🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.42 AU - 0.62 AU

Year: 138 Days

Day: 16 Hours

Environment

Temp: 159 °C

Axial Tilt: 0.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.79 AU - 1.25 AU

Year: 378 Days

Day: 21.5 Hours

Environment

Temp: 39 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.1 AU - 1.68 AU

Year: 602 Days

Day: 40.1 Hours

Environment

Temp: -38 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.61 AU - 2.17 AU

Year: 954 Days

Day: 31.4 Hours

Environment

Temp: -60 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.84 AU - 4.64 AU

Year: 2655 Days

Day: 28.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.17 AU - 4.65 AU

Year: 3400 Days

Day: 19.7 Hours

Environment

Temp: -133 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,068,154 km

• M1: 102,325 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 13

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.76 AU - 5.78 AU

Year: 3824 Days

Day: 6.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 29,068,154 km

• M1: 166,054 km (0.107 R)
• M2: 253,269 km (0.087 R)
• M3: 482,004 km (0.071 R)
• M4: 627,264 km (0.074 R)
• M5: 744,698 km (0.102 R)
• M6: 930,499 km (0.05 R)
• M7: 1,406,669 km (0.106 R)
• M8: 1,671,906 km (0.045 R)
• M9: 1,986,061 km (0.106 R)
• M10: 2,336,420 km (0.111 R)
• M11: 2,510,402 km (0.092 R)
• M12: 2,598,964 km (0.1 R)
• M13: 2,816,180 km (0.073 R)
• M14: 3,001,681 km (0.119 R)
• M15: 3,764,182 km (0.06 R)
• M16: 3,845,712 km (0.028 R)
• M17: 3,927,991 km (0.047 R)
• M18: 4,094,045 km (0.094 R)
• M19: 4,220,306 km (0.092 R)
• M20: 4,347,763 km (0.076 R)
• M21: 4,498,109 km (0.109 R)
• M22: 4,606,567 km (0.085 R)
• M23: 4,737,914 km (0.113 R)
• M24: 4,870,607 km (0.08 R)
• M25: 5,094,555 km (0.069 R)
• M26: 5,185,062 km (0.105 R)
• M27: 5,739,472 km (0.097 R)
• M28: 7,232,758 km (0.119 R)
• M29: 7,334,784 km (0.04 R)
• M30: 7,773,554 km (0.12 R)
• M31: 8,062,128 km (0.099 R)
• M32: 8,327,515 km (0.083 R)
• M33: 8,839,738 km (0.113 R)
• M34: 9,003,697 km (0.049 R)
• M35: 9,141,028 km (0.085 R)
• M36: 9,334,608 km (0.052 R)
• M37: 9,417,934 km (0.114 R)
• M38: 9,866,578 km (0.086 R)
• M39: 10,065,244 km (0.073 R)
• M40: 10,322,403 km (0.086 R)
• M41: 10,901,795 km (0.076 R)
• M42: 11,048,401 km (0.098 R)
• M43: 11,313,788 km (0.108 R)
• M44: 11,521,579 km (0.075 R)
• M45: 11,760,786 km (0.109 R)
• M46: 11,911,132 km (0.103 R)
• M47: 12,031,858 km (0.119 R)
• M48: 13,012,172 km (0.039 R)
• M49: 13,198,871 km (0.042 R)
• M50: 13,449,148 km (0.091 R)
• M51: 14,177,689 km (0.059 R)
• M52: 14,401,937 km (0.101 R)
• M53: 14,951,410 km (0.048 R)
• M54: 15,277,832 km (0.116 R)
• M55: 15,573,737 km (0.055 R)
• M56: 16,037,789 km (0.075 R)
• M57: 16,877,632 km (0.117 R)
• M58: 17,081,384 km (0.083 R)
• M59: 17,354,251 km (0.105 R)
• M60: 17,663,021 km (0.085 R)
• M61: 17,973,586 km (0.105 R)
• M62: 18,460,228 km (0.039 R)
• M63: 19,163,038 km (0.055 R)
• M64: 19,946,333 km (0.071 R)
• M65: 20,378,072 km (0.106 R)
• M66: 20,812,804 km (0.043 R)
• M67: 21,323,830 km (0.073 R)
• M68: 21,617,790 km (0.067 R)
• M69: 22,172,499 km (0.06 R)
• M70: 22,395,699 km (0.104 R)
• M71: 22,844,343 km (0.113 R)
• M72: 23,409,374 km (0.037 R)
• M73: 23,598,765 km (0.117 R)
• M74: 24,668,539 km (0.042 R)
• M75: 25,209,485 km (0.069 R)
• M76: 25,364,768 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.4

Radius: 9.3

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4.78 AU - 5.56 AU

Year: 4315 Days

Day: 6.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 29,068,154 km

• M1: 129,103 km (0.113 R)
• M2: 244,144 km (0.037 R)
• M3: 401,371 km (0.106 R)
• M4: 499,358 km (0.044 R)
• M5: 674,986 km (0.114 R)
• M6: 884,423 km (0.053 R)
• M7: 1,003,951 km (0.1 R)
• M8: 1,583,793 km (0.11 R)
• M9: 1,730,847 km (0.117 R)
• M10: 1,797,718 km (0.084 R)
• M11: 1,865,336 km (0.073 R)
• M12: 1,951,205 km (0.052 R)
• M13: 2,056,223 km (0.102 R)
• M14: 2,271,644 km (0.078 R)
• M15: 2,363,646 km (0.113 R)
• M16: 2,666,432 km (0.04 R)
• M17: 2,882,003 km (0.094 R)
• M18: 3,062,568 km (0.109 R)
• M19: 3,144,098 km (0.089 R)
• M20: 3,669,785 km (0.051 R)
• M21: 4,155,081 km (0.101 R)
• M22: 4,222,849 km (0.096 R)
• M23: 4,336,543 km (0.082 R)
• M24: 4,474,472 km (0.106 R)
• M25: 4,567,223 km (0.096 R)
• M26: 4,707,546 km (0.096 R)
• M27: 4,849,215 km (0.103 R)
• M28: 5,679,184 km (0.064 R)
• M29: 5,830,278 km (0.074 R)
• M30: 6,033,731 km (0.084 R)
• M31: 6,447,668 km (0.077 R)
• M32: 6,605,344 km (0.061 R)
• M33: 6,817,624 km (0.095 R)
• M34: 7,357,822 km (0.077 R)
• M35: 8,250,921 km (0.064 R)
• M36: 8,364,915 km (0.053 R)
• M37: 8,710,336 km (0.102 R)
• M38: 9,119,037 km (0.095 R)
• M39: 9,207,450 km (0.052 R)
• M40: 9,474,332 km (0.116 R)
• M41: 9,713,839 km (0.089 R)
• M42: 10,016,026 km (0.093 R)
• M43: 10,660,494 km (0.082 R)
• M44: 10,722,577 km (0.087 R)
• M45: 11,034,937 km (0.076 R)
• M46: 11,796,540 km (0.093 R)
• M47: 11,892,881 km (0.108 R)
• M48: 12,151,237 km (0.074 R)
• M49: 12,937,523 km (0.094 R)
• M50: 13,070,067 km (0.036 R)
• M51: 13,943,270 km (0.066 R)
• M52: 14,147,471 km (0.097 R)
• M53: 14,558,865 km (0.076 R)
• M54: 15,113,424 km (0.08 R)
• M55: 15,428,328 km (0.059 R)
• M56: 16,926,849 km (0.107 R)
• M57: 17,108,312 km (0.103 R)
• M58: 17,327,024 km (0.085 R)
• M59: 17,509,982 km (0.089 R)
• M60: 17,766,991 km (0.071 R)
• M61: 17,840,743 km (0.1 R)
• M62: 18,396,798 km (0.093 R)
• M63: 18,471,298 km (0.119 R)
• M64: 18,770,643 km (0.06 R)
• M65: 19,336,123 km (0.064 R)
• M66: 19,792,546 km (0.109 R)
• M67: 20,561,031 km (0.062 R)
• M68: 20,716,014 km (0.053 R)
• M69: 21,182,909 km (0.117 R)
• M70: 21,574,706 km (0.063 R)
• M71: 21,653,394 km (0.115 R)
• M72: 21,889,908 km (0.111 R)
• M73: 22,365,630 km (0.079 R)
• M74: 23,085,495 km (0.082 R)
• M75: 23,529,052 km (0.1 R)
• M76: 24,302,024 km (0.101 R)
• M77: 25,872,802 km (0.1 R)
• M78: 26,123,827 km (0.045 R)
• M79: 27,305,950 km (0.033 R)
• M80: 27,732,304 km (0.104 R)
• M81: 28,075,032 km (0.112 R)
• M82: 28,937,913 km (0.118 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 12,524 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit