🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.48 AU - 0.56 AU

Year: 242 Days

Day: 39.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.58 AU - 0.68 AU

Year: 323 Days

Day: 14.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 115.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.61 AU - 0.73 AU

Year: 354 Days

Day: 32.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 44.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 30,888,586 km

• M1: 210,335 km (0.045 R)
• M2: 410,347 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.5

Radius: 14.4

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.58 AU - 0.94 AU

Year: 428 Days

Day: 5.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 101.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 30,888,586 km

• M1: 206,146 km (0.059 R)
• M2: 308,022 km (0.094 R)
• M3: 418,874 km (0.093 R)
• M4: 570,716 km (0.069 R)
• M5: 722,707 km (0.091 R)
• M6: 911,201 km (0.117 R)
• M7: 1,001,408 km (0.09 R)
• M8: 1,113,008 km (0.114 R)
• M9: 1,215,184 km (0.062 R)
• M10: 1,345,334 km (0.081 R)
• M11: 1,444,966 km (0.091 R)
• M12: 1,562,999 km (0.055 R)
• M13: 1,657,694 km (0.083 R)
• M14: 1,765,255 km (0.107 R)
• M15: 2,126,235 km (0.117 R)
• M16: 2,303,658 km (0.084 R)
• M17: 2,473,900 km (0.112 R)
• M18: 2,610,782 km (0.112 R)
• M19: 2,724,626 km (0.111 R)
• M20: 2,905,191 km (0.096 R)
• M21: 3,029,955 km (0.097 R)
• M22: 3,360,417 km (0.105 R)
• M23: 3,491,764 km (0.027 R)
• M24: 3,596,782 km (0.113 R)
• M25: 3,802,628 km (0.089 R)
• M26: 3,917,968 km (0.048 R)
• M27: 4,019,844 km (0.114 R)
• M28: 4,211,629 km (0.082 R)
• M29: 4,308,568 km (0.087 R)
• M30: 4,406,256 km (0.113 R)
• M31: 4,565,877 km (0.053 R)
• M32: 4,680,917 km (0.029 R)
• M33: 4,773,818 km (0.059 R)
• M34: 4,867,167 km (0.105 R)
• M35: 5,175,189 km (0.088 R)
• M36: 5,465,259 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.5

Radius: 12.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.78 AU - 1.26 AU

Year: 665 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 30,888,586 km

• M1: 156,928 km (0.052 R)
• M2: 239,506 km (0.085 R)
• M3: 373,995 km (0.104 R)
• M4: 457,620 km (0.074 R)
• M5: 578,345 km (0.098 R)
• M6: 693,985 km (0.049 R)
• M7: 799,601 km (0.114 R)
• M8: 901,327 km (0.117 R)
• M9: 1,018,462 km (0.072 R)
• M10: 1,212,790 km (0.09 R)
• M11: 1,390,213 km (0.087 R)
• M12: 1,473,389 km (0.05 R)
• M13: 1,607,728 km (0.047 R)
• M14: 1,720,675 km (0.069 R)
• M15: 1,856,061 km (0.059 R)
• M16: 1,995,187 km (0.092 R)
• M17: 2,277,029 km (0.098 R)
• M18: 2,362,001 km (0.096 R)
• M19: 2,455,350 km (0.084 R)
• M20: 2,557,376 km (0.057 R)
• M21: 2,788,205 km (0.046 R)
• M22: 2,879,460 km (0.067 R)
• M23: 3,143,650 km (0.088 R)
• M24: 3,246,723 km (0.118 R)
• M25: 3,423,846 km (0.06 R)
• M26: 3,562,972 km (0.044 R)
• M27: 3,670,683 km (0.11 R)
• M28: 3,771,063 km (0.034 R)
• M29: 3,914,976 km (0.117 R)
• M30: 4,026,277 km (0.101 R)
• M31: 4,278,200 km (0.11 R)
• M32: 4,366,313 km (0.118 R)
• M33: 4,446,198 km (0.065 R)
• M34: 4,598,339 km (0.072 R)
• M35: 4,688,696 km (0.101 R)
• M36: 4,834,554 km (0.113 R)
• M37: 5,196,282 km (0.11 R)
• M38: 5,451,945 km (0.06 R)
• M39: 5,731,244 km (0.089 R)
• M40: 5,838,356 km (0.056 R)
• M41: 6,104,341 km (0.098 R)
• M42: 6,183,778 km (0.105 R)
• M43: 6,364,193 km (0.094 R)
• M44: 6,485,367 km (0.098 R)
• M45: 6,750,604 km (0.112 R)
• M46: 6,967,371 km (0.058 R)
• M47: 7,061,019 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.9

Radius: 14.8

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.69 AU - 2.25 AU

Year: 1785 Days

Day: 7.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 30,888,586 km

• M1: 217,814 km (0.092 R)
• M2: 345,571 km (0.12 R)
• M3: 554,859 km (0.076 R)
• M4: 745,895 km (0.113 R)
• M5: 931,546 km (0.103 R)
• M6: 1,150,408 km (0.045 R)
• M7: 1,484,759 km (0.068 R)
• M8: 1,584,989 km (0.066 R)
• M9: 1,821,653 km (0.076 R)
• M10: 1,919,640 km (0.114 R)
• M11: 2,039,767 km (0.059 R)
• M12: 2,204,025 km (0.063 R)
• M13: 2,298,422 km (0.109 R)
• M14: 2,491,553 km (0.073 R)
• M15: 2,690,219 km (0.047 R)
• M16: 3,186,435 km (0.119 R)
• M17: 3,402,903 km (0.107 R)
• M18: 3,661,557 km (0.095 R)
• M19: 4,251,123 km (0.046 R)
• M20: 4,679,122 km (0.09 R)
• M21: 4,801,942 km (0.107 R)
• M22: 5,023,197 km (0.084 R)
• M23: 5,447,158 km (0.036 R)
• M24: 5,634,454 km (0.109 R)
• M25: 5,853,316 km (0.063 R)
• M26: 6,045,250 km (0.106 R)
• M27: 6,344,894 km (0.047 R)
• M28: 6,572,732 km (0.11 R)
• M29: 6,710,811 km (0.099 R)
• M30: 6,911,870 km (0.067 R)
• M31: 7,209,421 km (0.075 R)
• M32: 7,399,709 km (0.068 R)
• M33: 7,527,316 km (0.114 R)
• M34: 7,655,821 km (0.06 R)
• M35: 7,931,230 km (0.045 R)
• M36: 8,078,435 km (0.042 R)
• M37: 8,209,931 km (0.085 R)
• M38: 8,342,176 km (0.116 R)
• M39: 8,525,283 km (0.104 R)
• M40: 8,793,961 km (0.095 R)
• M41: 8,895,538 km (0.038 R)
• M42: 9,236,621 km (0.096 R)
• M43: 9,374,401 km (0.032 R)
• M44: 9,512,629 km (0.094 R)
• M45: 9,616,899 km (0.049 R)
• M46: 9,808,983 km (0.057 R)
• M47: 10,410,815 km (0.074 R)
• M48: 10,590,183 km (0.11 R)
• M49: 10,734,395 km (0.104 R)
• M50: 10,897,307 km (0.073 R)
• M51: 11,483,581 km (0.035 R)
• M52: 11,836,632 km (0.057 R)
• M53: 12,212,123 km (0.077 R)
• M54: 12,706,095 km (0.07 R)
• M55: 12,974,773 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.9

Radius: 13.2

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.44 AU - 4.08 AU

Year: 4708 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 30,888,586 km

• M1: 200,910 km (0.037 R)
• M2: 300,692 km (0.048 R)
• M3: 534,513 km (0.096 R)
• M4: 954,135 km (0.071 R)
• M5: 1,047,783 km (0.118 R)
• M6: 1,166,863 km (0.07 R)
• M7: 1,314,068 km (0.091 R)
• M8: 1,455,737 km (0.119 R)
• M9: 1,540,858 km (0.103 R)
• M10: 1,755,082 km (0.117 R)
• M11: 1,859,352 km (0.057 R)
• M12: 2,326,546 km (0.117 R)
• M13: 2,441,886 km (0.055 R)
• M14: 2,529,700 km (0.053 R)
• M15: 2,922,544 km (0.029 R)
• M16: 3,047,458 km (0.092 R)
• M17: 3,238,196 km (0.089 R)
• M18: 3,367,747 km (0.081 R)
• M19: 3,465,883 km (0.109 R)
• M20: 3,817,438 km (0.118 R)
• M21: 4,286,428 km (0.06 R)
• M22: 4,573,057 km (0.117 R)
• M23: 4,903,220 km (0.101 R)
• M24: 4,996,419 km (0.09 R)
• M25: 5,260,160 km (0.093 R)
• M26: 5,528,689 km (0.118 R)
• M27: 5,625,778 km (0.111 R)
• M28: 6,079,358 km (0.111 R)
• M29: 6,179,589 km (0.093 R)
• M30: 6,585,897 km (0.101 R)
• M31: 6,792,491 km (0.095 R)
• M32: 7,001,031 km (0.102 R)
• M33: 7,424,842 km (0.115 R)
• M34: 7,575,038 km (0.054 R)
• M35: 7,791,506 km (0.091 R)
• M36: 8,054,050 km (0.096 R)
• M37: 8,186,444 km (0.1 R)
• M38: 8,408,597 km (0.082 R)
• M39: 8,542,936 km (0.077 R)
• M40: 8,972,880 km (0.112 R)
• M41: 9,202,064 km (0.111 R)
• M42: 9,502,906 km (0.067 R)
• M43: 9,854,161 km (0.077 R)
• M44: 10,114,462 km (0.056 R)
• M45: 10,400,942 km (0.101 R)
• M46: 10,569,389 km (0.094 R)
• M47: 10,835,972 km (0.109 R)
• M48: 11,104,650 km (0.111 R)
• M49: 11,326,204 km (0.09 R)
• M50: 11,823,617 km (0.114 R)
• M51: 11,999,544 km (0.094 R)
• M52: 12,201,502 km (0.032 R)
• M53: 12,430,087 km (0.079 R)
• M54: 13,072,760 km (0.04 R)
• M55: 13,620,886 km (0.104 R)
• M56: 14,229,899 km (0.069 R)
• M57: 14,551,086 km (0.099 R)
• M58: 14,712,651 km (0.094 R)
• M59: 15,146,485 km (0.105 R)
• M60: 15,392,275 km (0.097 R)
• M61: 16,276,996 km (0.082 R)
• M62: 16,923,259 km (0.091 R)
• M63: 17,036,505 km (0.114 R)
• M64: 17,320,591 km (0.066 R)
• M65: 17,692,491 km (0.085 R)
• M66: 17,951,445 km (0.108 R)
• M67: 18,066,935 km (0.099 R)
• M68: 18,211,596 km (0.097 R)
• M69: 19,117,561 km (0.079 R)
• M70: 19,294,685 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.6

Radius: 8.2

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4 AU - 6.24 AU

Year: 7480 Days

Day: 12.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 30,888,586 km

• M1: 261,946 km (0.027 R)
• M2: 415,732 km (0.094 R)
• M3: 531,970 km (0.058 R)
• M4: 588,817 km (0.094 R)
• M5: 798,553 km (0.093 R)
• M6: 1,334,114 km (0.081 R)
• M7: 1,413,849 km (0.061 R)
• M8: 1,697,487 km (0.091 R)
• M9: 2,146,729 km (0.103 R)
• M10: 2,472,703 km (0.118 R)
• M11: 2,531,944 km (0.117 R)
• M12: 2,631,576 km (0.118 R)
• M13: 2,917,757 km (0.043 R)
• M14: 3,043,569 km (0.114 R)
• M15: 3,107,148 km (0.08 R)
• M16: 3,542,328 km (0.116 R)
• M17: 4,207,141 km (0.119 R)
• M18: 4,278,050 km (0.11 R)
• M19: 4,663,414 km (0.099 R)
• M20: 4,909,952 km (0.118 R)
• M21: 5,493,084 km (0.062 R)
• M22: 5,991,395 km (0.039 R)
• M23: 6,476,690 km (0.118 R)
• M24: 6,586,345 km (0.106 R)
• M25: 6,779,626 km (0.119 R)
• M26: 7,115,324 km (0.092 R)
• M27: 7,629,043 km (0.08 R)
• M28: 7,948,883 km (0.102 R)
• M29: 8,066,317 km (0.059 R)
• M30: 8,332,601 km (0.052 R)
• M31: 8,392,141 km (0.096 R)
• M32: 9,675,691 km (0.091 R)
• M33: 9,769,788 km (0.111 R)
• M34: 10,117,005 km (0.117 R)
• M35: 10,629,527 km (0.102 R)
• M36: 10,726,467 km (0.086 R)
• M37: 10,823,855 km (0.086 R)
• M38: 12,014,504 km (0.082 R)
• M39: 13,142,023 km (0.041 R)
• M40: 14,267,448 km (0.101 R)
• M41: 14,733,445 km (0.115 R)
• M42: 14,805,552 km (0.095 R)
• M43: 16,012,657 km (0.094 R)
• M44: 16,534,305 km (0.095 R)
• M45: 16,609,403 km (0.096 R)
• M46: 16,759,599 km (0.068 R)
• M47: 19,343,453 km (0.03 R)
• M48: 19,978,646 km (0.107 R)
• M49: 20,903,610 km (0.108 R)
• M50: 21,187,995 km (0.064 R)
• M51: 21,637,238 km (0.102 R)
• M52: 21,801,496 km (0.083 R)
• M53: 22,048,482 km (0.055 R)
• M54: 22,172,349 km (0.088 R)
• M55: 22,545,446 km (0.116 R)
• M56: 22,962,376 km (0.106 R)
• M57: 24,569,655 km (0.119 R)
• M58: 26,388,017 km (0.077 R)
• M59: 26,475,682 km (0.074 R)
• M60: 27,313,430 km (0.097 R)
• M61: 27,402,141 km (0.081 R)
• M62: 27,980,935 km (0.112 R)
• M63: 28,428,831 km (0.049 R)
• M64: 28,563,769 km (0.104 R)
• M65: 29,059,985 km (0.109 R)
• M66: 29,741,403 km (0.105 R)
• M67: 29,832,508 km (0.098 R)
• M68: 30,427,908 km (0.061 R)
• M69: 30,750,142 km (0.063 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 20,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit