🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.54 AU - 0.6 AU

Year: 282 Days

Day: 32.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 23,026,706 km

• M1: 305,778 km (0.036 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.48 AU - 0.72 AU

Year: 305 Days

Day: 41 Hours

Environment

Temp: -137 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.2

Radius: 10.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.69 AU - 0.89 AU

Year: 461 Days

Day: 14.2 Hours

Environment

Temp: -143 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 23,026,706 km

• M1: 136,433 km (0.03 R)
• M2: 225,743 km (0.033 R)
• M3: 343,477 km (0.106 R)
• M4: 418,276 km (0.108 R)
• M5: 521,049 km (0.116 R)
• M6: 633,846 km (0.102 R)
• M7: 707,598 km (0.083 R)
• M8: 847,921 km (0.043 R)
• M9: 930,648 km (0.031 R)
• M10: 1,119,142 km (0.109 R)
• M11: 1,290,431 km (0.042 R)
• M12: 1,465,162 km (0.116 R)
• M13: 1,571,825 km (0.098 R)
• M14: 1,714,541 km (0.118 R)
• M15: 1,804,450 km (0.082 R)
• M16: 1,884,634 km (0.043 R)
• M17: 1,966,015 km (0.083 R)
• M18: 2,048,444 km (0.093 R)
• M19: 2,120,251 km (0.084 R)
• M20: 2,434,705 km (0.12 R)
• M21: 2,613,774 km (0.116 R)
• M22: 2,784,166 km (0.087 R)
• M23: 2,971,612 km (0.096 R)
• M24: 3,067,056 km (0.112 R)
• M25: 3,253,903 km (0.106 R)
• M26: 3,380,613 km (0.098 R)
• M27: 3,588,255 km (0.112 R)
• M28: 3,682,651 km (0.1 R)
• M29: 3,792,755 km (0.058 R)
• M30: 3,903,906 km (0.051 R)
• M31: 3,993,665 km (0.073 R)
• M32: 4,144,609 km (0.076 R)
• M33: 4,297,648 km (0.079 R)
• M34: 4,452,631 km (0.058 R)
• M35: 4,744,048 km (0.066 R)
• M36: 5,017,513 km (0.11 R)
• M37: 5,098,894 km (0.084 R)
• M38: 5,320,897 km (0.117 R)
• M39: 5,495,927 km (0.082 R)
• M40: 5,605,133 km (0.097 R)
• M41: 5,732,142 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.6

Radius: 14.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.83 AU - 0.95 AU

Year: 551 Days

Day: 9.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 23,026,706 km

• M1: 194,627 km (0.115 R)
• M2: 343,626 km (0.098 R)
• M3: 562,937 km (0.094 R)
• M4: 667,655 km (0.056 R)
• M5: 861,684 km (0.093 R)
• M6: 961,466 km (0.107 R)
• M7: 1,065,586 km (0.085 R)
• M8: 1,168,509 km (0.105 R)
• M9: 1,292,376 km (0.071 R)
• M10: 1,409,212 km (0.114 R)
• M11: 1,535,921 km (0.1 R)
• M12: 1,660,387 km (0.114 R)
• M13: 1,840,652 km (0.113 R)
• M14: 1,960,031 km (0.061 R)
• M15: 2,242,322 km (0.074 R)
• M16: 2,406,731 km (0.116 R)
• M17: 2,516,087 km (0.085 R)
• M18: 2,664,787 km (0.116 R)
• M19: 2,862,406 km (0.092 R)
• M20: 2,994,351 km (0.03 R)
• M21: 3,248,518 km (0.05 R)
• M22: 3,394,525 km (0.109 R)
• M23: 3,517,944 km (0.101 R)
• M24: 3,643,007 km (0.063 R)
• M25: 3,794,999 km (0.1 R)
• M26: 3,966,438 km (0.099 R)
• M27: 4,166,899 km (0.106 R)
• M28: 4,335,047 km (0.109 R)
• M29: 4,523,540 km (0.078 R)
• M30: 4,641,723 km (0.102 R)
• M31: 5,039,653 km (0.098 R)
• M32: 5,238,169 km (0.093 R)
• M33: 5,545,743 km (0.093 R)
• M34: 5,731,094 km (0.1 R)
• M35: 5,829,530 km (0.049 R)
• M36: 6,098,208 km (0.113 R)
• M37: 6,391,270 km (0.078 R)
• M38: 6,596,219 km (0.113 R)
• M39: 6,699,441 km (0.083 R)
• M40: 6,876,266 km (0.108 R)
• M41: 6,991,606 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.4

Radius: 10.6

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.15 AU - 1.73 AU

Year: 1134 Days

Day: 13.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 23,026,706 km

• M1: 138,677 km (0.043 R)
• M2: 242,349 km (0.097 R)
• M3: 417,228 km (0.116 R)
• M4: 486,642 km (0.056 R)
• M5: 591,959 km (0.041 R)
• M6: 661,522 km (0.108 R)
• M7: 792,570 km (0.12 R)
• M8: 876,793 km (0.046 R)
• M9: 1,035,367 km (0.1 R)
• M10: 1,197,082 km (0.095 R)
• M11: 1,266,944 km (0.033 R)
• M12: 1,374,655 km (0.086 R)
• M13: 1,500,467 km (0.105 R)
• M14: 1,576,313 km (0.049 R)
• M15: 1,676,992 km (0.084 R)
• M16: 1,828,086 km (0.119 R)
• M17: 1,925,923 km (0.097 R)
• M18: 2,093,024 km (0.11 R)
• M19: 2,230,205 km (0.063 R)
• M20: 2,326,396 km (0.081 R)
• M21: 2,423,785 km (0.066 R)
• M22: 3,008,862 km (0.074 R)
• M23: 3,105,801 km (0.119 R)
• M24: 3,184,041 km (0.081 R)
• M25: 3,312,546 km (0.11 R)
• M26: 3,392,581 km (0.111 R)
• M27: 3,473,363 km (0.058 R)
• M28: 3,646,897 km (0.113 R)
• M29: 3,739,947 km (0.078 R)
• M30: 3,917,968 km (0.114 R)
• M31: 3,992,169 km (0.114 R)
• M32: 4,195,771 km (0.117 R)
• M33: 4,380,824 km (0.11 R)
• M34: 4,513,218 km (0.067 R)
• M35: 4,929,549 km (0.064 R)
• M36: 5,102,035 km (0.089 R)
• M37: 5,464,511 km (0.089 R)
• M38: 5,714,938 km (0.07 R)
• M39: 6,018,023 km (0.111 R)
• M40: 6,165,377 km (0.1 R)
• M41: 6,426,126 km (0.044 R)
• M42: 6,564,205 km (0.119 R)
• M43: 6,971,410 km (0.073 R)
• M44: 7,139,259 km (0.045 R)
• M45: 7,373,829 km (0.115 R)
• M46: 7,717,156 km (0.05 R)
• M47: 7,984,936 km (0.081 R)
• M48: 8,092,946 km (0.088 R)
• M49: 8,378,528 km (0.082 R)
• M50: 8,515,709 km (0.039 R)
• M51: 8,612,200 km (0.072 R)
• M52: 8,709,139 km (0.101 R)
• M53: 8,945,953 km (0.042 R)
• M54: 9,030,027 km (0.041 R)
• M55: 9,142,524 km (0.061 R)
• M56: 9,227,197 km (0.099 R)
• M57: 9,482,859 km (0.087 R)
• M58: 9,683,321 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.6

Radius: 9.8

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.69 AU - 3.01 AU

Year: 3156 Days

Day: 6.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 23,026,706 km

• M1: 247,136 km (0.088 R)
• M2: 319,092 km (0.064 R)
• M3: 834,307 km (0.108 R)
• M4: 941,569 km (0.09 R)
• M5: 1,046,138 km (0.109 R)
• M6: 1,194,689 km (0.036 R)
• M7: 1,350,270 km (0.103 R)
• M8: 1,417,889 km (0.088 R)
• M9: 1,600,996 km (0.104 R)
• M10: 1,952,252 km (0.109 R)
• M11: 2,137,006 km (0.102 R)
• M12: 2,368,284 km (0.069 R)
• M13: 2,954,558 km (0.083 R)
• M14: 3,304,467 km (0.086 R)
• M15: 3,385,250 km (0.084 R)
• M16: 3,525,573 km (0.088 R)
• M17: 3,619,969 km (0.051 R)
• M18: 3,739,498 km (0.076 R)
• M19: 3,945,494 km (0.085 R)
• M20: 4,056,047 km (0.075 R)
• M21: 4,192,630 km (0.116 R)
• M22: 4,547,177 km (0.115 R)
• M23: 4,845,774 km (0.099 R)
• M24: 5,585,536 km (0.071 R)
• M25: 6,317,219 km (0.094 R)
• M26: 6,548,348 km (0.111 R)
• M27: 6,826,600 km (0.108 R)
• M28: 7,455,509 km (0.09 R)
• M29: 8,228,032 km (0.113 R)
• M30: 8,385,709 km (0.081 R)
• M31: 8,528,425 km (0.09 R)
• M32: 8,752,074 km (0.098 R)
• M33: 8,945,205 km (0.113 R)
• M34: 9,026,137 km (0.116 R)
• M35: 9,107,369 km (0.064 R)
• M36: 9,237,669 km (0.086 R)
• M37: 9,516,818 km (0.114 R)
• M38: 9,698,879 km (0.105 R)
• M39: 10,592,427 km (0.115 R)
• M40: 10,798,423 km (0.111 R)
• M41: 10,919,149 km (0.101 R)
• M42: 11,196,952 km (0.096 R)
• M43: 11,389,185 km (0.1 R)
• M44: 11,459,496 km (0.099 R)
• M45: 11,706,333 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.6

Radius: 14.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.93 AU - 3.91 AU

Year: 4149 Days

Day: 13 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 23,026,706 km

• M1: 191,485 km (0.09 R)
• M2: 332,257 km (0.072 R)
• M3: 426,055 km (0.077 R)
• M4: 664,215 km (0.044 R)
• M5: 762,052 km (0.108 R)
• M6: 865,872 km (0.054 R)
• M7: 1,038,060 km (0.11 R)
• M8: 1,129,015 km (0.091 R)
• M9: 1,250,189 km (0.076 R)
• M10: 1,780,663 km (0.04 R)
• M11: 2,088,087 km (0.109 R)
• M12: 2,360,654 km (0.057 R)
• M13: 3,266,918 km (0.079 R)
• M14: 3,747,576 km (0.048 R)
• M15: 4,186,796 km (0.12 R)
• M16: 4,532,815 km (0.083 R)
• M17: 4,865,521 km (0.055 R)
• M18: 5,069,124 km (0.057 R)
• M19: 5,160,528 km (0.055 R)
• M20: 5,461,519 km (0.094 R)
• M21: 5,720,623 km (0.113 R)
• M22: 6,080,705 km (0.084 R)
• M23: 6,202,328 km (0.078 R)
• M24: 6,797,877 km (0.108 R)
• M25: 6,949,569 km (0.072 R)
• M26: 7,051,445 km (0.057 R)
• M27: 7,699,054 km (0.06 R)
• M28: 7,804,521 km (0.115 R)
• M29: 7,990,172 km (0.1 R)
• M30: 8,474,271 km (0.097 R)
• M31: 8,885,216 km (0.084 R)
• M32: 9,302,594 km (0.103 R)
• M33: 9,471,340 km (0.077 R)
• M34: 9,840,548 km (0.062 R)
• M35: 10,156,648 km (0.055 R)
• M36: 10,301,459 km (0.109 R)
• M37: 10,651,817 km (0.109 R)
• M38: 10,828,492 km (0.117 R)
• M39: 11,184,834 km (0.088 R)
• M40: 11,484,629 km (0.076 R)
• M41: 12,215,265 km (0.12 R)
• M42: 12,493,068 km (0.098 R)
• M43: 12,586,267 km (0.117 R)
• M44: 13,023,691 km (0.107 R)
• M45: 13,118,088 km (0.082 R)
• M46: 14,301,257 km (0.082 R)
• M47: 14,398,645 km (0.05 R)
• M48: 15,252,401 km (0.115 R)
• M49: 15,819,376 km (0.119 R)
• M50: 17,077,495 km (0.03 R)
• M51: 17,284,538 km (0.119 R)
• M52: 17,527,186 km (0.095 R)
• M53: 17,771,030 km (0.105 R)
• M54: 18,402,932 km (0.097 R)
• M55: 18,686,270 km (0.118 R)
• M56: 18,899,746 km (0.041 R)
• M57: 19,870,038 km (0.081 R)
• M58: 20,015,148 km (0.111 R)
• M59: 20,197,059 km (0.119 R)
• M60: 20,306,565 km (0.056 R)
• M61: 20,416,220 km (0.089 R)
• M62: 20,930,388 km (0.072 R)
• M63: 21,078,041 km (0.092 R)
• M64: 21,821,692 km (0.039 R)
• M65: 22,121,636 km (0.114 R)
• M66: 23,334,874 km (0.063 R)
• M67: 23,526,360 km (0.103 R)
• M68: 24,065,510 km (0.056 R)
• M69: 24,842,671 km (0.043 R)
• M70: 26,142,976 km (0.066 R)
• M71: 26,341,941 km (0.109 R)
• M72: 26,701,275 km (0.056 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.6

Radius: 10

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.57 AU - 4.03 AU

Year: 4859 Days

Day: 11.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 23,026,706 km

• M1: 132,394 km (0.094 R)
• M2: 231,727 km (0.079 R)
• M3: 604,226 km (0.105 R)
• M4: 671,994 km (0.085 R)
• M5: 773,870 km (0.079 R)
• M6: 837,748 km (0.091 R)
• M7: 982,858 km (0.096 R)
• M8: 1,088,325 km (0.115 R)
• M9: 1,160,879 km (0.039 R)
• M10: 1,247,796 km (0.089 R)
• M11: 1,336,956 km (0.096 R)
• M12: 1,441,525 km (0.07 R)
• M13: 1,631,514 km (0.085 R)
• M14: 1,743,862 km (0.063 R)
• M15: 2,172,759 km (0.073 R)
• M16: 2,328,341 km (0.107 R)
• M17: 2,407,479 km (0.109 R)
• M18: 2,601,357 km (0.113 R)
• M19: 2,867,791 km (0.105 R)
• M20: 3,178,207 km (0.076 R)
• M21: 3,337,528 km (0.067 R)
• M22: 3,409,186 km (0.061 R)
• M23: 3,499,393 km (0.119 R)
• M24: 3,963,147 km (0.085 R)
• M25: 4,115,587 km (0.075 R)
• M26: 4,446,198 km (0.065 R)
• M27: 4,866,568 km (0.034 R)
• M28: 5,071,218 km (0.066 R)
• M29: 5,362,635 km (0.076 R)
• M30: 5,659,437 km (0.073 R)
• M31: 5,788,390 km (0.092 R)
• M32: 5,939,933 km (0.049 R)
• M33: 6,202,926 km (0.112 R)
• M34: 6,447,369 km (0.087 R)
• M35: 6,559,567 km (0.101 R)
• M36: 7,716,857 km (0.106 R)
• M37: 8,100,426 km (0.111 R)
• M38: 8,490,278 km (0.067 R)
• M39: 8,786,631 km (0.091 R)
• M40: 9,237,669 km (0.093 R)
• M41: 9,465,955 km (0.114 R)
• M42: 9,928,362 km (0.115 R)
• M43: 10,529,745 km (0.041 R)
• M44: 11,494,951 km (0.089 R)
• M45: 11,932,973 km (0.103 R)
• M46: 12,292,756 km (0.117 R)
• M47: 12,460,156 km (0.116 R)
• M48: 12,544,081 km (0.111 R)
• M49: 12,712,528 km (0.041 R)
• M50: 13,279,504 km (0.083 R)
• M51: 13,623,728 km (0.062 R)
• M52: 14,087,183 km (0.111 R)
• M53: 15,448,374 km (0.099 R)
• M54: 15,628,938 km (0.113 R)
• M55: 16,114,084 km (0.097 R)
• M56: 16,542,682 km (0.091 R)
• M57: 16,696,618 km (0.045 R)
• M58: 16,912,937 km (0.076 R)
• M59: 17,161,419 km (0.084 R)
• M60: 17,504,896 km (0.086 R)
• M61: 17,756,220 km (0.104 R)
• M62: 18,167,165 km (0.102 R)
• M63: 18,581,103 km (0.1 R)
• M64: 19,127,285 km (0.102 R)
• M65: 19,224,224 km (0.051 R)
• M66: 19,353,776 km (0.105 R)
• M67: 19,515,940 km (0.1 R)
• M68: 20,896,878 km (0.113 R)
• M69: 21,599,090 km (0.119 R)
• M70: 22,071,520 km (0.106 R)
• M71: 22,275,123 km (0.099 R)
• M72: 22,513,283 km (0.109 R)
• M73: 22,786,598 km (0.069 R)
• M74: 22,889,372 km (0.087 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 19,387 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit