🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.5 AU - 0.72 AU

Year: 313 Days

Day: 43 Hours

Environment

Temp: -131 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.6

Radius: 11.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.59 AU - 0.89 AU

Year: 418 Days

Day: 8.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 30,952,169 km

• M1: 147,354 km (0.077 R)
• M2: 288,425 km (0.068 R)
• M3: 408,103 km (0.076 R)
• M4: 520,601 km (0.12 R)
• M5: 603,777 km (0.068 R)
• M6: 717,920 km (0.076 R)
• M7: 844,330 km (0.054 R)
• M8: 949,647 km (0.112 R)
• M9: 1,156,691 km (0.06 R)
• M10: 1,422,077 km (0.08 R)
• M11: 1,525,001 km (0.054 R)
• M12: 1,615,358 km (0.063 R)
• M13: 1,712,596 km (0.079 R)
• M14: 1,918,892 km (0.109 R)
• M15: 1,994,888 km (0.073 R)
• M16: 2,083,150 km (0.098 R)
• M17: 2,252,196 km (0.03 R)
• M18: 2,338,514 km (0.1 R)
• M19: 2,496,788 km (0.071 R)
• M20: 2,592,232 km (0.039 R)
• M21: 2,743,924 km (0.113 R)
• M22: 2,886,192 km (0.064 R)
• M23: 2,967,573 km (0.104 R)
• M24: 3,043,569 km (0.098 R)
• M25: 3,158,759 km (0.109 R)
• M26: 3,288,460 km (0.072 R)
• M27: 3,419,957 km (0.109 R)
• M28: 3,533,053 km (0.077 R)
• M29: 3,606,954 km (0.032 R)
• M30: 3,681,454 km (0.053 R)
• M31: 3,790,660 km (0.11 R)
• M32: 3,873,238 km (0.028 R)
• M33: 4,026,277 km (0.056 R)
• M34: 4,389,052 km (0.091 R)
• M35: 4,468,638 km (0.114 R)
• M36: 4,556,153 km (0.108 R)
• M37: 4,784,589 km (0.116 R)
• M38: 4,896,638 km (0.086 R)
• M39: 5,017,064 km (0.088 R)
• M40: 5,115,649 km (0.097 R)
• M41: 5,191,794 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.4

Radius: 13.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.61 AU - 0.97 AU

Year: 461 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 30,952,169 km

• M1: 170,691 km (0.091 R)
• M2: 296,353 km (0.09 R)
• M3: 416,630 km (0.05 R)
• M4: 507,436 km (0.035 R)
• M5: 614,997 km (0.071 R)
• M6: 717,920 km (0.096 R)
• M7: 807,081 km (0.1 R)
• M8: 916,137 km (0.113 R)
• M9: 1,014,423 km (0.081 R)
• M10: 1,157,439 km (0.065 R)
• M11: 1,251,087 km (0.059 R)
• M12: 1,336,507 km (0.109 R)
• M13: 1,442,722 km (0.095 R)
• M14: 1,529,040 km (0.073 R)
• M15: 1,675,795 km (0.037 R)
• M16: 1,819,260 km (0.078 R)
• M17: 2,059,514 km (0.088 R)
• M18: 2,144,934 km (0.111 R)
• M19: 2,240,228 km (0.074 R)
• M20: 2,475,994 km (0.041 R)
• M21: 2,608,388 km (0.061 R)
• M22: 2,781,024 km (0.045 R)
• M23: 2,871,232 km (0.115 R)
• M24: 2,957,550 km (0.056 R)
• M25: 3,123,155 km (0.119 R)
• M26: 3,226,976 km (0.078 R)
• M27: 3,397,517 km (0.09 R)
• M28: 3,504,480 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 10.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.82 AU - 1.34 AU

Year: 736 Days

Day: 5.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 30,952,169 km

• M1: 157,527 km (0.099 R)
• M2: 290,968 km (0.09 R)
• M3: 415,882 km (0.063 R)
• M4: 484,996 km (0.051 R)
• M5: 579,393 km (0.052 R)
• M6: 672,143 km (0.11 R)
• M7: 761,453 km (0.114 R)
• M8: 928,404 km (0.119 R)
• M9: 1,003,951 km (0.076 R)
• M10: 1,086,978 km (0.067 R)
• M11: 1,156,242 km (0.094 R)
• M12: 1,333,515 km (0.088 R)
• M13: 1,443,021 km (0.042 R)
• M14: 1,640,939 km (0.114 R)
• M15: 1,709,006 km (0.086 R)
• M16: 1,784,254 km (0.058 R)
• M17: 1,880,146 km (0.062 R)
• M18: 2,043,657 km (0.118 R)
• M19: 2,253,243 km (0.084 R)
• M20: 2,462,830 km (0.113 R)
• M21: 2,584,453 km (0.089 R)
• M22: 2,715,501 km (0.027 R)
• M23: 2,811,542 km (0.103 R)
• M24: 2,946,480 km (0.109 R)
• M25: 3,029,955 km (0.11 R)
• M26: 3,207,229 km (0.097 R)
• M27: 3,459,600 km (0.116 R)
• M28: 3,588,255 km (0.09 R)
• M29: 3,825,517 km (0.093 R)
• M30: 3,950,281 km (0.048 R)
• M31: 4,025,828 km (0.081 R)
• M32: 4,152,837 km (0.03 R)
• M33: 4,246,934 km (0.091 R)
• M34: 4,384,863 km (0.104 R)
• M35: 4,498,109 km (0.075 R)
• M36: 4,621,078 km (0.103 R)
• M37: 4,780,998 km (0.079 R)
• M38: 4,861,632 km (0.044 R)
• M39: 4,942,714 km (0.093 R)
• M40: 5,015,269 km (0.063 R)
• M41: 5,271,679 km (0.08 R)
• M42: 5,382,980 km (0.114 R)
• M43: 5,579,552 km (0.095 R)
• M44: 5,845,387 km (0.093 R)
• M45: 5,951,003 km (0.065 R)
• M46: 6,115,411 km (0.085 R)
• M47: 6,183,478 km (0.026 R)
• M48: 6,330,383 km (0.112 R)
• M49: 6,518,278 km (0.075 R)
• M50: 6,597,864 km (0.11 R)
• M51: 6,828,544 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.9

Radius: 12.1

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1 AU - 1.32 AU

Year: 820 Days

Day: 14.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 30,952,169 km

• M1: 160,369 km (0.075 R)
• M2: 246,238 km (0.085 R)
• M3: 372,648 km (0.046 R)
• M4: 464,501 km (0.117 R)
• M5: 606,470 km (0.101 R)
• M6: 775,366 km (0.102 R)
• M7: 890,257 km (0.093 R)
• M8: 999,613 km (0.102 R)
• M9: 1,158,636 km (0.11 R)
• M10: 1,361,041 km (0.111 R)
• M11: 1,507,199 km (0.04 R)
• M12: 1,612,216 km (0.094 R)
• M13: 1,734,139 km (0.116 R)
• M14: 1,883,736 km (0.063 R)
• M15: 1,967,661 km (0.076 R)
• M16: 2,129,077 km (0.091 R)
• M17: 2,331,932 km (0.116 R)
• M18: 2,411,817 km (0.107 R)
• M19: 2,508,756 km (0.089 R)
• M20: 2,585,051 km (0.099 R)
• M21: 2,751,404 km (0.092 R)
• M22: 2,961,589 km (0.083 R)
• M23: 3,048,356 km (0.084 R)
• M24: 3,236,251 km (0.084 R)
• M25: 3,313,742 km (0.116 R)
• M26: 3,397,816 km (0.102 R)
• M27: 3,673,226 km (0.118 R)
• M28: 4,311,261 km (0.116 R)
• M29: 4,409,996 km (0.103 R)
• M30: 4,629,905 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.5

Radius: 8.3

Gravity: 11.97 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.89 AU - 2.61 AU

Year: 2214 Days

Day: 9.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 30,952,169 km

• M1: 159,621 km (0.115 R)
• M2: 229,932 km (0.098 R)
• M3: 417,827 km (0.082 R)
• M4: 621,130 km (0.067 R)
• M5: 681,269 km (0.098 R)
• M6: 734,675 km (0.117 R)
• M7: 798,853 km (0.059 R)
• M8: 962,961 km (0.089 R)
• M9: 1,064,838 km (0.075 R)
• M10: 1,202,916 km (0.044 R)
• M11: 1,279,810 km (0.088 R)
• M12: 1,825,692 km (0.103 R)
• M13: 2,018,075 km (0.101 R)
• M14: 2,163,484 km (0.112 R)
• M15: 2,408,975 km (0.085 R)
• M16: 2,535,086 km (0.062 R)
• M17: 2,750,207 km (0.1 R)
• M18: 3,001,232 km (0.105 R)
• M19: 3,182,994 km (0.116 R)
• M20: 3,259,887 km (0.103 R)
• M21: 3,478,150 km (0.118 R)
• M22: 3,557,288 km (0.098 R)
• M23: 3,749,820 km (0.076 R)
• M24: 3,912,882 km (0.113 R)
• M25: 4,467,441 km (0.06 R)
• M26: 4,727,592 km (0.047 R)
• M27: 4,868,513 km (0.065 R)
• M28: 4,957,225 km (0.099 R)
• M29: 5,612,015 km (0.088 R)
• M30: 5,686,365 km (0.049 R)
• M31: 5,798,713 km (0.09 R)
• M32: 6,063,650 km (0.055 R)
• M33: 6,981,583 km (0.091 R)
• M34: 7,182,493 km (0.095 R)
• M35: 7,263,425 km (0.101 R)
• M36: 7,385,348 km (0.102 R)
• M37: 7,672,576 km (0.095 R)
• M38: 7,817,536 km (0.073 R)
• M39: 7,942,450 km (0.104 R)
• M40: 8,427,746 km (0.111 R)
• M41: 8,663,213 km (0.096 R)
• M42: 8,857,540 km (0.102 R)
• M43: 9,316,507 km (0.102 R)
• M44: 9,537,762 km (0.074 R)
• M45: 9,828,131 km (0.092 R)
• M46: 10,234,888 km (0.108 R)
• M47: 10,463,174 km (0.078 R)
• M48: 10,647,030 km (0.07 R)
• M49: 10,716,294 km (0.111 R)
• M50: 10,808,895 km (0.039 R)
• M51: 11,299,127 km (0.089 R)
• M52: 11,440,647 km (0.116 R)
• M53: 11,677,610 km (0.115 R)
• M54: 11,820,625 km (0.091 R)
• M55: 12,398,372 km (0.114 R)
• M56: 12,617,384 km (0.108 R)
• M57: 12,715,221 km (0.093 R)
• M58: 13,307,030 km (0.097 R)
• M59: 13,381,679 km (0.061 R)
• M60: 13,556,409 km (0.103 R)
• M61: 14,084,939 km (0.079 R)
• M62: 14,287,943 km (0.117 R)
• M63: 14,389,969 km (0.119 R)
• M64: 14,492,144 km (0.119 R)
• M65: 14,568,888 km (0.086 R)
• M66: 16,132,934 km (0.072 R)
• M67: 16,238,998 km (0.067 R)
• M68: 16,746,434 km (0.044 R)
• M69: 16,988,633 km (0.08 R)
• M70: 17,232,029 km (0.075 R)
• M71: 17,340,488 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.9

Radius: 7.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.03 AU - 10.11 AU

Year: 19421 Days

Day: 15.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 30,952,169 km

• M1: 126,410 km (0.063 R)
• M2: 191,485 km (0.119 R)
• M3: 310,416 km (0.039 R)
• M4: 425,456 km (0.098 R)
• M5: 882,777 km (0.041 R)
• M6: 1,155,793 km (0.049 R)
• M7: 1,570,778 km (0.093 R)
• M8: 1,638,545 km (0.081 R)
• M9: 2,253,991 km (0.103 R)
• M10: 3,060,772 km (0.108 R)
• M11: 3,167,436 km (0.044 R)
• M12: 3,450,624 km (0.066 R)
• M13: 3,651,534 km (0.113 R)
• M14: 3,810,407 km (0.078 R)
• M15: 3,971,674 km (0.037 R)
• M16: 4,253,217 km (0.048 R)
• M17: 4,492,873 km (0.092 R)
• M18: 4,541,343 km (0.077 R)
• M19: 4,712,333 km (0.054 R)
• M20: 5,111,161 km (0.118 R)
• M21: 5,914,651 km (0.03 R)
• M22: 6,453,652 km (0.049 R)
• M23: 7,177,855 km (0.117 R)
• M24: 7,262,977 km (0.05 R)
• M25: 8,520,945 km (0.091 R)
• M26: 8,701,809 km (0.103 R)
• M27: 9,036,759 km (0.118 R)
• M28: 9,437,980 km (0.055 R)
• M29: 9,531,329 km (0.104 R)
• M30: 9,876,601 km (0.045 R)
• M31: 11,067,400 km (0.047 R)
• M32: 11,830,349 km (0.111 R)
• M33: 11,964,838 km (0.113 R)
• M34: 12,439,362 km (0.088 R)
• M35: 13,441,668 km (0.113 R)
• M36: 14,005,652 km (0.066 R)
• M37: 14,362,144 km (0.119 R)
• M38: 15,229,961 km (0.046 R)
• M39: 16,114,533 km (0.092 R)
• M40: 16,226,283 km (0.103 R)
• M41: 16,600,577 km (0.086 R)
• M42: 16,713,523 km (0.11 R)
• M43: 17,129,555 km (0.04 R)
• M44: 17,205,550 km (0.074 R)
• M45: 21,596,248 km (0.097 R)
• M46: 23,216,542 km (0.105 R)
• M47: 24,660,760 km (0.115 R)
• M48: 25,871,905 km (0.08 R)
• M49: 26,352,862 km (0.07 R)
• M50: 26,572,621 km (0.045 R)
• M51: 27,635,364 km (0.082 R)
• M52: 28,757,049 km (0.078 R)
• M53: 29,619,481 km (0.088 R)
• M54: 29,893,544 km (0.045 R)
• M55: 30,214,432 km (0.111 R)
• M56: 30,444,363 km (0.107 R)
• M57: 30,628,668 km (0.084 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 18,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit