🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.7 AU - 0.92 AU

Year: 281 Days

Day: 21.3 Hours

Environment

Temp: 23 °C

Axial Tilt: 5.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 66,825,148 km

• M1: 297,700 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.74 AU - 2.08 AU

Year: 1016 Days

Day: 21.9 Hours

Environment

Temp: -72 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.78 AU - 2.78 AU

Year: 1325 Days

Day: 46.7 Hours

Environment

Temp: -86 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.8

Radius: 10.1

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.17 AU - 6.43 AU

Year: 4698 Days

Day: 11.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 66,825,148 km

• M1: 126,560 km (0.113 R)
• M2: 203,304 km (0.095 R)
• M3: 295,306 km (0.079 R)
• M4: 408,552 km (0.109 R)
• M5: 550,520 km (0.06 R)
• M6: 686,505 km (0.046 R)
• M7: 796,459 km (0.044 R)
• M8: 860,337 km (0.097 R)
• M9: 926,011 km (0.044 R)
• M10: 1,148,762 km (0.085 R)
• M11: 1,388,867 km (0.055 R)
• M12: 1,499,270 km (0.03 R)
• M13: 1,779,467 km (0.049 R)
• M14: 2,058,616 km (0.098 R)
• M15: 2,221,977 km (0.098 R)
• M16: 2,296,028 km (0.069 R)
• M17: 2,619,758 km (0.112 R)
• M18: 2,757,388 km (0.104 R)
• M19: 2,837,124 km (0.052 R)
• M20: 2,978,643 km (0.047 R)
• M21: 3,081,118 km (0.097 R)
• M22: 3,353,236 km (0.108 R)
• M23: 3,567,909 km (0.102 R)
• M24: 3,676,816 km (0.108 R)
• M25: 4,056,047 km (0.119 R)
• M26: 4,124,264 km (0.06 R)
• M27: 4,215,818 km (0.089 R)
• M28: 4,354,345 km (0.075 R)
• M29: 4,541,642 km (0.101 R)
• M30: 5,267,341 km (0.119 R)
• M31: 6,159,393 km (0.075 R)
• M32: 6,396,356 km (0.109 R)
• M33: 6,933,562 km (0.082 R)
• M34: 7,541,378 km (0.091 R)
• M35: 7,653,876 km (0.07 R)
• M36: 7,880,217 km (0.088 R)
• M37: 7,994,211 km (0.106 R)
• M38: 8,807,874 km (0.097 R)
• M39: 9,075,056 km (0.084 R)
• M40: 9,586,830 km (0.097 R)
• M41: 9,800,456 km (0.068 R)
• M42: 10,325,544 km (0.095 R)
• M43: 10,828,193 km (0.066 R)
• M44: 11,210,416 km (0.102 R)
• M45: 11,274,444 km (0.036 R)
• M46: 12,682,758 km (0.068 R)
• M47: 13,018,306 km (0.084 R)
• M48: 13,119,434 km (0.072 R)
• M49: 14,076,711 km (0.069 R)
• M50: 15,375,819 km (0.063 R)
• M51: 15,949,527 km (0.079 R)
• M52: 16,094,038 km (0.102 R)
• M53: 16,238,998 km (0.059 R)
• M54: 16,713,074 km (0.082 R)
• M55: 17,228,738 km (0.1 R)
• M56: 17,974,334 km (0.04 R)
• M57: 18,237,925 km (0.08 R)
• M58: 18,883,141 km (0.119 R)
• M59: 18,997,733 km (0.097 R)
• M60: 19,151,071 km (0.065 R)
• M61: 19,535,836 km (0.099 R)
• M62: 19,613,178 km (0.11 R)
• M63: 19,729,266 km (0.071 R)
• M64: 19,962,190 km (0.12 R)
• M65: 20,745,186 km (0.065 R)
• M66: 21,418,526 km (0.113 R)
• M67: 22,543,352 km (0.108 R)
• M68: 22,827,588 km (0.11 R)
• M69: 23,563,759 km (0.071 R)
• M70: 23,852,184 km (0.091 R)
• M71: 24,058,928 km (0.115 R)
• M72: 24,850,001 km (0.06 R)
• M73: 24,975,664 km (0.082 R)
• M74: 25,438,220 km (0.101 R)
• M75: 25,691,789 km (0.086 R)
• M76: 27,360,254 km (0.109 R)
• M77: 28,142,052 km (0.079 R)
• M78: 28,623,458 km (0.071 R)
• M79: 28,711,272 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538.3

Radius: 7.8

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 12.96 AU - 13.54 AU

Year: 18569 Days

Day: 22.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 66,825,148 km

• M1: 271,819 km (0.084 R)
• M2: 515,365 km (0.047 R)
• M3: 865,573 km (0.105 R)
• M4: 1,077,703 km (0.083 R)
• M5: 1,306,438 km (0.093 R)
• M6: 1,440,179 km (0.037 R)
• M7: 1,663,828 km (0.104 R)
• M8: 2,367,386 km (0.12 R)
• M9: 2,767,411 km (0.049 R)
• M10: 2,836,226 km (0.095 R)
• M11: 3,406,792 km (0.113 R)
• M12: 3,517,794 km (0.106 R)
• M13: 3,781,385 km (0.091 R)
• M14: 4,327,567 km (0.104 R)
• M15: 4,528,776 km (0.067 R)
• M16: 7,601,816 km (0.06 R)
• M17: 8,139,620 km (0.044 R)
• M18: 9,097,047 km (0.094 R)
• M19: 9,562,894 km (0.089 R)
• M20: 9,719,972 km (0.112 R)
• M21: 10,089,628 km (0.061 R)
• M22: 10,410,366 km (0.119 R)
• M23: 10,734,246 km (0.103 R)
• M24: 11,837,979 km (0.108 R)
• M25: 12,006,576 km (0.116 R)
• M26: 12,403,309 km (0.092 R)
• M27: 12,631,895 km (0.115 R)
• M28: 13,035,210 km (0.038 R)
• M29: 13,209,492 km (0.059 R)
• M30: 13,618,941 km (0.084 R)
• M31: 13,677,733 km (0.054 R)
• M32: 13,736,675 km (0.069 R)
• M33: 14,993,447 km (0.114 R)
• M34: 15,175,956 km (0.112 R)
• M35: 16,286,571 km (0.103 R)
• M36: 16,599,679 km (0.114 R)
• M37: 16,851,602 km (0.111 R)
• M38: 16,978,012 km (0.09 R)
• M39: 19,373,672 km (0.064 R)
• M40: 19,439,795 km (0.1 R)
• M41: 19,772,051 km (0.066 R)
• M42: 19,838,622 km (0.06 R)
• M43: 20,779,743 km (0.083 R)
• M44: 21,255,613 km (0.077 R)
• M45: 21,529,228 km (0.087 R)
• M46: 21,804,039 km (0.119 R)
• M47: 22,218,425 km (0.107 R)
• M48: 23,406,382 km (0.115 R)
• M49: 24,902,361 km (0.064 R)
• M50: 25,552,812 km (0.054 R)
• M51: 25,625,517 km (0.063 R)
• M52: 26,062,642 km (0.093 R)
• M53: 26,355,554 km (0.077 R)
• M54: 27,166,525 km (0.078 R)
• M55: 29,191,481 km (0.088 R)
• M56: 29,648,054 km (0.078 R)
• M57: 31,342,399 km (0.1 R)
• M58: 31,653,713 km (0.112 R)
• M59: 34,823,841 km (0.118 R)
• M60: 35,469,954 km (0.088 R)
• M61: 35,551,036 km (0.065 R)
• M62: 35,632,118 km (0.081 R)
• M63: 36,119,957 km (0.084 R)
• M64: 37,102,366 km (0.103 R)
• M65: 37,266,924 km (0.1 R)
• M66: 39,933,207 km (0.106 R)
• M67: 40,694,211 km (0.078 R)
• M68: 41,289,312 km (0.067 R)
• M69: 41,374,582 km (0.05 R)
• M70: 41,801,684 km (0.059 R)
• M71: 42,316,301 km (0.112 R)
• M72: 42,832,862 km (0.07 R)
• M73: 43,178,433 km (0.103 R)
• M74: 43,351,518 km (0.058 R)
• M75: 44,133,466 km (0.112 R)
• M76: 46,507,285 km (0.083 R)
• M77: 47,575,414 km (0.063 R)
• M78: 50,190,235 km (0.118 R)
• M79: 51,928,562 km (0.108 R)
• M80: 54,152,335 km (0.084 R)
• M81: 55,463,859 km (0.067 R)
• M82: 56,407,074 km (0.118 R)
• M83: 56,691,160 km (0.057 R)
• M84: 57,736,401 km (0.066 R)
• M85: 58,022,731 km (0.048 R)
• M86: 58,309,360 km (0.097 R)
• M87: 58,884,115 km (0.065 R)
• M88: 58,980,157 km (0.118 R)
• M89: 59,172,241 km (0.031 R)
• M90: 59,942,820 km (0.085 R)
• M91: 64,437,338 km (0.089 R)
• M92: 66,425,195 km (0.102 R)
• M93: 66,525,126 km (0.096 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 20,173 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit