🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.51 AU - 0.57 AU

Year: 256 Days

Day: 21.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.61 AU - 0.71 AU

Year: 346 Days

Day: 19.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,956,132 km

• M1: 658,979 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.3

Radius: 8.2

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.6 AU - 0.9 AU

Year: 419 Days

Day: 14.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,956,132 km

• M1: 110,852 km (0.117 R)
• M2: 163,211 km (0.086 R)
• M3: 265,387 km (0.116 R)
• M4: 347,366 km (0.085 R)
• M5: 441,463 km (0.082 R)
• M6: 525,089 km (0.111 R)
• M7: 590,014 km (0.098 R)
• M8: 646,861 km (0.11 R)
• M9: 843,882 km (0.037 R)
• M10: 978,220 km (0.039 R)
• M11: 1,038,359 km (0.032 R)
• M12: 1,104,182 km (0.064 R)
• M13: 1,180,626 km (0.043 R)
• M14: 1,391,709 km (0.109 R)
• M15: 1,492,089 km (0.083 R)
• M16: 1,597,406 km (0.095 R)
• M17: 1,749,547 km (0.083 R)
• M18: 1,818,063 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.2

Radius: 11.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.78 AU - 0.8 AU

Year: 453 Days

Day: 13 Hours

Environment

Temp: -138 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 51,956,132 km

• M1: 140,323 km (0.117 R)
• M2: 219,011 km (0.117 R)
• M3: 292,314 km (0.049 R)
• M4: 395,238 km (0.115 R)
• M5: 514,467 km (0.085 R)
• M6: 590,762 km (0.072 R)
• M7: 711,487 km (0.103 R)
• M8: 828,623 km (0.055 R)
• M9: 930,050 km (0.091 R)
• M10: 1,021,903 km (0.046 R)
• M11: 1,275,920 km (0.071 R)
• M12: 1,395,000 km (0.036 R)
• M13: 1,512,584 km (0.117 R)
• M14: 1,644,679 km (0.094 R)
• M15: 1,740,721 km (0.073 R)
• M16: 1,968,259 km (0.082 R)
• M17: 2,046,349 km (0.069 R)
• M18: 2,168,571 km (0.101 R)
• M19: 2,261,920 km (0.103 R)
• M20: 2,439,792 km (0.081 R)
• M21: 2,556,628 km (0.09 R)
• M22: 2,742,279 km (0.055 R)
• M23: 2,843,556 km (0.107 R)
• M24: 2,918,654 km (0.104 R)
• M25: 3,029,058 km (0.1 R)
• M26: 3,176,112 km (0.048 R)
• M27: 3,390,486 km (0.086 R)
• M28: 3,470,222 km (0.096 R)
• M29: 3,565,366 km (0.032 R)
• M30: 3,683,698 km (0.072 R)
• M31: 3,758,198 km (0.09 R)
• M32: 3,848,555 km (0.067 R)
• M33: 3,954,620 km (0.066 R)
• M34: 4,100,328 km (0.046 R)
• M35: 4,177,820 km (0.09 R)
• M36: 4,310,513 km (0.026 R)
• M37: 4,508,281 km (0.066 R)
• M38: 4,628,409 km (0.096 R)
• M39: 4,717,270 km (0.029 R)
• M40: 4,798,501 km (0.118 R)
• M41: 5,144,671 km (0.09 R)
• M42: 5,363,233 km (0.105 R)
• M43: 5,473,636 km (0.079 R)
• M44: 5,593,315 km (0.102 R)
• M45: 5,696,687 km (0.109 R)
• M46: 5,783,304 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 11.4

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.9 AU - 1.11 AU

Year: 646 Days

Day: 11.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,956,132 km

• M1: 141,819 km (0.089 R)
• M2: 214,972 km (0.099 R)
• M3: 286,330 km (0.112 R)
• M4: 368,011 km (0.11 R)
• M5: 508,782 km (0.069 R)
• M6: 585,825 km (0.077 R)
• M7: 664,813 km (0.034 R)
• M8: 809,773 km (0.092 R)
• M9: 979,567 km (0.094 R)
• M10: 1,108,071 km (0.085 R)
• M11: 1,183,618 km (0.084 R)
• M12: 1,328,728 km (0.084 R)
• M13: 1,421,329 km (0.111 R)
• M14: 1,596,658 km (0.118 R)
• M15: 1,682,976 km (0.114 R)
• M16: 1,804,898 km (0.118 R)
• M17: 1,886,429 km (0.032 R)
• M18: 1,991,297 km (0.119 R)
• M19: 2,129,675 km (0.113 R)
• M20: 2,252,944 km (0.1 R)
• M21: 2,345,844 km (0.088 R)
• M22: 2,421,092 km (0.116 R)
• M23: 2,607,940 km (0.112 R)
• M24: 2,681,093 km (0.073 R)
• M25: 2,960,542 km (0.105 R)
• M26: 3,244,329 km (0.091 R)
• M27: 3,333,789 km (0.117 R)
• M28: 3,536,942 km (0.054 R)
• M29: 3,689,233 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.8

Radius: 8.6

Gravity: 10.29 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.77 AU - 2.03 AU

Year: 1691 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 51,956,132 km

• M1: 108,309 km (0.118 R)
• M2: 193,280 km (0.093 R)
• M3: 285,732 km (0.117 R)
• M4: 513,869 km (0.094 R)
• M5: 605,123 km (0.05 R)
• M6: 733,478 km (0.082 R)
• M7: 846,275 km (0.091 R)
• M8: 1,000,211 km (0.1 R)
• M9: 1,126,322 km (0.095 R)
• M10: 1,200,972 km (0.107 R)
• M11: 1,257,968 km (0.108 R)
• M12: 1,414,897 km (0.109 R)
• M13: 1,475,334 km (0.1 R)
• M14: 1,968,409 km (0.092 R)
• M15: 2,139,848 km (0.055 R)
• M16: 2,198,191 km (0.102 R)
• M17: 2,436,501 km (0.111 R)
• M18: 2,608,388 km (0.107 R)
• M19: 2,683,337 km (0.101 R)
• M20: 3,095,180 km (0.095 R)
• M21: 3,214,559 km (0.06 R)
• M22: 3,335,584 km (0.082 R)
• M23: 3,416,965 km (0.065 R)
• M24: 3,499,244 km (0.043 R)
• M25: 3,595,884 km (0.104 R)
• M26: 3,820,430 km (0.106 R)
• M27: 4,049,465 km (0.067 R)
• M28: 4,356,888 km (0.075 R)
• M29: 4,778,754 km (0.031 R)
• M30: 4,855,498 km (0.063 R)
• M31: 5,072,415 km (0.101 R)
• M32: 5,213,635 km (0.078 R)
• M33: 5,276,766 km (0.105 R)
• M34: 5,356,202 km (0.076 R)
• M35: 5,451,945 km (0.114 R)
• M36: 5,580,449 km (0.069 R)
• M37: 5,693,695 km (0.043 R)
• M38: 5,824,144 km (0.087 R)
• M39: 5,889,668 km (0.107 R)
• M40: 5,955,641 km (0.098 R)
• M41: 6,021,613 km (0.076 R)
• M42: 6,406,379 km (0.109 R)
• M43: 6,610,281 km (0.115 R)
• M44: 7,112,032 km (0.112 R)
• M45: 7,429,629 km (0.032 R)
• M46: 7,769,964 km (0.09 R)
• M47: 7,969,228 km (0.039 R)
• M48: 8,151,887 km (0.085 R)
• M49: 8,280,691 km (0.052 R)
• M50: 8,447,193 km (0.101 R)
• M51: 8,689,542 km (0.117 R)
• M52: 9,048,128 km (0.095 R)
• M53: 9,124,124 km (0.102 R)
• M54: 9,411,501 km (0.067 R)
• M55: 9,507,842 km (0.088 R)
• M56: 10,112,966 km (0.076 R)
• M57: 10,211,850 km (0.097 R)
• M58: 10,569,987 km (0.09 R)
• M59: 10,912,267 km (0.115 R)
• M60: 11,401,452 km (0.032 R)
• M61: 11,483,731 km (0.092 R)
• M62: 11,566,159 km (0.035 R)
• M63: 11,773,053 km (0.025 R)
• M64: 11,897,818 km (0.055 R)
• M65: 12,719,559 km (0.067 R)
• M66: 12,869,007 km (0.112 R)
• M67: 13,148,007 km (0.096 R)
• M68: 14,195,791 km (0.103 R)
• M69: 14,284,203 km (0.115 R)
• M70: 14,395,205 km (0.096 R)
• M71: 14,774,435 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.8

Radius: 8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.85 AU - 5.15 AU

Year: 6164 Days

Day: 10.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 51,956,132 km

• M1: 118,482 km (0.118 R)
• M2: 192,832 km (0.11 R)
• M3: 257,907 km (0.105 R)
• M4: 348,264 km (0.081 R)
• M5: 529,427 km (0.073 R)
• M6: 631,602 km (0.089 R)
• M7: 771,626 km (0.094 R)
• M8: 1,001,408 km (0.068 R)
• M9: 1,094,608 km (0.087 R)
• M10: 1,302,698 km (0.025 R)
• M11: 1,379,292 km (0.116 R)
• M12: 1,714,541 km (0.069 R)
• M13: 1,927,718 km (0.096 R)
• M14: 2,089,733 km (0.096 R)
• M15: 2,317,720 km (0.094 R)
• M16: 2,797,779 km (0.107 R)
• M17: 2,897,561 km (0.087 R)
• M18: 3,134,823 km (0.037 R)
• M19: 3,221,141 km (0.109 R)
• M20: 3,325,860 km (0.112 R)
• M21: 3,431,626 km (0.09 R)
• M22: 3,682,800 km (0.108 R)
• M23: 3,977,209 km (0.036 R)
• M24: 4,241,100 km (0.083 R)
• M25: 4,375,289 km (0.075 R)
• M26: 4,549,720 km (0.084 R)
• M27: 5,518,815 km (0.068 R)
• M28: 5,581,497 km (0.067 R)
• M29: 5,770,887 km (0.097 R)
• M30: 5,983,765 km (0.106 R)
• M31: 6,439,291 km (0.101 R)
• M32: 6,549,395 km (0.116 R)
• M33: 7,269,110 km (0.054 R)
• M34: 7,406,740 km (0.076 R)
• M35: 7,638,318 km (0.101 R)
• M36: 7,801,679 km (0.092 R)
• M37: 7,872,139 km (0.088 R)
• M38: 7,942,749 km (0.104 R)
• M39: 8,394,984 km (0.116 R)
• M40: 8,563,730 km (0.097 R)
• M41: 9,150,752 km (0.03 R)
• M42: 9,224,953 km (0.094 R)
• M43: 9,599,396 km (0.028 R)
• M44: 9,674,943 km (0.075 R)
• M45: 10,157,695 km (0.097 R)
• M46: 10,209,007 km (0.067 R)
• M47: 10,363,243 km (0.101 R)
• M48: 10,883,395 km (0.046 R)
• M49: 11,305,560 km (0.073 R)
• M50: 11,679,405 km (0.069 R)
• M51: 11,733,111 km (0.081 R)
• M52: 12,302,330 km (0.089 R)
• M53: 12,439,213 km (0.067 R)
• M54: 12,714,323 km (0.091 R)
• M55: 12,797,350 km (0.111 R)
• M56: 12,963,852 km (0.081 R)
• M57: 13,158,928 km (0.072 R)
• M58: 13,242,852 km (0.099 R)
• M59: 13,326,926 km (0.069 R)
• M60: 13,580,345 km (0.058 R)
• M61: 13,693,441 km (0.058 R)
• M62: 13,863,683 km (0.053 R)
• M63: 14,120,393 km (0.12 R)
• M64: 14,235,135 km (0.04 R)
• M65: 15,545,612 km (0.086 R)
• M66: 16,410,587 km (0.054 R)
• M67: 17,505,943 km (0.069 R)
• M68: 18,155,646 km (0.061 R)
• M69: 18,593,220 km (0.06 R)
• M70: 19,256,088 km (0.064 R)
• M71: 19,415,111 km (0.087 R)
• M72: 19,862,558 km (0.038 R)
• M73: 20,023,226 km (0.104 R)
• M74: 20,832,850 km (0.094 R)
• M75: 21,126,959 km (0.088 R)
• M76: 21,818,550 km (0.069 R)
• M77: 21,984,305 km (0.114 R)
• M78: 22,250,290 km (0.101 R)

Asteroid Belt

Center: 5.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 537.9

Radius: 5.2

Gravity: 19.89 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.42 AU - 8.18 AU

Year: 12735 Days

Day: 23.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 124.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 51,956,132 km

• M1: 77,791 km (0.08 R)
• M2: 116,537 km (0.081 R)
• M3: 347,965 km (0.033 R)
• M4: 733,927 km (0.043 R)
• M5: 885,171 km (0.066 R)
• M6: 964,607 km (0.102 R)
• M7: 1,283,101 km (0.101 R)
• M8: 2,168,122 km (0.085 R)
• M9: 2,385,488 km (0.12 R)
• M10: 2,496,938 km (0.118 R)
• M11: 2,870,783 km (0.09 R)
• M12: 3,479,497 km (0.067 R)
• M13: 3,669,785 km (0.107 R)
• M14: 3,863,515 km (0.112 R)
• M15: 4,060,535 km (0.097 R)
• M16: 4,916,384 km (0.046 R)
• M17: 5,639,840 km (0.066 R)
• M18: 5,676,940 km (0.082 R)
• M19: 6,203,973 km (0.111 R)
• M20: 6,825,403 km (0.066 R)
• M21: 7,304,415 km (0.11 R)
• M22: 8,210,530 km (0.077 R)
• M23: 8,252,567 km (0.053 R)
• M24: 8,506,135 km (0.118 R)
• M25: 8,891,499 km (0.102 R)
• M26: 9,021,200 km (0.066 R)
• M27: 9,064,584 km (0.071 R)
• M28: 9,238,716 km (0.072 R)
• M29: 10,397,650 km (0.092 R)
• M30: 11,460,543 km (0.109 R)
• M31: 11,648,887 km (0.103 R)
• M32: 12,316,243 km (0.12 R)
• M33: 12,849,260 km (0.038 R)
• M34: 12,898,029 km (0.092 R)
• M35: 13,044,934 km (0.071 R)
• M36: 14,340,601 km (0.101 R)
• M37: 14,543,606 km (0.115 R)
• M38: 14,747,508 km (0.101 R)
• M39: 15,209,915 km (0.04 R)
• M40: 16,306,916 km (0.116 R)
• M41: 16,412,831 km (0.115 R)
• M42: 17,052,362 km (0.09 R)
• M43: 17,863,482 km (0.09 R)
• M44: 18,246,153 km (0.115 R)
• M45: 18,964,223 km (0.093 R)
• M46: 19,131,174 km (0.101 R)
• M47: 19,298,724 km (0.057 R)
• M48: 20,257,048 km (0.118 R)
• M49: 20,541,882 km (0.101 R)
• M50: 21,694,234 km (0.067 R)
• M51: 22,454,491 km (0.105 R)
• M52: 22,631,166 km (0.056 R)
• M53: 22,867,381 km (0.111 R)
• M54: 23,342,504 km (0.092 R)
• M55: 23,402,044 km (0.091 R)
• M56: 23,940,895 km (0.063 R)
• M57: 24,787,021 km (0.103 R)
• M58: 26,136,543 km (0.077 R)
• M59: 26,322,344 km (0.093 R)
• M60: 26,570,826 km (0.094 R)
• M61: 26,945,120 km (0.105 R)
• M62: 27,195,547 km (0.081 R)
• M63: 28,650,386 km (0.088 R)
• M64: 28,778,142 km (0.101 R)
• M65: 31,109,027 km (0.036 R)
• M66: 31,767,257 km (0.106 R)
• M67: 31,833,380 km (0.057 R)
• M68: 32,829,851 km (0.075 R)
• M69: 33,365,561 km (0.107 R)
• M70: 34,242,055 km (0.119 R)
• M71: 34,513,426 km (0.114 R)
• M72: 34,581,343 km (0.082 R)
• M73: 34,717,327 km (0.103 R)
• M74: 35,194,545 km (0.103 R)
• M75: 35,605,490 km (0.086 R)
• M76: 36,778,188 km (0.095 R)
• M77: 37,473,967 km (0.111 R)
• M78: 37,683,554 km (0.066 R)
• M79: 38,244,396 km (0.111 R)
• M80: 38,525,790 km (0.096 R)
• M81: 39,090,672 km (0.077 R)
• M82: 39,871,872 km (0.108 R)
• M83: 39,943,230 km (0.026 R)
• M84: 41,233,362 km (0.101 R)
• M85: 42,173,585 km (0.073 R)
• M86: 42,464,403 km (0.104 R)
• M87: 43,413,900 km (0.115 R)
• M88: 43,633,959 km (0.05 R)
• M89: 43,781,014 km (0.087 R)
• M90: 43,928,068 km (0.105 R)
• M91: 44,814,137 km (0.085 R)
• M92: 47,810,133 km (0.114 R)
• M93: 49,408,886 km (0.114 R)
• M94: 50,407,152 km (0.112 R)
• M95: 50,561,388 km (0.112 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: 303 - 12,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit