🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.65 AU - 0.75 AU

Year: 214 Days

Day: 23.4 Hours

Environment

Temp: 200 °C

Axial Tilt: 18.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.59 AU - 0.95 AU

Year: 247 Days

Day: 45.1 Hours

Environment

Temp: 174 °C

Axial Tilt: 27.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,161,090 km

• M1: 152,291 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.23 AU - 1.57 AU

Year: 605 Days

Day: 15.8 Hours

Environment

Temp: -34 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.36 AU - 1.86 AU

Year: 746 Days

Day: 30.3 Hours

Environment

Temp: -34 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,161,090 km

• M1: 38,596 km (0.079 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.67 AU - 2.27 AU

Year: 1010 Days

Day: 47.4 Hours

Environment

Temp: -59 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.74 AU - 4.82 AU

Year: 3234 Days

Day: 33.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.5

Radius: 14.1

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.75 AU - 5.51 AU

Year: 4244 Days

Day: 13.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 71,161,090 km

• M1: 180,415 km (0.046 R)
• M2: 353,051 km (0.064 R)
• M3: 475,572 km (0.09 R)
• M4: 584,628 km (0.104 R)
• M5: 824,434 km (0.117 R)
• M6: 1,024,446 km (0.085 R)
• M7: 1,196,783 km (0.1 R)
• M8: 1,391,260 km (0.069 R)
• M9: 2,666,133 km (0.055 R)
• M10: 2,756,341 km (0.049 R)
• M11: 3,111,785 km (0.071 R)
• M12: 3,935,621 km (0.082 R)
• M13: 4,195,622 km (0.106 R)
• M14: 4,425,703 km (0.098 R)
• M15: 5,387,319 km (0.119 R)
• M16: 6,030,739 km (0.076 R)
• M17: 6,392,018 km (0.114 R)
• M18: 6,781,122 km (0.03 R)
• M19: 7,093,781 km (0.088 R)
• M20: 7,241,435 km (0.104 R)
• M21: 7,625,602 km (0.106 R)
• M22: 7,733,462 km (0.073 R)
• M23: 8,302,981 km (0.086 R)
• M24: 8,548,022 km (0.105 R)
• M25: 8,750,279 km (0.12 R)
• M26: 9,113,951 km (0.065 R)
• M27: 9,251,581 km (0.11 R)
• M28: 9,459,223 km (0.106 R)
• M29: 9,645,323 km (0.076 R)
• M30: 10,163,081 km (0.09 R)
• M31: 10,353,519 km (0.096 R)
• M32: 10,956,698 km (0.079 R)
• M33: 11,299,426 km (0.115 R)
• M34: 11,720,395 km (0.028 R)
• M35: 12,654,484 km (0.084 R)
• M36: 12,808,270 km (0.11 R)
• M37: 13,351,311 km (0.085 R)
• M38: 14,513,537 km (0.11 R)
• M39: 14,809,142 km (0.084 R)
• M40: 15,242,677 km (0.095 R)
• M41: 15,379,110 km (0.103 R)
• M42: 15,762,978 km (0.11 R)
• M43: 16,372,889 km (0.074 R)
• M44: 16,764,985 km (0.12 R)
• M45: 17,103,525 km (0.08 R)
• M46: 17,615,598 km (0.116 R)
• M47: 18,567,489 km (0.084 R)
• M48: 18,771,541 km (0.085 R)
• M49: 19,506,515 km (0.064 R)
• M50: 19,624,997 km (0.099 R)
• M51: 20,041,627 km (0.028 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.8

Radius: 11.7

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.77 AU - 8.43 AU

Year: 8420 Days

Day: 10.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 71,161,090 km

• M1: 171,589 km (0.07 R)
• M2: 502,200 km (0.089 R)
• M3: 850,464 km (0.116 R)
• M4: 1,409,810 km (0.105 R)
• M5: 1,771,837 km (0.111 R)
• M6: 2,045,152 km (0.066 R)
• M7: 2,581,461 km (0.097 R)
• M8: 2,657,905 km (0.062 R)
• M9: 3,270,060 km (0.099 R)
• M10: 3,606,655 km (0.046 R)
• M11: 4,072,952 km (0.091 R)
• M12: 5,419,632 km (0.073 R)
• M13: 5,617,699 km (0.117 R)
• M14: 6,158,047 km (0.061 R)
• M15: 6,539,073 km (0.094 R)
• M16: 6,821,214 km (0.105 R)
• M17: 7,107,245 km (0.074 R)
• M18: 7,876,926 km (0.114 R)
• M19: 8,252,866 km (0.091 R)
• M20: 8,634,639 km (0.12 R)
• M21: 8,750,279 km (0.115 R)
• M22: 8,983,203 km (0.067 R)
• M23: 9,455,184 km (0.109 R)
• M24: 9,614,356 km (0.11 R)
• M25: 9,814,518 km (0.103 R)
• M26: 9,935,243 km (0.083 R)
• M27: 10,016,026 km (0.063 R)
• M28: 10,137,649 km (0.07 R)
• M29: 11,296,285 km (0.092 R)
• M30: 11,422,845 km (0.079 R)
• M31: 11,891,236 km (0.074 R)
• M32: 12,496,509 km (0.104 R)
• M33: 12,759,053 km (0.085 R)
• M34: 13,156,086 km (0.05 R)
• M35: 13,872,211 km (0.105 R)
• M36: 14,189,508 km (0.106 R)
• M37: 14,692,904 km (0.069 R)
• M38: 14,970,109 km (0.078 R)
• M39: 15,062,860 km (0.104 R)
• M40: 15,248,810 km (0.064 R)
• M41: 15,529,456 km (0.105 R)
• M42: 16,764,835 km (0.103 R)
• M43: 17,540,799 km (0.111 R)
• M44: 17,687,555 km (0.105 R)
• M45: 19,077,319 km (0.075 R)
• M46: 20,091,443 km (0.116 R)
• M47: 21,331,310 km (0.079 R)
• M48: 22,383,432 km (0.098 R)
• M49: 24,210,770 km (0.074 R)
• M50: 24,592,843 km (0.1 R)
• M51: 24,867,056 km (0.113 R)
• M52: 26,309,030 km (0.042 R)
• M53: 26,758,272 km (0.103 R)
• M54: 27,323,153 km (0.091 R)
• M55: 27,778,081 km (0.027 R)
• M56: 28,235,401 km (0.1 R)
• M57: 28,695,265 km (0.074 R)
• M58: 29,797,353 km (0.115 R)
• M59: 30,031,174 km (0.102 R)
• M60: 30,854,262 km (0.053 R)
• M61: 31,446,669 km (0.067 R)
• M62: 31,625,139 km (0.117 R)
• M63: 31,744,219 km (0.086 R)
• M64: 33,307,068 km (0.071 R)
• M65: 33,732,076 km (0.098 R)
• M66: 33,853,849 km (0.064 R)
• M67: 34,219,915 km (0.101 R)
• M68: 35,450,058 km (0.07 R)
• M69: 36,757,094 km (0.037 R)
• M70: 37,889,999 km (0.076 R)
• M71: 39,034,423 km (0.055 R)
• M72: 39,610,823 km (0.096 R)
• M73: 41,226,780 km (0.112 R)
• M74: 41,617,828 km (0.104 R)
• M75: 42,996,223 km (0.113 R)
• M76: 43,128,318 km (0.117 R)
• M77: 43,260,413 km (0.049 R)
• M78: 44,723,331 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.6

Radius: 11.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.57 AU - 9.93 AU

Year: 8655 Days

Day: 5.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 71,161,090 km

• M1: 152,739 km (0.114 R)
• M2: 235,168 km (0.088 R)
• M3: 331,509 km (0.053 R)
• M4: 582,534 km (0.038 R)
• M5: 804,837 km (0.108 R)
• M6: 1,088,624 km (0.065 R)
• M7: 1,190,500 km (0.078 R)
• M8: 1,295,817 km (0.104 R)
• M9: 1,592,469 km (0.116 R)
• M10: 1,849,778 km (0.114 R)
• M11: 2,163,484 km (0.115 R)
• M12: 2,539,573 km (0.035 R)
• M13: 2,841,462 km (0.032 R)
• M14: 2,936,606 km (0.051 R)
• M15: 3,130,335 km (0.028 R)
• M16: 4,685,854 km (0.039 R)
• M17: 4,884,370 km (0.076 R)
• M18: 5,114,751 km (0.087 R)
• M19: 5,496,675 km (0.03 R)
• M20: 5,586,134 km (0.099 R)
• M21: 6,381,995 km (0.082 R)
• M22: 6,729,511 km (0.105 R)
• M23: 6,857,267 km (0.045 R)
• M24: 7,311,297 km (0.094 R)
• M25: 8,044,476 km (0.049 R)
• M26: 8,180,311 km (0.111 R)
• M27: 8,523,339 km (0.096 R)
• M28: 9,760,663 km (0.092 R)
• M29: 10,087,833 km (0.084 R)
• M30: 10,344,842 km (0.051 R)
• M31: 11,242,579 km (0.111 R)
• M32: 11,623,904 km (0.027 R)
• M33: 11,777,691 km (0.075 R)
• M34: 12,912,690 km (0.097 R)
• M35: 13,312,116 km (0.1 R)
• M36: 14,410,912 km (0.104 R)
• M37: 14,617,507 km (0.081 R)
• M38: 14,866,887 km (0.088 R)
• M39: 14,950,362 km (0.083 R)
• M40: 15,327,648 km (0.075 R)
• M41: 15,454,058 km (0.107 R)
• M42: 15,665,739 km (0.059 R)
• M43: 15,793,047 km (0.102 R)
• M44: 16,049,009 km (0.04 R)
• M45: 16,651,290 km (0.061 R)
• M46: 17,173,536 km (0.076 R)
• M47: 18,189,456 km (0.117 R)
• M48: 18,278,616 km (0.103 R)
• M49: 18,772,289 km (0.051 R)
• M50: 19,543,765 km (0.093 R)
• M51: 20,232,962 km (0.07 R)
• M52: 20,836,739 km (0.026 R)
• M53: 20,930,238 km (0.072 R)
• M54: 21,352,403 km (0.089 R)
• M55: 21,919,678 km (0.103 R)
• M56: 22,972,399 km (0.065 R)
• M57: 23,069,039 km (0.102 R)
• M58: 23,505,117 km (0.087 R)
• M59: 23,992,806 km (0.066 R)
• M60: 24,090,643 km (0.073 R)
• M61: 25,226,689 km (0.094 R)
• M62: 26,127,867 km (0.062 R)
• M63: 26,481,067 km (0.06 R)
• M64: 26,633,059 km (0.082 R)
• M65: 26,886,777 km (0.076 R)
• M66: 27,550,542 km (0.066 R)
• M67: 27,910,176 km (0.103 R)
• M68: 28,582,020 km (0.111 R)
• M69: 28,842,021 km (0.096 R)
• M70: 29,154,830 km (0.112 R)
• M71: 29,311,758 km (0.103 R)
• M72: 29,416,477 km (0.111 R)
• M73: 29,573,853 km (0.086 R)
• M74: 30,949,107 km (0.072 R)
• M75: 31,590,882 km (0.109 R)
• M76: 31,698,293 km (0.067 R)
• M77: 33,214,467 km (0.054 R)
• M78: 33,597,288 km (0.094 R)
• M79: 34,036,508 km (0.11 R)
• M80: 34,367,119 km (0.082 R)
• M81: 34,865,130 km (0.109 R)
• M82: 35,924,283 km (0.107 R)
• M83: 36,261,028 km (0.065 R)
• M84: 37,561,333 km (0.046 R)
• M85: 38,131,300 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 856.1

Radius: 5.9

Gravity: 24.59 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 9.45 AU - 15.59 AU

Year: 16181 Days

Day: 16.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 71,161,090 km

• M1: 75,547 km (0.079 R)
• M2: 203,902 km (0.102 R)
• M3: 461,360 km (0.047 R)
• M4: 538,852 km (0.119 R)
• M5: 868,116 km (0.097 R)
• M6: 990,338 km (0.099 R)
• M7: 1,224,309 km (0.08 R)
• M8: 2,254,290 km (0.032 R)
• M9: 2,809,598 km (0.118 R)
• M10: 2,918,355 km (0.092 R)
• M11: 3,215,008 km (0.102 R)
• M12: 3,717,657 km (0.047 R)
• M13: 4,411,342 km (0.066 R)
• M14: 4,665,658 km (0.094 R)
• M15: 6,719,936 km (0.071 R)
• M16: 7,259,386 km (0.107 R)
• M17: 7,358,869 km (0.084 R)
• M18: 8,379,426 km (0.118 R)
• M19: 8,483,845 km (0.118 R)
• M20: 8,694,030 km (0.104 R)
• M21: 8,959,267 km (0.101 R)
• M22: 9,119,785 km (0.087 R)
• M23: 9,389,211 km (0.047 R)
• M24: 9,552,273 km (0.117 R)
• M25: 10,493,243 km (0.117 R)
• M26: 11,929,981 km (0.113 R)
• M27: 12,106,507 km (0.066 R)
• M28: 12,283,780 km (0.069 R)
• M29: 13,305,235 km (0.043 R)
• M30: 14,353,616 km (0.116 R)
• M31: 14,478,680 km (0.112 R)
• M32: 15,236,842 km (0.089 R)
• M33: 15,878,318 km (0.054 R)
• M34: 16,397,871 km (0.09 R)
• M35: 16,725,491 km (0.113 R)
• M36: 17,387,162 km (0.032 R)
• M37: 18,395,601 km (0.056 R)
• M38: 19,422,890 km (0.084 R)
• M39: 21,247,086 km (0.106 R)
• M40: 21,604,176 km (0.091 R)
• M41: 21,675,834 km (0.05 R)
• M42: 22,978,981 km (0.093 R)
• M43: 24,232,910 km (0.108 R)
• M44: 24,531,208 km (0.087 R)
• M45: 25,508,831 km (0.117 R)
• M46: 25,888,360 km (0.117 R)
• M47: 26,040,651 km (0.096 R)
• M48: 27,347,089 km (0.118 R)
• M49: 28,439,004 km (0.101 R)
• M50: 28,832,446 km (0.073 R)
• M51: 30,023,545 km (0.056 R)
• M52: 30,343,834 km (0.111 R)
• M53: 31,392,664 km (0.11 R)
• M54: 31,555,128 km (0.103 R)
• M55: 31,880,802 km (0.099 R)
• M56: 32,864,408 km (0.047 R)
• M57: 36,897,716 km (0.095 R)
• M58: 37,326,614 km (0.101 R)
• M59: 37,412,632 km (0.096 R)
• M60: 38,536,711 km (0.1 R)
• M61: 42,691,941 km (0.111 R)
• M62: 42,961,965 km (0.098 R)
• M63: 43,503,659 km (0.083 R)
• M64: 43,956,941 km (0.063 R)
• M65: 47,451,846 km (0.044 R)
• M66: 47,824,943 km (0.112 R)
• M67: 48,198,938 km (0.06 R)
• M68: 48,855,822 km (0.099 R)
• M69: 48,949,919 km (0.075 R)
• M70: 49,421,302 km (0.106 R)
• M71: 49,894,031 km (0.12 R)
• M72: 50,463,551 km (0.087 R)
• M73: 53,633,380 km (0.093 R)
• M74: 54,899,576 km (0.064 R)
• M75: 54,997,413 km (0.038 R)
• M76: 55,585,632 km (0.105 R)
• M77: 56,768,054 km (0.067 R)
• M78: 56,866,938 km (0.061 R)
• M79: 57,164,039 km (0.12 R)
• M80: 57,759,738 km (0.089 R)
• M81: 59,157,730 km (0.099 R)
• M82: 60,566,942 km (0.075 R)
• M83: 60,870,326 km (0.078 R)
• M84: 61,174,160 km (0.065 R)
• M85: 61,377,164 km (0.06 R)
• M86: 64,550,284 km (0.072 R)
• M87: 66,521,236 km (0.051 R)
• M88: 68,617,402 km (0.119 R)
• M89: 68,722,719 km (0.05 R)
• M90: 69,039,118 km (0.103 R)
• M91: 69,673,413 km (0.094 R)
• M92: 70,416,017 km (0.029 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 14,006 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit