km (0.117 R)
• M12: 3,295,641 km (0.1 R)
• M13: 3,430,728 km (0.117 R)
• M14: 3,654,676 km (0.074 R)
• M15: 5,100,539 km (0.07 R)
• M16: 5,850,922 km (0.098 R)
• M17: 6,672,364 km (0.055 R)
• M18: 8,952,086 km (0.08 R)
• M19: 10,095,014 km (0.1 R)
• M20: 10,672,162 km (0.119 R)
• M21: 11,828,554 km (0.108 R)
• M22: 15,416,210 km (0.066 R)
• M23: 18,709,757 km (0.032 R)
• M24: 21,490,632 km (0.102 R)
• M25: 21,868,366 km (0.027 R)
• M26: 23,823,910 km (0.098 R)
• M27: 30,266,043 km (0.102 R)
• M28: 34,717,028 km (0.073 R)
• M29: 36,828,153 km (0.113 R)
• M30: 42,624,921 km (0.04 R)
• M31: 43,671,658 km (0.099 R)
• M32: 45,505,877 km (0.052 R)
• M33: 53,184,736 km (0.118 R)
• M34: 60,176,940 km (0.053 R)
• M35: 61,873,081 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.7

Radius: 3.4

Gravity: 17.36 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 6.66 AU - 10.36 AU

Year: 17136 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,294,635 km

• M1: 42,635 km (0.083 R)
• M2: 178,321 km (0.108 R)
• M3: 753,973 km (0.066 R)
• M4: 861,385 km (0.118 R)
• M5: 1,130,362 km (0.092 R)
• M6: 1,562,849 km (0.078 R)
• M7: 1,928,915 km (0.031 R)
• M8: 2,149,572 km (0.101 R)
• M9: 2,806,905 km (0.029 R)
• M10: 3,638,370 km (0.059 R)
• M11: 4,954,532 km (0.113 R)
• M12: 5,400,782 km (0.03 R)
• M13: 7,415,267 km (0.065 R)
• M14: 9,021,200 km (0.089 R)
• M15: 12,841,332 km (0.049 R)
• M16: 16,830,658 km (0.114 R)
• M17: 18,951,357 km (0.095 R)
• M18: 20,916,774 km (0.074 R)
• M19: 24,157,962 km (0.059 R)
• M20: 24,427,238 km (0.071 R)
• M21: 24,607,803 km (0.119 R)
• M22: 26,368,420 km (0.09 R)
• M23: 26,941,529 km (0.114 R)
• M24: 27,328,090 km (0.111 R)
• M25: 28,013,398 km (0.043 R)
• M26: 29,622,922 km (0.103 R)
• M27: 32,585,857 km (0.025 R)
• M28: 33,024,628 km (0.025 R)
• M29: 33,245,584 km (0.119 R)
• M30: 34,705,210 km (0.086 R)
• M31: 35,856,665 km (0.082 R)
• M32: 40,717,698 km (0.094 R)
• M33: 45,588,605 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.4

Radius: 3.6

Gravity: 26.96 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.37 AU - 8.81 AU

Year: 17378 Days

Day: 16 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 65,294,635 km

• M1: 44,730 km (0.072 R)
• M2: 172,038 km (0.089 R)
• M3: 321,336 km (0.034 R)
• M4: 436,227 km (0.084 R)
• M5: 641,775 km (0.044 R)
• M6: 878,289 km (0.063 R)
• M7: 1,028,186 km (0.116 R)
• M8: 1,157,888 km (0.055 R)
• M9: 1,298,510 km (0.087 R)
• M10: 1,421,928 km (0.096 R)
• M11: 1,724,714 km (0.061 R)
• M12: 1,891,515 km (0.106 R)
• M13: 2,846,548 km (0.048 R)
• M14: 3,055,985 km (0.09 R)
• M15: 3,351,142 km (0.062 R)
• M16: 4,660,871 km (0.098 R)
• M17: 5,714,489 km (0.041 R)
• M18: 6,238,680 km (0.088 R)
• M19: 7,556,039 km (0.103 R)
• M20: 8,186,743 km (0.102 R)
• M21: 9,915,496 km (0.055 R)
• M22: 10,505,510 km (0.093 R)
• M23: 11,579,025 km (0.114 R)
• M24: 11,814,043 km (0.085 R)
• M25: 11,992,364 km (0.071 R)
• M26: 12,476,612 km (0.087 R)
• M27: 14,749,602 km (0.115 R)
• M28: 15,446,429 km (0.069 R)
• M29: 19,180,242 km (0.094 R)
• M30: 19,758,288 km (0.1 R)
• M31: 20,348,003 km (0.06 R)
• M32: 21,828,872 km (0.108 R)
• M33: 22,007,642 km (0.067 R)
• M34: 23,008,601 km (0.051 R)
• M35: 24,614,534 km (0.056 R)
• M36: 25,395,435 km (0.052 R)
• M37: 28,471,317 km (0.084 R)
• M38: 35,472,946 km (0.115 R)
• M39: 37,610,700 km (0.06 R)
• M40: 42,836,004 km (0.071 R)
• M41: 49,750,717 km (0.094 R)
• M42: 51,312,070 km (0.048 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 495.2

Radius: 6

Gravity: 13.76 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.37 AU - 10.67 AU

Year: 18699 Days

Day: 22 Hours

Environment

Temp: -243 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,294,635 km

• M1: 76,445 km (0.105 R)
• M2: 341,831 km (0.106 R)
• M3: 797,805 km (0.103 R)
• M4: 1,022,053 km (0.074 R)
• M5: 1,234,182 km (0.054 R)
• M6: 1,491,042 km (0.077 R)
• M7: 2,113,070 km (0.078 R)
• M8: 2,615,420 km (0.059 R)
• M9: 3,117,470 km (0.085 R)
• M10: 5,152,300 km (0.109 R)
• M11: 6,097,460 km (0.078 R)
• M12: 6,717,094 km (0.102 R)
• M13: 8,276,203 km (0.051 R)
• M14: 9,244,999 km (0.054 R)
• M15: 9,839,501 km (0.048 R)
• M16: 11,837,829 km (0.114 R)
• M17: 17,091,706 km (0.115 R)
• M18: 20,854,542 km (0.119 R)
• M19: 23,319,017 km (0.092 R)
• M20: 23,615,370 km (0.086 R)
• M21: 25,238,358 km (0.08 R)
• M22: 27,479,334 km (0.066 R)
• M23: 29,159,019 km (0.094 R)
• M24: 34,351,561 km (0.092 R)
• M25: 35,251,242 km (0.111 R)
• M26: 35,903,489 km (0.114 R)
• M27: 36,829,949 km (0.101 R)
• M28: 39,986,613 km (0.075 R)
• M29: 41,558,139 km (0.073 R)
• M30: 48,256,832 km (0.037 R)
• M31: 53,728,374 km (0.068 R)
• M32: 59,783,498 km (0.108 R)
• M33: 62,974,720 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 12,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit