🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.41 AU - 0.61 AU

Year: 239 Days

Day: 20.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 14.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.62 AU - 0.72 AU

Year: 360 Days

Day: 16.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 25 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.4

Radius: 11.7

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.74 AU - 1.22 AU

Year: 636 Days

Day: 9 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 77,943,400 km

• M1: 156,479 km (0.091 R)
• M2: 316,399 km (0.107 R)
• M3: 427,102 km (0.116 R)
• M4: 665,112 km (0.066 R)
• M5: 778,956 km (0.067 R)
• M6: 853,905 km (0.087 R)
• M7: 936,782 km (0.108 R)
• M8: 1,039,107 km (0.047 R)
• M9: 1,220,569 km (0.072 R)
• M10: 1,394,402 km (0.08 R)
• M11: 1,506,451 km (0.053 R)
• M12: 1,634,806 km (0.066 R)
• M13: 1,733,540 km (0.092 R)
• M14: 1,861,746 km (0.105 R)
• M15: 2,376,063 km (0.11 R)
• M16: 2,751,105 km (0.092 R)
• M17: 2,837,872 km (0.117 R)
• M18: 3,310,900 km (0.104 R)
• M19: 3,522,581 km (0.11 R)
• M20: 3,660,361 km (0.063 R)
• M21: 3,773,756 km (0.098 R)
• M22: 4,003,987 km (0.078 R)
• M23: 4,129,799 km (0.119 R)
• M24: 4,330,410 km (0.096 R)
• M25: 4,469,087 km (0.038 R)
• M26: 4,665,658 km (0.083 R)
• M27: 4,798,202 km (0.055 R)
• M28: 4,980,263 km (0.115 R)
• M29: 5,194,038 km (0.108 R)
• M30: 5,311,921 km (0.058 R)
• M31: 5,410,805 km (0.114 R)
• M32: 5,510,288 km (0.047 R)
• M33: 5,650,760 km (0.068 R)
• M34: 5,802,453 km (0.055 R)
• M35: 6,141,142 km (0.097 R)
• M36: 6,349,532 km (0.079 R)
• M37: 6,602,652 km (0.102 R)
• M38: 6,730,558 km (0.051 R)
• M39: 7,184,587 km (0.091 R)
• M40: 7,305,163 km (0.073 R)
• M41: 7,426,487 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.9

Radius: 12.7

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.98 AU - 3.28 AU

Year: 3633 Days

Day: 14.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 77,943,400 km

• M1: 165,156 km (0.078 R)
• M2: 326,273 km (0.04 R)
• M3: 405,261 km (0.059 R)
• M4: 486,193 km (0.061 R)
• M5: 599,588 km (0.032 R)
• M6: 938,278 km (0.078 R)
• M7: 1,032,375 km (0.111 R)
• M8: 1,119,142 km (0.059 R)
• M9: 1,359,246 km (0.097 R)
• M10: 2,150,769 km (0.107 R)
• M11: 2,278,376 km (0.034 R)
• M12: 2,364,843 km (0.034 R)
• M13: 2,829,943 km (0.105 R)
• M14: 3,161,452 km (0.1 R)
• M15: 3,673,825 km (0.069 R)
• M16: 4,176,773 km (0.088 R)
• M17: 4,481,952 km (0.107 R)
• M18: 4,701,861 km (0.047 R)
• M19: 4,887,811 km (0.098 R)
• M20: 5,228,745 km (0.091 R)
• M21: 5,344,085 km (0.057 R)
• M22: 5,754,731 km (0.109 R)
• M23: 5,834,167 km (0.077 R)
• M24: 6,014,134 km (0.075 R)
• M25: 6,155,354 km (0.086 R)
• M26: 6,236,586 km (0.113 R)
• M27: 6,359,106 km (0.102 R)
• M28: 6,441,236 km (0.057 R)
• M29: 6,523,664 km (0.104 R)
• M30: 6,606,541 km (0.042 R)
• M31: 7,196,406 km (0.096 R)
• M32: 7,411,228 km (0.117 R)
• M33: 7,606,453 km (0.118 R)
• M34: 7,759,342 km (0.094 R)
• M35: 7,913,428 km (0.066 R)
• M36: 8,046,121 km (0.102 R)
• M37: 8,449,138 km (0.098 R)
• M38: 9,089,118 km (0.053 R)
• M39: 9,181,869 km (0.099 R)
• M40: 9,344,781 km (0.094 R)
• M41: 9,815,864 km (0.102 R)
• M42: 9,982,516 km (0.066 R)
• M43: 10,343,047 km (0.098 R)
• M44: 11,650,682 km (0.07 R)
• M45: 12,362,469 km (0.093 R)
• M46: 12,465,392 km (0.079 R)
• M47: 12,646,106 km (0.109 R)
• M48: 12,749,628 km (0.088 R)
• M49: 12,853,599 km (0.049 R)
• M50: 13,351,161 km (0.116 R)
• M51: 13,801,600 km (0.094 R)
• M52: 14,230,198 km (0.117 R)
• M53: 14,527,449 km (0.105 R)
• M54: 14,690,361 km (0.069 R)
• M55: 14,772,042 km (0.116 R)
• M56: 14,963,377 km (0.109 R)
• M57: 15,293,241 km (0.117 R)
• M58: 15,708,824 km (0.115 R)
• M59: 16,240,644 km (0.062 R)
• M60: 16,551,359 km (0.032 R)
• M61: 16,835,445 km (0.108 R)
• M62: 17,092,604 km (0.083 R)
• M63: 18,133,955 km (0.097 R)
• M64: 18,250,940 km (0.085 R)
• M65: 18,485,659 km (0.118 R)
• M66: 18,632,864 km (0.11 R)
• M67: 18,839,608 km (0.038 R)
• M68: 19,494,248 km (0.086 R)
• M69: 19,704,284 km (0.11 R)
• M70: 19,794,341 km (0.095 R)
• M71: 20,005,424 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.8

Radius: 4.1

Gravity: 25.63 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 5.6 AU - 6.88 AU

Year: 10226 Days

Day: 22.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 77,943,400 km

• M1: 57,894 km (0.058 R)
• M2: 112,647 km (0.082 R)
• M3: 151,543 km (0.108 R)
• M4: 448,345 km (0.114 R)
• M5: 617,540 km (0.094 R)
• M6: 678,277 km (0.088 R)
• M7: 855,251 km (0.098 R)
• M8: 1,653,356 km (0.119 R)
• M9: 2,208,513 km (0.112 R)
• M10: 2,397,306 km (0.077 R)
• M11: 2,469,562 km (0.092 R)
• M12: 2,518,031 km (0.026 R)
• M13: 2,917,757 km (0.087 R)
• M14: 3,444,641 km (0.081 R)
• M15: 3,858,727 km (0.087 R)
• M16: 4,000,247 km (0.097 R)
• M17: 4,435,128 km (0.098 R)
• M18: 4,494,219 km (0.109 R)
• M19: 4,763,346 km (0.116 R)
• M20: 4,793,714 km (0.099 R)
• M21: 5,254,924 km (0.073 R)
• M22: 5,411,853 km (0.088 R)
• M23: 6,219,232 km (0.071 R)
• M24: 6,552,536 km (0.11 R)
• M25: 6,586,196 km (0.095 R)
• M26: 6,721,432 km (0.07 R)
• M27: 6,789,350 km (0.076 R)
• M28: 7,271,354 km (0.118 R)
• M29: 8,856,643 km (0.089 R)
• M30: 9,118,439 km (0.076 R)
• M31: 9,957,384 km (0.089 R)
• M32: 10,307,742 km (0.108 R)
• M33: 10,346,937 km (0.08 R)
• M34: 11,180,945 km (0.066 R)
• M35: 11,221,187 km (0.098 R)
• M36: 11,261,429 km (0.081 R)
• M37: 11,382,752 km (0.119 R)
• M38: 12,576,394 km (0.089 R)
• M39: 12,912,540 km (0.113 R)
• M40: 13,766,146 km (0.078 R)
• M41: 13,809,230 km (0.12 R)
• M42: 13,895,697 km (0.097 R)
• M43: 14,549,739 km (0.115 R)
• M44: 14,593,571 km (0.094 R)
• M45: 17,217,668 km (0.05 R)
• M46: 17,450,592 km (0.084 R)
• M47: 17,919,581 km (0.11 R)
• M48: 18,202,919 km (0.091 R)
• M49: 18,392,609 km (0.1 R)
• M50: 19,496,342 km (0.109 R)
• M51: 20,868,604 km (0.094 R)
• M52: 21,116,936 km (0.066 R)
• M53: 22,221,118 km (0.053 R)
• M54: 22,271,832 km (0.099 R)
• M55: 23,035,978 km (0.098 R)
• M56: 23,189,764 km (0.104 R)
• M57: 23,860,412 km (0.076 R)
• M58: 24,172,174 km (0.096 R)
• M59: 25,062,580 km (0.115 R)
• M60: 25,115,239 km (0.063 R)
• M61: 25,432,386 km (0.077 R)
• M62: 25,750,730 km (0.106 R)
• M63: 25,963,608 km (0.085 R)
• M64: 26,177,234 km (0.1 R)
• M65: 26,337,752 km (0.064 R)
• M66: 26,767,547 km (0.093 R)
• M67: 27,037,272 km (0.11 R)
• M68: 27,253,740 km (0.085 R)
• M69: 27,742,925 km (0.09 R)
• M70: 28,180,200 km (0.116 R)
• M71: 28,344,757 km (0.064 R)
• M72: 30,681,775 km (0.106 R)
• M73: 30,794,572 km (0.072 R)
• M74: 32,044,612 km (0.083 R)
• M75: 32,503,279 km (0.102 R)
• M76: 32,964,190 km (0.098 R)
• M77: 34,652,851 km (0.098 R)
• M78: 35,359,850 km (0.112 R)
• M79: 35,952,557 km (0.073 R)
• M80: 36,011,947 km (0.12 R)
• M81: 36,071,487 km (0.107 R)
• M82: 36,369,486 km (0.117 R)
• M83: 36,488,865 km (0.099 R)
• M84: 37,448,685 km (0.053 R)
• M85: 39,454,643 km (0.11 R)
• M86: 40,007,707 km (0.096 R)
• M87: 40,069,341 km (0.104 R)
• M88: 40,377,961 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.6

Radius: 3.4

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 5.85 AU - 9.65 AU

Year: 14153 Days

Day: 18.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 77,943,400 km

• M1: 43,084 km (0.079 R)
• M2: 201,957 km (0.103 R)
• M3: 261,497 km (0.085 R)
• M4: 285,433 km (0.086 R)
• M5: 310,266 km (0.104 R)
• M6: 607,966 km (0.12 R)
• M7: 662,569 km (0.096 R)
• M8: 884,423 km (0.118 R)
• M9: 1,168,210 km (0.059 R)
• M10: 1,236,426 km (0.104 R)
• M11: 1,537,118 km (0.118 R)
• M12: 1,796,521 km (0.059 R)
• M13: 2,004,163 km (0.034 R)
• M14: 2,202,380 km (0.035 R)
• M15: 2,236,039 km (0.059 R)
• M16: 2,743,176 km (0.026 R)
• M17: 3,112,832 km (0.072 R)
• M18: 3,816,990 km (0.119 R)
• M19: 4,806,131 km (0.092 R)
• M20: 4,871,954 km (0.096 R)
• M21: 4,893,795 km (0.12 R)
• M22: 4,915,936 km (0.109 R)
• M23: 5,160,079 km (0.116 R)
• M24: 5,317,606 km (0.11 R)
• M25: 5,591,071 km (0.063 R)
• M26: 5,822,648 km (0.083 R)
• M27: 6,415,056 km (0.087 R)
• M28: 6,487,461 km (0.108 R)
• M29: 6,877,912 km (0.109 R)
• M30: 7,200,894 km (0.116 R)
• M31: 7,887,249 km (0.117 R)
• M32: 8,198,861 km (0.109 R)
• M33: 9,049,624 km (0.082 R)
• M34: 12,120,270 km (0.083 R)
• M35: 12,690,836 km (0.085 R)
• M36: 13,578,550 km (0.098 R)
• M37: 13,982,913 km (0.05 R)
• M38: 16,622,867 km (0.03 R)
• M39: 16,955,123 km (0.102 R)
• M40: 18,271,884 km (0.061 R)
• M41: 18,614,762 km (0.09 R)
• M42: 18,959,735 km (0.113 R)
• M43: 19,341,658 km (0.064 R)
• M44: 20,502,538 km (0.091 R)
• M45: 20,644,805 km (0.098 R)
• M46: 21,830,817 km (0.117 R)
• M47: 21,867,170 km (0.045 R)
• M48: 22,121,636 km (0.051 R)
• M49: 22,304,145 km (0.092 R)
• M50: 22,817,565 km (0.079 R)
• M51: 23,001,869 km (0.116 R)
• M52: 23,595,025 km (0.064 R)
• M53: 24,607,204 km (0.11 R)
• M54: 25,099,680 km (0.052 R)
• M55: 25,404,262 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.8

Radius: 7.8

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.9 AU - 10.84 AU

Year: 20342 Days

Day: 21.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 77,943,400 km

• M1: 225,893 km (0.03 R)
• M2: 333,902 km (0.06 R)
• M3: 481,406 km (0.096 R)
• M4: 993,629 km (0.1 R)
• M5: 1,073,814 km (0.075 R)
• M6: 1,184,366 km (0.073 R)
• M7: 1,600,996 km (0.11 R)
• M8: 1,792,781 km (0.108 R)
• M9: 2,376,362 km (0.081 R)
• M10: 2,558,722 km (0.105 R)
• M11: 2,707,871 km (0.039 R)
• M12: 2,821,715 km (0.056 R)
• M13: 3,292,649 km (0.109 R)
• M14: 3,958,360 km (0.057 R)
• M15: 4,174,828 km (0.096 R)
• M16: 4,350,904 km (0.087 R)
• M17: 5,032,472 km (0.044 R)
• M18: 5,219,919 km (0.076 R)
• M19: 5,943,075 km (0.086 R)
• M20: 7,007,613 km (0.07 R)
• M21: 7,535,095 km (0.052 R)
• M22: 8,020,690 km (0.115 R)
• M23: 8,739,807 km (0.05 R)
• M24: 9,653,102 km (0.113 R)
• M25: 10,121,194 km (0.115 R)
• M26: 10,837,019 km (0.117 R)
• M27: 11,018,482 km (0.074 R)
• M28: 11,140,105 km (0.117 R)
• M29: 11,384,548 km (0.074 R)
• M30: 11,754,653 km (0.102 R)
• M31: 12,380,271 km (0.1 R)
• M32: 13,533,371 km (0.09 R)
• M33: 13,859,794 km (0.034 R)
• M34: 14,387,276 km (0.066 R)
• M35: 15,940,551 km (0.099 R)
• M36: 17,333,905 km (0.101 R)
• M37: 19,496,043 km (0.114 R)
• M38: 19,790,751 km (0.035 R)
• M39: 20,310,005 km (0.104 R)
• M40: 20,758,649 km (0.091 R)
• M41: 20,908,846 km (0.109 R)
• M42: 21,134,888 km (0.054 R)
• M43: 21,741,807 km (0.119 R)
• M44: 23,361,802 km (0.073 R)
• M45: 24,304,867 km (0.1 R)
• M46: 25,581,685 km (0.106 R)
• M47: 26,066,083 km (0.03 R)
• M48: 26,390,710 km (0.115 R)
• M49: 26,553,472 km (0.099 R)
• M50: 26,880,045 km (0.085 R)
• M51: 27,619,806 km (0.112 R)
• M52: 29,540,643 km (0.106 R)
• M53: 29,709,688 km (0.103 R)
• M54: 32,283,819 km (0.068 R)
• M55: 32,545,166 km (0.107 R)
• M56: 34,394,046 km (0.105 R)
• M57: 34,750,089 km (0.069 R)
• M58: 38,284,788 km (0.043 R)
• M59: 38,376,940 km (0.105 R)
• M60: 38,746,148 km (0.072 R)
• M61: 40,328,594 km (0.091 R)
• M62: 40,798,032 km (0.097 R)
• M63: 41,363,811 km (0.072 R)
• M64: 41,458,357 km (0.104 R)
• M65: 42,502,999 km (0.114 R)
• M66: 43,460,276 km (0.101 R)
• M67: 44,715,252 km (0.07 R)
• M68: 46,866,021 km (0.048 R)
• M69: 47,161,926 km (0.087 R)
• M70: 47,954,046 km (0.066 R)
• M71: 48,351,827 km (0.119 R)
• M72: 50,054,251 km (0.076 R)
• M73: 50,659,673 km (0.108 R)
• M74: 57,162,543 km (0.102 R)
• M75: 58,749,178 km (0.103 R)
• M76: 59,281,298 km (0.059 R)
• M77: 60,028,838 km (0.102 R)
• M78: 60,243,063 km (0.041 R)
• M79: 63,485,896 km (0.077 R)
• M80: 63,922,572 km (0.096 R)
• M81: 65,018,526 km (0.118 R)
• M82: 66,231,316 km (0.026 R)
• M83: 67,451,586 km (0.075 R)
• M84: 67,674,337 km (0.099 R)
• M85: 68,120,288 km (0.119 R)
• M86: 70,252,357 km (0.117 R)
• M87: 73,090,976 km (0.071 R)
• M88: 73,663,188 km (0.106 R)
• M89: 73,777,780 km (0.089 R)
• M90: 75,157,821 km (0.079 R)
• M91: 75,619,779 km (0.078 R)
• M92: 75,735,418 km (0.066 R)
• M93: 76,430,300 km (0.051 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 14,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit