🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.83 AU - 1.03 AU

Year: 343 Days

Day: 35.2 Hours

Environment

Temp: 13 °C

Axial Tilt: 20.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.92 AU - 1 AU

Year: 360 Days

Day: 30.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 43.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 101,120,271 km

• M1: 873,652 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.54 AU - 1.74 AU

Year: 804 Days

Day: 24.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.72 AU - 1.9 AU

Year: 932 Days

Day: 23.7 Hours

Environment

Temp: -63 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.7 AU - 2.14 AU

Year: 1019 Days

Day: 30 Hours

Environment

Temp: -68 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.6 AU - 4.34 AU

Year: 3029 Days

Day: 38.9 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.4

Radius: 3.7

Gravity: 38.23 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 11.2 AU - 15.54 AU

Year: 18718 Days

Day: 15.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 101,120,271 km

• M1: 144,661 km (0.046 R)
• M2: 248,482 km (0.085 R)
• M3: 598,242 km (0.045 R)
• M4: 659,876 km (0.108 R)
• M5: 745,446 km (0.078 R)
• M6: 857,495 km (0.093 R)
• M7: 1,048,083 km (0.078 R)
• M8: 1,225,356 km (0.089 R)
• M9: 1,522,906 km (0.114 R)
• M10: 1,579,305 km (0.105 R)
• M11: 1,993,541 km (0.103 R)
• M12: 2,149,273 km (0.055 R)
• M13: 2,276,730 km (0.1 R)
• M14: 2,505,615 km (0.092 R)
• M15: 2,673,763 km (0.108 R)
• M16: 4,625,865 km (0.101 R)
• M17: 4,749,134 km (0.088 R)
• M18: 5,381,335 km (0.084 R)
• M19: 5,773,281 km (0.098 R)
• M20: 7,144,495 km (0.108 R)
• M21: 8,210,679 km (0.11 R)
• M22: 8,459,760 km (0.082 R)
• M23: 8,762,097 km (0.104 R)
• M24: 8,863,674 km (0.118 R)
• M25: 9,325,482 km (0.098 R)
• M26: 10,218,881 km (0.061 R)
• M27: 10,594,521 km (0.063 R)
• M28: 10,648,676 km (0.066 R)
• M29: 11,249,161 km (0.114 R)
• M30: 11,470,267 km (0.081 R)
• M31: 11,860,718 km (0.027 R)
• M32: 12,029,314 km (0.055 R)
• M33: 12,369,051 km (0.09 R)
• M34: 12,826,821 km (0.112 R)
• M35: 16,058,434 km (0.03 R)
• M36: 16,432,279 km (0.052 R)
• M37: 16,620,323 km (0.116 R)
• M38: 16,998,357 km (0.109 R)
• M39: 17,315,654 km (0.085 R)
• M40: 18,149,662 km (0.11 R)
• M41: 19,128,033 km (0.103 R)
• M42: 20,526,473 km (0.108 R)
• M43: 20,661,411 km (0.114 R)
• M44: 21,067,719 km (0.102 R)
• M45: 21,340,136 km (0.097 R)
• M46: 21,476,869 km (0.094 R)
• M47: 21,682,416 km (0.097 R)
• M48: 24,842,222 km (0.104 R)
• M49: 25,927,106 km (0.096 R)
• M50: 27,471,704 km (0.105 R)
• M51: 28,743,585 km (0.112 R)
• M52: 29,045,773 km (0.113 R)
• M53: 29,121,469 km (0.093 R)
• M54: 29,197,166 km (0.037 R)
• M55: 30,034,765 km (0.055 R)
• M56: 31,034,677 km (0.091 R)
• M57: 31,422,285 km (0.086 R)
• M58: 31,655,508 km (0.056 R)
• M59: 31,967,419 km (0.051 R)
• M60: 33,860,431 km (0.103 R)
• M61: 34,099,488 km (0.042 R)
• M62: 34,820,400 km (0.063 R)
• M63: 37,012,757 km (0.069 R)
• M64: 37,423,703 km (0.097 R)
• M65: 38,167,054 km (0.064 R)
• M66: 38,415,985 km (0.118 R)
• M67: 39,836,567 km (0.078 R)
• M68: 40,341,908 km (0.084 R)
• M69: 44,286,954 km (0.109 R)
• M70: 45,336,084 km (0.064 R)
• M71: 46,216,617 km (0.099 R)
• M72: 46,305,029 km (0.112 R)
• M73: 47,548,038 km (0.096 R)
• M74: 49,794,848 km (0.111 R)
• M75: 50,248,279 km (0.097 R)
• M76: 50,703,206 km (0.083 R)
• M77: 50,976,821 km (0.045 R)
• M78: 51,068,076 km (0.105 R)
• M79: 51,800,507 km (0.086 R)
• M80: 52,444,077 km (0.057 R)
• M81: 52,813,135 km (0.094 R)
• M82: 52,997,888 km (0.078 R)
• M83: 54,297,744 km (0.106 R)
• M84: 54,670,991 km (0.093 R)
• M85: 54,764,489 km (0.086 R)
• M86: 54,951,487 km (0.064 R)
• M87: 55,232,581 km (0.086 R)
• M88: 60,951,857 km (0.045 R)
• M89: 61,145,736 km (0.051 R)
• M90: 62,020,734 km (0.113 R)
• M91: 63,291,867 km (0.117 R)
• M92: 63,390,003 km (0.084 R)
• M93: 65,264,016 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.2

Radius: 4.2

Gravity: 45.93 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 14.42 AU - 20.7 AU

Year: 28175 Days

Day: 17.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 101,120,271 km

• M1: 61,335 km (0.036 R)
• M2: 124,615 km (0.089 R)
• M3: 153,338 km (0.068 R)
• M4: 185,053 km (0.098 R)
• M5: 451,786 km (0.094 R)
• M6: 830,717 km (0.027 R)
• M7: 1,216,231 km (0.092 R)
• M8: 1,574,966 km (0.077 R)
• M9: 2,382,196 km (0.096 R)
• M10: 3,840,477 km (0.108 R)
• M11: 3,993,665 km (0.105 R)
• M12: 4,045,276 km (0.063 R)
• M13: 4,572,609 km (0.092 R)
• M14: 4,899,181 km (0.077 R)
• M15: 4,954,382 km (0.085 R)
• M16: 5,065,384 km (0.091 R)
• M17: 6,041,510 km (0.079 R)
• M18: 6,826,151 km (0.112 R)
• M19: 7,261,780 km (0.093 R)
• M20: 7,899,516 km (0.115 R)
• M21: 8,822,235 km (0.106 R)
• M22: 11,419,254 km (0.079 R)
• M23: 11,639,462 km (0.113 R)
• M24: 11,861,166 km (0.079 R)
• M25: 12,308,614 km (0.075 R)
• M26: 15,106,991 km (0.064 R)
• M27: 15,999,492 km (0.044 R)
• M28: 16,493,614 km (0.12 R)
• M29: 17,412,295 km (0.084 R)
• M30: 18,090,871 km (0.113 R)
• M31: 18,691,656 km (0.089 R)
• M32: 20,711,227 km (0.052 R)
• M33: 20,800,537 km (0.101 R)
• M34: 20,979,605 km (0.098 R)
• M35: 21,792,071 km (0.059 R)
• M36: 22,247,747 km (0.078 R)
• M37: 22,891,167 km (0.1 R)
• M38: 24,857,481 km (0.08 R)
• M39: 25,716,622 km (0.096 R)
• M40: 28,450,972 km (0.092 R)
• M41: 28,749,420 km (0.074 R)
• M42: 29,048,915 km (0.059 R)
• M43: 29,449,687 km (0.065 R)
• M44: 29,953,383 km (0.082 R)
• M45: 31,789,996 km (0.088 R)
• M46: 32,930,231 km (0.055 R)
• M47: 34,824,739 km (0.11 R)
• M48: 36,214,802 km (0.071 R)
• M49: 36,970,870 km (0.111 R)
• M50: 38,498,414 km (0.117 R)
• M51: 38,718,323 km (0.06 R)
• M52: 40,716,052 km (0.11 R)
• M53: 40,940,150 km (0.106 R)
• M54: 42,066,472 km (0.117 R)
• M55: 43,202,967 km (0.056 R)
• M56: 43,660,438 km (0.108 R)
• M57: 44,004,513 km (0.114 R)
• M58: 47,141,879 km (0.053 R)
• M59: 47,377,197 km (0.084 R)
• M60: 49,751,016 km (0.111 R)
• M61: 51,799,011 km (0.045 R)
• M62: 53,138,809 km (0.088 R)
• M63: 53,506,222 km (0.049 R)
• M64: 56,350,676 km (0.104 R)
• M65: 58,106,057 km (0.074 R)
• M66: 59,752,082 km (0.117 R)
• M67: 60,134,006 km (0.072 R)
• M68: 60,644,583 km (0.09 R)
• M69: 61,927,385 km (0.06 R)
• M70: 62,443,049 km (0.097 R)
• M71: 62,830,657 km (0.085 R)
• M72: 63,219,163 km (0.1 R)
• M73: 64,780,964 km (0.102 R)
• M74: 65,435,455 km (0.106 R)
• M75: 66,223,686 km (0.104 R)
• M76: 67,015,059 km (0.041 R)
• M77: 69,274,436 km (0.109 R)
• M78: 69,943,736 km (0.093 R)
• M79: 74,551,052 km (0.059 R)
• M80: 78,696,857 km (0.107 R)
• M81: 79,535,054 km (0.115 R)
• M82: 79,675,078 km (0.097 R)
• M83: 81,502,117 km (0.086 R)
• M84: 82,067,148 km (0.106 R)
• M85: 84,768,437 km (0.087 R)
• M86: 85,054,468 km (0.086 R)
• M87: 85,627,577 km (0.098 R)
• M88: 85,771,042 km (0.074 R)
• M89: 91,135,023 km (0.093 R)
• M90: 92,456,122 km (0.088 R)
• M91: 93,488,048 km (0.048 R)
• M92: 95,265,869 km (0.058 R)
• M93: 95,414,420 km (0.098 R)
• M94: 95,711,970 km (0.118 R)
• M95: 98,253,488 km (0.063 R)
• M96: 98,704,376 km (0.089 R)
• M97: 100,665,754 km (0.072 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 15,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit