🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1 AU - 1.18 AU

Year: 402 Days

Day: 32.3 Hours

Environment

Temp: 41 °C

Axial Tilt: 23.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.05 AU - 1.25 AU

Year: 435 Days

Day: 30 Hours

Environment

Temp: 16 °C

Axial Tilt: 0.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.19 AU - 1.45 AU

Year: 535 Days

Day: 46.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.56 AU - 2.02 AU

Year: 846 Days

Day: 45.1 Hours

Environment

Temp: -39 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,660,076 km

• M1: 707,897 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.89 AU - 2.57 AU

Year: 1176 Days

Day: 23.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,660,076 km

• M1: 154,535 km (0.118 R)

Asteroid Belt

Center: 4.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.5

Radius: 12.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.23 AU - 8.43 AU

Year: 6303 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 28,660,076 km

• M1: 175,927 km (0.083 R)
• M2: 261,946 km (0.072 R)
• M3: 369,357 km (0.091 R)
• M4: 567,126 km (0.113 R)
• M5: 1,262,456 km (0.103 R)
• M6: 1,616,106 km (0.08 R)
• M7: 1,795,623 km (0.072 R)
• M8: 2,334,026 km (0.104 R)
• M9: 2,415,108 km (0.102 R)
• M10: 2,559,171 km (0.092 R)
• M11: 2,834,580 km (0.104 R)
• M12: 3,164,593 km (0.114 R)
• M13: 3,600,372 km (0.097 R)
• M14: 3,837,634 km (0.061 R)
• M15: 4,203,102 km (0.098 R)
• M16: 4,402,665 km (0.066 R)
• M17: 4,554,507 km (0.115 R)
• M18: 4,733,875 km (0.038 R)
• M19: 5,046,834 km (0.054 R)
• M20: 5,638,194 km (0.1 R)
• M21: 6,566,449 km (0.095 R)
• M22: 7,152,125 km (0.094 R)
• M23: 7,632,783 km (0.107 R)
• M24: 8,186,145 km (0.071 R)
• M25: 8,404,857 km (0.074 R)
• M26: 8,593,949 km (0.085 R)
• M27: 8,880,130 km (0.097 R)
• M28: 9,169,601 km (0.067 R)
• M29: 9,989,847 km (0.11 R)
• M30: 10,089,778 km (0.107 R)
• M31: 10,391,816 km (0.113 R)
• M32: 10,970,610 km (0.116 R)
• M33: 11,142,797 km (0.097 R)
• M34: 11,420,301 km (0.073 R)
• M35: 11,805,516 km (0.087 R)
• M36: 12,159,465 km (0.064 R)
• M37: 12,696,970 km (0.039 R)
• M38: 13,536,214 km (0.1 R)
• M39: 13,646,916 km (0.099 R)
• M40: 13,943,868 km (0.078 R)
• M41: 14,055,767 km (0.059 R)
• M42: 14,923,734 km (0.096 R)
• M43: 15,345,002 km (0.084 R)
• M44: 15,925,741 km (0.119 R)
• M45: 16,042,726 km (0.029 R)
• M46: 16,316,939 km (0.057 R)
• M47: 16,513,810 km (0.099 R)
• M48: 16,711,279 km (0.081 R)
• M49: 17,108,910 km (0.08 R)
• M50: 17,348,865 km (0.065 R)
• M51: 17,872,757 km (0.059 R)
• M52: 18,524,704 km (0.079 R)
• M53: 18,894,809 km (0.104 R)
• M54: 18,977,387 km (0.111 R)
• M55: 19,142,992 km (0.119 R)
• M56: 19,267,458 km (0.116 R)
• M57: 20,357,577 km (0.068 R)
• M58: 20,952,827 km (0.097 R)
• M59: 21,209,687 km (0.05 R)
• M60: 21,424,509 km (0.079 R)
• M61: 21,553,762 km (0.107 R)
• M62: 23,568,247 km (0.102 R)
• M63: 23,924,739 km (0.11 R)
• M64: 24,058,778 km (0.114 R)
• M65: 25,871,157 km (0.03 R)
• M66: 26,100,789 km (0.113 R)
• M67: 26,423,322 km (0.118 R)
• M68: 26,933,002 km (0.079 R)
• M69: 27,399,149 km (0.076 R)
• M70: 27,774,041 km (0.085 R)
• M71: 28,339,521 km (0.058 R)
• M72: 28,623,608 km (0.108 R)
• M73: 28,766,025 km (0.09 R)
• M74: 29,385,959 km (0.087 R)
• M75: 29,673,635 km (0.111 R)
• M76: 30,251,681 km (0.11 R)
• M77: 30,396,791 km (0.113 R)
• M78: 31,125,782 km (0.104 R)
• M79: 32,155,913 km (0.084 R)
• M80: 32,353,531 km (0.072 R)
• M81: 32,452,416 km (0.104 R)
• M82: 33,247,229 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.9

Radius: 10.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.62 AU - 9.3 AU

Year: 7195 Days

Day: 11.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 28,660,076 km

• M1: 161,416 km (0.08 R)
• M2: 237,561 km (0.088 R)
• M3: 551,119 km (0.1 R)
• M4: 692,638 km (0.094 R)
• M5: 1,013,974 km (0.117 R)
• M6: 1,345,782 km (0.09 R)
• M7: 1,730,249 km (0.068 R)
• M8: 1,965,267 km (0.118 R)
• M9: 2,231,701 km (0.101 R)
• M10: 2,337,467 km (0.036 R)
• M11: 2,423,186 km (0.043 R)
• M12: 2,531,944 km (0.107 R)
• M13: 2,709,517 km (0.117 R)
• M14: 3,123,903 km (0.103 R)
• M15: 3,509,267 km (0.028 R)
• M16: 3,608,001 km (0.116 R)
• M17: 3,757,749 km (0.088 R)
• M18: 4,037,946 km (0.114 R)
• M19: 4,141,617 km (0.114 R)
• M20: 4,246,186 km (0.095 R)
• M21: 4,946,753 km (0.111 R)
• M22: 5,310,724 km (0.063 R)
• M23: 6,183,478 km (0.087 R)
• M24: 6,363,445 km (0.082 R)
• M25: 6,545,206 km (0.088 R)
• M26: 6,790,098 km (0.089 R)
• M27: 7,037,981 km (0.051 R)
• M28: 7,163,195 km (0.099 R)
• M29: 7,320,572 km (0.096 R)
• M30: 8,388,401 km (0.114 R)
• M31: 8,788,875 km (0.115 R)
• M32: 8,923,663 km (0.105 R)
• M33: 10,274,382 km (0.037 R)
• M34: 10,666,777 km (0.046 R)
• M35: 12,172,480 km (0.074 R)
• M36: 12,549,765 km (0.116 R)
• M37: 12,663,759 km (0.049 R)
• M38: 13,007,684 km (0.097 R)
• M39: 13,123,024 km (0.11 R)
• M40: 13,509,885 km (0.116 R)
• M41: 13,861,440 km (0.096 R)
• M42: 14,255,331 km (0.098 R)
• M43: 15,378,212 km (0.081 R)
• M44: 15,745,176 km (0.109 R)
• M45: 16,404,753 km (0.104 R)
• M46: 16,570,956 km (0.116 R)
• M47: 16,821,533 km (0.119 R)
• M48: 17,199,566 km (0.118 R)
• M49: 17,410,948 km (0.1 R)
• M50: 17,495,621 km (0.03 R)
• M51: 17,750,685 km (0.054 R)
• M52: 18,135,600 km (0.109 R)
• M53: 18,826,892 km (0.048 R)
• M54: 19,088,240 km (0.085 R)
• M55: 19,350,784 km (0.048 R)
• M56: 19,747,069 km (0.109 R)
• M57: 20,057,035 km (0.083 R)
• M58: 20,906,602 km (0.11 R)
• M59: 21,222,552 km (0.05 R)
• M60: 21,449,193 km (0.069 R)
• M61: 21,767,837 km (0.048 R)
• M62: 22,687,115 km (0.117 R)
• M63: 23,151,318 km (0.113 R)
• M64: 23,525,163 km (0.095 R)
• M65: 23,618,811 km (0.059 R)
• M66: 23,712,758 km (0.079 R)
• M67: 26,732,691 km (0.035 R)
• M68: 27,026,501 km (0.117 R)
• M69: 27,964,330 km (0.098 R)
• M70: 28,412,226 km (0.091 R)
• M71: 29,315,049 km (0.046 R)
• M72: 29,618,134 km (0.099 R)
• M73: 29,719,412 km (0.114 R)
• M74: 30,533,673 km (0.063 R)
• M75: 31,406,727 km (0.095 R)
• M76: 32,236,097 km (0.077 R)
• M77: 32,444,487 km (0.107 R)
• M78: 32,758,044 km (0.112 R)
• M79: 32,862,763 km (0.115 R)
• M80: 33,230,175 km (0.081 R)
• M81: 34,128,211 km (0.108 R)
• M82: 34,873,657 km (0.085 R)
• M83: 34,980,620 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.1

Radius: 8.1

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.07 AU - 11.53 AU

Year: 10014 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 28,660,076 km

• M1: 136,134 km (0.105 R)
• M2: 262,095 km (0.114 R)
• M3: 383,719 km (0.054 R)
• M4: 452,534 km (0.068 R)
• M5: 572,661 km (0.113 R)
• M6: 686,953 km (0.11 R)
• M7: 1,219,372 km (0.063 R)
• M8: 1,282,951 km (0.096 R)
• M9: 1,413,401 km (0.056 R)
• M10: 1,735,036 km (0.087 R)
• M11: 1,806,993 km (0.046 R)
• M12: 1,904,381 km (0.101 R)
• M13: 2,104,692 km (0.099 R)
• M14: 2,338,364 km (0.073 R)
• M15: 2,718,343 km (0.067 R)
• M16: 2,830,541 km (0.072 R)
• M17: 3,117,769 km (0.09 R)
• M18: 3,384,353 km (0.068 R)
• M19: 3,566,114 km (0.113 R)
• M20: 3,658,266 km (0.118 R)
• M21: 3,720,050 km (0.103 R)
• M22: 4,227,636 km (0.118 R)
• M23: 4,723,254 km (0.094 R)
• M24: 4,858,490 km (0.078 R)
• M25: 5,554,120 km (0.095 R)
• M26: 5,841,198 km (0.083 R)
• M27: 6,280,717 km (0.107 R)
• M28: 6,392,317 km (0.108 R)
• M29: 6,693,009 km (0.075 R)
• M30: 6,921,744 km (0.081 R)
• M31: 7,152,873 km (0.043 R)
• M32: 7,386,694 km (0.108 R)
• M33: 8,183,901 km (0.104 R)
• M34: 9,092,259 km (0.101 R)
• M35: 9,816,014 km (0.058 R)
• M36: 10,293,979 km (0.106 R)
• M37: 10,513,888 km (0.104 R)
• M38: 11,272,948 km (0.076 R)
• M39: 12,327,762 km (0.08 R)
• M40: 12,796,153 km (0.036 R)
• M41: 12,890,549 km (0.076 R)
• M42: 13,175,234 km (0.088 R)
• M43: 13,270,528 km (0.112 R)
• M44: 13,365,971 km (0.054 R)
• M45: 14,041,256 km (0.091 R)
• M46: 14,383,087 km (0.051 R)
• M47: 14,481,223 km (0.093 R)
• M48: 14,727,611 km (0.068 R)
• M49: 15,828,053 km (0.095 R)
• M50: 17,737,969 km (0.112 R)
• M51: 18,213,391 km (0.111 R)
• M52: 18,853,820 km (0.094 R)
• M53: 19,447,424 km (0.1 R)
• M54: 19,883,053 km (0.101 R)
• M55: 20,266,772 km (0.097 R)
• M56: 21,939,126 km (0.092 R)
• M57: 22,392,408 km (0.089 R)
• M58: 25,830,316 km (0.069 R)
• M59: 26,129,213 km (0.112 R)
• M60: 26,189,052 km (0.12 R)
• M61: 26,790,735 km (0.045 R)
• M62: 27,884,894 km (0.109 R)
• M63: 29,616,040 km (0.074 R)
• M64: 31,381,594 km (0.089 R)
• M65: 32,084,555 km (0.064 R)
• M66: 33,051,406 km (0.101 R)
• M67: 33,310,808 km (0.097 R)
• M68: 34,158,729 km (0.107 R)
• M69: 34,552,471 km (0.084 R)
• M70: 34,618,294 km (0.096 R)
• M71: 36,209,117 km (0.119 R)
• M72: 36,409,728 km (0.094 R)
• M73: 36,543,618 km (0.092 R)
• M74: 37,350,400 km (0.09 R)
• M75: 37,553,105 km (0.105 R)
• M76: 39,187,162 km (0.082 R)
• M77: 39,461,824 km (0.049 R)
• M78: 40,012,942 km (0.112 R)
• M79: 40,220,285 km (0.085 R)
• M80: 40,844,407 km (0.083 R)
• M81: 41,821,730 km (0.03 R)
• M82: 42,032,215 km (0.103 R)
• M83: 42,383,620 km (0.088 R)
• M84: 42,736,073 km (0.117 R)
• M85: 42,806,683 km (0.083 R)
• M86: 42,877,293 km (0.078 R)
• M87: 43,585,938 km (0.117 R)
• M88: 43,799,265 km (0.063 R)
• M89: 45,302,274 km (0.115 R)
• M90: 45,518,443 km (0.079 R)
• M91: 45,590,549 km (0.1 R)
• M92: 46,024,084 km (0.087 R)
• M93: 48,211,803 km (0.113 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.5

Radius: 13.7

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 9.58 AU - 15.1 AU

Year: 15306 Days

Day: 13.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 28,660,076 km

• M1: 257,009 km (0.058 R)
• M2: 373,097 km (0.059 R)
• M3: 479,461 km (0.109 R)
• M4: 568,322 km (0.093 R)
• M5: 743,950 km (0.103 R)
• M6: 863,928 km (0.105 R)
• M7: 1,209,798 km (0.116 R)
• M8: 1,384,379 km (0.069 R)
• M9: 1,583,493 km (0.109 R)
• M10: 1,875,359 km (0.072 R)
• M11: 2,256,085 km (0.045 R)
• M12: 2,718,642 km (0.095 R)
• M13: 2,971,014 km (0.036 R)
• M14: 3,090,243 km (0.1 R)
• M15: 3,415,918 km (0.103 R)
• M16: 4,012,963 km (0.07 R)
• M17: 4,459,513 km (0.112 R)
• M18: 4,898,582 km (0.042 R)
• M19: 5,016,465 km (0.111 R)
• M20: 6,019,070 km (0.077 R)
• M21: 6,221,925 km (0.083 R)
• M22: 8,147,698 km (0.03 R)
• M23: 8,457,067 km (0.081 R)
• M24: 8,713,328 km (0.092 R)
• M25: 10,333,772 km (0.099 R)
• M26: 10,546,650 km (0.093 R)
• M27: 11,256,492 km (0.117 R)
• M28: 14,314,871 km (0.1 R)
• M29: 15,864,705 km (0.092 R)
• M30: 16,251,565 km (0.115 R)
• M31: 17,178,473 km (0.072 R)
• M32: 17,793,919 km (0.08 R)
• M33: 18,786,052 km (0.117 R)
• M34: 19,120,852 km (0.094 R)
• M35: 19,532,695 km (0.063 R)
• M36: 20,824,024 km (0.101 R)
• M37: 21,557,801 km (0.096 R)
• M38: 22,417,839 km (0.109 R)
• M39: 22,536,022 km (0.117 R)
• M40: 23,688,972 km (0.103 R)
• M41: 24,050,700 km (0.086 R)
• M42: 24,333,290 km (0.068 R)
• M43: 24,820,381 km (0.034 R)
• M44: 25,351,603 km (0.101 R)
• M45: 26,134,898 km (0.111 R)
• M46: 27,345,593 km (0.037 R)
• M47: 28,148,784 km (0.081 R)
• M48: 28,531,904 km (0.057 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 15,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit