🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.91 AU - 1.03 AU

Year: 345 Days

Day: 21.8 Hours

Environment

Temp: 66 °C

Axial Tilt: 25.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.2

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.01 AU - 1.43 AU

Year: 487 Days

Day: 41.2 Hours

Environment

Temp: 4 °C

Axial Tilt: 48.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.93 AU - 2.01 AU

Year: 1000 Days

Day: 29.5 Hours

Environment

Temp: -55 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.18 AU - 3.08 AU

Year: 1542 Days

Day: 43.3 Hours

Environment

Temp: -91 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.4

Radius: 9.1

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.13 AU - 6.31 AU

Year: 4313 Days

Day: 14.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 85,829,560 km

• M1: 257,757 km (0.109 R)
• M2: 440,865 km (0.099 R)
• M3: 617,690 km (0.081 R)
• M4: 737,218 km (0.107 R)
• M5: 893,249 km (0.075 R)
• M6: 960,718 km (0.048 R)
• M7: 1,050,177 km (0.104 R)
• M8: 1,174,194 km (0.099 R)
• M9: 1,425,518 km (0.116 R)
• M10: 1,622,539 km (0.095 R)
• M11: 1,682,228 km (0.119 R)
• M12: 2,252,495 km (0.091 R)
• M13: 2,346,293 km (0.073 R)
• M14: 2,720,736 km (0.071 R)
• M15: 2,849,839 km (0.081 R)
• M16: 3,143,949 km (0.105 R)
• M17: 3,264,375 km (0.105 R)
• M18: 3,325,112 km (0.109 R)
• M19: 3,793,204 km (0.035 R)
• M20: 3,905,552 km (0.086 R)
• M21: 3,986,334 km (0.101 R)
• M22: 4,265,484 km (0.119 R)
• M23: 4,449,489 km (0.064 R)
• M24: 4,619,133 km (0.077 R)
• M25: 4,790,872 km (0.028 R)
• M26: 5,122,979 km (0.096 R)
• M27: 5,444,615 km (0.092 R)
• M28: 5,517,020 km (0.103 R)
• M29: 5,681,129 km (0.102 R)
• M30: 6,126,332 km (0.06 R)
• M31: 6,296,275 km (0.102 R)
• M32: 6,602,203 km (0.07 R)
• M33: 6,660,097 km (0.052 R)
• M34: 6,913,067 km (0.049 R)
• M35: 7,050,548 km (0.062 R)
• M36: 7,388,340 km (0.096 R)
• M37: 7,488,570 km (0.099 R)
• M38: 7,609,595 km (0.112 R)
• M39: 7,670,332 km (0.055 R)
• M40: 7,997,203 km (0.098 R)
• M41: 8,203,648 km (0.066 R)
• M42: 8,412,038 km (0.113 R)
• M43: 8,876,539 km (0.082 R)
• M44: 8,940,567 km (0.046 R)
• M45: 9,349,418 km (0.093 R)
• M46: 9,545,242 km (0.107 R)
• M47: 10,252,391 km (0.102 R)
• M48: 10,319,560 km (0.118 R)
• M49: 10,839,563 km (0.117 R)
• M50: 11,068,148 km (0.064 R)
• M51: 11,507,068 km (0.1 R)
• M52: 12,022,582 km (0.106 R)
• M53: 12,402,112 km (0.117 R)
• M54: 12,545,427 km (0.1 R)
• M55: 12,665,255 km (0.11 R)
• M56: 12,954,577 km (0.104 R)
• M57: 13,027,282 km (0.072 R)
• M58: 13,100,136 km (0.073 R)
• M59: 13,246,143 km (0.057 R)
• M60: 13,934,593 km (0.041 R)
• M61: 14,058,759 km (0.058 R)
• M62: 14,133,408 km (0.033 R)
• M63: 15,014,540 km (0.095 R)
• M64: 15,603,208 km (0.105 R)
• M65: 15,706,430 km (0.08 R)
• M66: 15,783,922 km (0.095 R)
• M67: 15,861,563 km (0.095 R)
• M68: 16,095,235 km (0.091 R)
• M69: 16,199,505 km (0.116 R)
• M70: 16,461,002 km (0.05 R)
• M71: 16,723,995 km (0.083 R)
• M72: 17,014,963 km (0.032 R)
• M73: 17,227,541 km (0.099 R)
• M74: 17,441,017 km (0.117 R)
• M75: 17,789,730 km (0.082 R)
• M76: 18,113,759 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 13.2

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.9 AU - 6.84 AU

Year: 5143 Days

Day: 6.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 85,829,560 km

• M1: 171,738 km (0.105 R)
• M2: 377,585 km (0.031 R)
• M3: 583,132 km (0.113 R)
• M4: 695,929 km (0.078 R)
• M5: 792,570 km (0.071 R)
• M6: 1,155,494 km (0.086 R)
• M7: 1,303,297 km (0.087 R)
• M8: 1,426,416 km (0.041 R)
• M9: 1,553,723 km (0.113 R)
• M10: 1,668,315 km (0.109 R)
• M11: 1,923,829 km (0.052 R)
• M12: 2,012,091 km (0.041 R)
• M13: 2,550,494 km (0.055 R)
• M14: 2,687,227 km (0.071 R)
• M15: 3,070,945 km (0.08 R)
• M16: 3,195,710 km (0.04 R)
• M17: 3,515,400 km (0.052 R)
• M18: 4,209,086 km (0.091 R)
• M19: 4,896,338 km (0.081 R)
• M20: 5,191,046 km (0.077 R)
• M21: 5,695,191 km (0.114 R)
• M22: 6,005,158 km (0.084 R)
• M23: 6,109,876 km (0.111 R)
• M24: 6,480,879 km (0.091 R)
• M25: 6,588,141 km (0.119 R)
• M26: 6,804,758 km (0.051 R)
• M27: 7,106,348 km (0.058 R)
• M28: 7,328,500 km (0.092 R)
• M29: 7,751,264 km (0.101 R)
• M30: 7,922,554 km (0.119 R)
• M31: 8,037,445 km (0.032 R)
• M32: 8,210,978 km (0.077 R)
• M33: 8,532,165 km (0.051 R)
• M34: 8,857,690 km (0.11 R)
• M35: 9,096,897 km (0.063 R)
• M36: 9,217,323 km (0.116 R)
• M37: 11,054,983 km (0.118 R)
• M38: 11,248,114 km (0.099 R)
• M39: 11,735,803 km (0.089 R)
• M40: 12,564,127 km (0.102 R)
• M41: 12,799,594 km (0.116 R)
• M42: 12,934,681 km (0.109 R)
• M43: 13,172,242 km (0.09 R)
• M44: 13,274,567 km (0.092 R)
• M45: 13,583,038 km (0.076 R)
• M46: 14,382,190 km (0.081 R)
• M47: 14,734,343 km (0.087 R)
• M48: 15,447,327 km (0.104 R)
• M49: 16,025,821 km (0.106 R)
• M50: 16,281,185 km (0.12 R)
• M51: 16,537,895 km (0.108 R)
• M52: 16,685,249 km (0.083 R)
• M53: 16,906,953 km (0.115 R)
• M54: 17,129,704 km (0.102 R)
• M55: 17,241,454 km (0.029 R)
• M56: 17,615,598 km (0.112 R)
• M57: 17,728,395 km (0.056 R)
• M58: 18,106,129 km (0.106 R)
• M59: 19,139,252 km (0.031 R)
• M60: 19,410,324 km (0.099 R)
• M61: 20,073,641 km (0.08 R)
• M62: 20,191,524 km (0.075 R)
• M63: 20,823,874 km (0.027 R)
• M64: 21,865,524 km (0.12 R)
• M65: 22,719,129 km (0.102 R)
• M66: 22,965,068 km (0.063 R)
• M67: 23,294,184 km (0.032 R)
• M68: 23,376,762 km (0.116 R)
• M69: 23,459,489 km (0.076 R)
• M70: 25,685,206 km (0.066 R)
• M71: 27,104,741 km (0.065 R)
• M72: 27,627,286 km (0.097 R)
• M73: 27,933,662 km (0.072 R)
• M74: 28,109,290 km (0.1 R)
• M75: 28,992,666 km (0.071 R)
• M76: 29,214,968 km (0.055 R)
• M77: 29,527,029 km (0.028 R)
• M78: 29,750,678 km (0.091 R)
• M79: 30,019,805 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.7

Radius: 4.3

Gravity: 41.47 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 11.84 AU - 19.7 AU

Year: 22648 Days

Day: 17.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 85,829,560 km

• M1: 152,440 km (0.091 R)
• M2: 243,545 km (0.077 R)
• M3: 455,376 km (0.096 R)
• M4: 591,211 km (0.079 R)
• M5: 791,822 km (0.112 R)
• M6: 1,574,518 km (0.08 R)
• M7: 1,745,209 km (0.115 R)
• M8: 2,486,167 km (0.117 R)
• M9: 2,806,755 km (0.104 R)
• M10: 3,013,649 km (0.102 R)
• M11: 3,442,397 km (0.097 R)
• M12: 3,619,072 km (0.062 R)
• M13: 4,498,707 km (0.1 R)
• M14: 5,959,979 km (0.057 R)
• M15: 6,172,109 km (0.037 R)
• M16: 6,658,601 km (0.101 R)
• M17: 6,934,161 km (0.034 R)
• M18: 7,101,411 km (0.105 R)
• M19: 7,553,496 km (0.073 R)
• M20: 8,664,409 km (0.09 R)
• M21: 9,086,275 km (0.1 R)
• M22: 9,269,234 km (0.085 R)
• M23: 9,950,203 km (0.03 R)
• M24: 13,241,805 km (0.101 R)
• M25: 14,644,136 km (0.043 R)
• M26: 14,858,509 km (0.076 R)
• M27: 15,362,804 km (0.12 R)
• M28: 15,580,618 km (0.1 R)
• M29: 18,196,487 km (0.12 R)
• M30: 18,503,910 km (0.111 R)
• M31: 19,046,203 km (0.068 R)
• M32: 19,436,803 km (0.112 R)
• M33: 19,672,270 km (0.092 R)
• M34: 20,544,126 km (0.105 R)
• M35: 21,590,713 km (0.073 R)
• M36: 21,834,707 km (0.061 R)
• M37: 22,243,408 km (0.112 R)
• M38: 22,489,796 km (0.106 R)
• M39: 22,572,075 km (0.088 R)
• M40: 24,239,792 km (0.047 R)
• M41: 25,774,217 km (0.099 R)
• M42: 25,946,703 km (0.106 R)
• M43: 30,562,097 km (0.065 R)
• M44: 31,018,969 km (0.026 R)
• M45: 31,754,841 km (0.105 R)
• M46: 35,806,849 km (0.077 R)
• M47: 35,999,232 km (0.065 R)
• M48: 36,772,353 km (0.08 R)
• M49: 37,160,859 km (0.095 R)
• M50: 37,942,059 km (0.098 R)
• M51: 38,236,318 km (0.048 R)
• M52: 38,827,379 km (0.117 R)
• M53: 39,719,431 km (0.082 R)
• M54: 40,417,904 km (0.038 R)
• M55: 40,618,215 km (0.116 R)
• M56: 41,120,565 km (0.079 R)
• M57: 43,867,930 km (0.075 R)
• M58: 44,693,261 km (0.072 R)
• M59: 46,254,614 km (0.115 R)
• M60: 48,151,815 km (0.088 R)
• M61: 48,683,186 km (0.08 R)
• M62: 52,239,277 km (0.114 R)
• M63: 52,894,815 km (0.104 R)
• M64: 53,663,000 km (0.103 R)
• M65: 53,883,208 km (0.099 R)
• M66: 54,213,969 km (0.115 R)
• M67: 54,656,180 km (0.055 R)
• M68: 57,333,833 km (0.025 R)
• M69: 59,256,315 km (0.073 R)
• M70: 60,970,108 km (0.103 R)
• M71: 63,862,284 km (0.067 R)
• M72: 65,854,479 km (0.107 R)
• M73: 67,985,800 km (0.044 R)
• M74: 68,581,947 km (0.092 R)
• M75: 69,179,740 km (0.09 R)
• M76: 70,139,859 km (0.059 R)
• M77: 70,862,716 km (0.084 R)
• M78: 71,951,789 km (0.095 R)
• M79: 72,559,306 km (0.1 R)
• M80: 72,680,929 km (0.057 R)
• M81: 73,046,396 km (0.055 R)
• M82: 76,362,981 km (0.09 R)
• M83: 78,226,671 km (0.104 R)
• M84: 79,979,659 km (0.09 R)
• M85: 81,365,983 km (0.057 R)
• M86: 83,396,624 km (0.036 R)

Kuiper Belt

Range: 30.3 - 53.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 16,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit