🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.58 AU - 0.8 AU

Year: 252 Days

Day: 24.4 Hours

Environment

Temp: -8 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.71 AU - 0.87 AU

Year: 309 Days

Day: 24.2 Hours

Environment

Temp: -30 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.69 AU - 1.03 AU

Year: 351 Days

Day: 15.9 Hours

Environment

Temp: -57 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 97,446,535 km

• M1: 92,601 km (0.039 R)
• M2: 438,920 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.84 AU - 0.92 AU

Year: 363 Days

Day: 19.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 132.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.1 AU - 1.12 AU

Year: 514 Days

Day: 30.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,446,535 km

• M1: 1,062,594 km (0.075 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.09 AU - 1.47 AU

Year: 637 Days

Day: 17.5 Hours

Environment

Temp: -92 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 97,446,535 km

• M1: 114,143 km (0.112 R)
• M2: 329,115 km (0.097 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.24 AU - 1.36 AU

Year: 652 Days

Day: 15.2 Hours

Environment

Temp: -85 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,446,535 km

• M1: 206,595 km (0.057 R)

Planet 8 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.17 AU - 1.65 AU

Year: 736 Days

Day: 35.2 Hours

Environment

Temp: -84 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 691.7

Radius: 8

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 8.75 AU - 10.47 AU

Year: 13099 Days

Day: 19.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 97,446,535 km

• M1: 133,142 km (0.082 R)
• M2: 194,627 km (0.089 R)
• M3: 413,189 km (0.055 R)
• M4: 576,550 km (0.085 R)
• M5: 648,058 km (0.045 R)
• M6: 703,858 km (0.1 R)
• M7: 923,168 km (0.108 R)
• M8: 1,096,253 km (0.1 R)
• M9: 1,256,473 km (0.056 R)
• M10: 1,449,005 km (0.101 R)
• M11: 2,670,023 km (0.059 R)
• M12: 2,824,557 km (0.109 R)
• M13: 2,887,089 km (0.06 R)
• M14: 3,916,472 km (0.049 R)
• M15: 4,163,458 km (0.054 R)
• M16: 4,561,837 km (0.115 R)
• M17: 4,672,689 km (0.094 R)
• M18: 5,512,233 km (0.105 R)
• M19: 5,590,772 km (0.066 R)
• M20: 5,709,552 km (0.065 R)
• M21: 5,828,931 km (0.082 R)
• M22: 5,909,116 km (0.047 R)
• M23: 6,029,991 km (0.087 R)
• M24: 6,899,155 km (0.095 R)
• M25: 7,111,733 km (0.087 R)
• M26: 8,117,928 km (0.073 R)
• M27: 8,432,832 km (0.087 R)
• M28: 8,751,924 km (0.072 R)
• M29: 8,889,853 km (0.093 R)
• M30: 10,600,804 km (0.113 R)
• M31: 10,895,662 km (0.103 R)
• M32: 12,307,118 km (0.116 R)
• M33: 12,720,905 km (0.095 R)
• M34: 14,857,612 km (0.092 R)
• M35: 14,967,267 km (0.109 R)
• M36: 15,408,880 km (0.053 R)
• M37: 15,520,031 km (0.081 R)
• M38: 15,575,682 km (0.049 R)
• M39: 15,687,132 km (0.036 R)
• M40: 16,873,593 km (0.103 R)
• M41: 18,088,627 km (0.072 R)
• M42: 18,617,904 km (0.103 R)
• M43: 18,677,145 km (0.106 R)
• M44: 19,391,624 km (0.103 R)
• M45: 19,872,880 km (0.118 R)
• M46: 20,847,211 km (0.109 R)
• M47: 21,899,483 km (0.095 R)
• M48: 21,961,865 km (0.039 R)
• M49: 22,526,447 km (0.032 R)
• M50: 22,652,558 km (0.085 R)
• M51: 22,842,099 km (0.111 R)
• M52: 23,926,534 km (0.069 R)
• M53: 24,442,646 km (0.11 R)
• M54: 24,702,049 km (0.117 R)
• M55: 25,814,908 km (0.115 R)
• M56: 26,211,492 km (0.108 R)
• M57: 26,610,170 km (0.098 R)
• M58: 27,750,555 km (0.077 R)
• M59: 28,021,177 km (0.084 R)
• M60: 28,292,697 km (0.111 R)
• M61: 29,318,639 km (0.106 R)
• M62: 29,456,419 km (0.043 R)
• M63: 30,148,160 km (0.077 R)
• M64: 31,830,238 km (0.028 R)
• M65: 32,184,636 km (0.062 R)
• M66: 32,682,796 km (0.114 R)
• M67: 32,825,513 km (0.106 R)
• M68: 34,192,538 km (0.093 R)
• M69: 35,284,752 km (0.055 R)
• M70: 35,431,358 km (0.119 R)
• M71: 36,462,536 km (0.102 R)
• M72: 36,684,689 km (0.087 R)
• M73: 37,205,140 km (0.089 R)
• M74: 39,767,004 km (0.08 R)
• M75: 40,072,183 km (0.104 R)
• M76: 40,454,705 km (0.057 R)
• M77: 41,609,451 km (0.118 R)
• M78: 42,229,833 km (0.096 R)
• M79: 42,385,266 km (0.096 R)
• M80: 43,244,256 km (0.026 R)
• M81: 44,741,432 km (0.097 R)
• M82: 45,775,602 km (0.112 R)
• M83: 46,255,662 km (0.046 R)
• M84: 46,415,881 km (0.08 R)
• M85: 47,301,201 km (0.113 R)
• M86: 50,237,209 km (0.102 R)
• M87: 50,319,637 km (0.077 R)
• M88: 53,315,634 km (0.094 R)
• M89: 54,665,755 km (0.081 R)
• M90: 56,027,095 km (0.093 R)
• M91: 56,283,506 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846

Radius: 6.7

Gravity: 18.85 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 14.59 AU - 15.83 AU

Year: 26083 Days

Day: 17.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 97,446,535 km

• M1: 128,505 km (0.082 R)
• M2: 180,714 km (0.052 R)
• M3: 667,057 km (0.027 R)
• M4: 833,260 km (0.119 R)
• M5: 1,204,712 km (0.085 R)
• M6: 1,339,200 km (0.096 R)
• M7: 1,734,139 km (0.09 R)
• M8: 1,886,579 km (0.115 R)
• M9: 2,286,454 km (0.08 R)
• M10: 2,369,481 km (0.092 R)
• M11: 2,668,377 km (0.1 R)
• M12: 4,489,881 km (0.086 R)
• M13: 4,542,091 km (0.086 R)
• M14: 5,128,963 km (0.073 R)
• M15: 5,514,926 km (0.09 R)
• M16: 8,988,438 km (0.083 R)
• M17: 9,386,070 km (0.055 R)
• M18: 9,925,370 km (0.114 R)
• M19: 10,613,520 km (0.091 R)
• M20: 10,892,969 km (0.112 R)
• M21: 11,245,870 km (0.059 R)
• M22: 11,459,346 km (0.072 R)
• M23: 11,962,743 km (0.106 R)
• M24: 12,473,470 km (0.078 R)
• M25: 12,842,528 km (0.074 R)
• M26: 13,440,621 km (0.044 R)
• M27: 14,896,956 km (0.04 R)
• M28: 16,081,771 km (0.067 R)
• M29: 16,807,022 km (0.118 R)
• M30: 18,877,157 km (0.06 R)
• M31: 19,471,060 km (0.066 R)
• M32: 19,899,060 km (0.104 R)
• M33: 20,243,584 km (0.083 R)
• M34: 20,938,765 km (0.117 R)
• M35: 21,818,700 km (0.107 R)
• M36: 22,980,477 km (0.056 R)
• M37: 24,346,006 km (0.096 R)
• M38: 24,714,466 km (0.114 R)
• M39: 25,643,917 km (0.082 R)
• M40: 28,403,250 km (0.116 R)
• M41: 28,500,040 km (0.115 R)
• M42: 31,355,265 km (0.099 R)
• M43: 32,765,823 km (0.073 R)
• M44: 33,786,081 km (0.099 R)
• M45: 35,024,003 km (0.109 R)
• M46: 36,171,868 km (0.12 R)
• M47: 36,381,903 km (0.062 R)
• M48: 36,697,704 km (0.105 R)
• M49: 36,908,787 km (0.071 R)
• M50: 37,120,168 km (0.111 R)
• M51: 37,226,084 km (0.091 R)
• M52: 38,397,285 km (0.082 R)
• M53: 38,933,594 km (0.101 R)
• M54: 39,256,576 km (0.055 R)
• M55: 39,472,445 km (0.066 R)
• M56: 39,796,923 km (0.112 R)
• M57: 42,756,867 km (0.081 R)
• M58: 44,319,416 km (0.065 R)
• M59: 44,431,615 km (0.095 R)
• M60: 44,544,112 km (0.031 R)
• M61: 44,994,701 km (0.049 R)
• M62: 45,786,971 km (0.056 R)
• M63: 48,537,777 km (0.12 R)
• M64: 51,106,223 km (0.088 R)
• M65: 52,406,827 km (0.106 R)
• M66: 54,679,069 km (0.092 R)
• M67: 55,040,647 km (0.076 R)
• M68: 59,442,564 km (0.052 R)
• M69: 59,938,631 km (0.102 R)
• M70: 60,187,113 km (0.067 R)
• M71: 60,934,803 km (0.12 R)
• M72: 61,685,485 km (0.105 R)
• M73: 63,702,364 km (0.096 R)
• M74: 64,973,946 km (0.036 R)
• M75: 66,253,755 km (0.088 R)
• M76: 66,382,260 km (0.119 R)
• M77: 67,930,000 km (0.09 R)
• M78: 69,228,958 km (0.083 R)
• M79: 71,719,314 km (0.066 R)
• M80: 72,247,394 km (0.079 R)
• M81: 75,040,536 km (0.033 R)
• M82: 79,500,796 km (0.112 R)
• M83: 79,773,962 km (0.108 R)
• M84: 80,321,042 km (0.063 R)
• M85: 83,074,989 km (0.054 R)
• M86: 83,768,375 km (0.052 R)
• M87: 84,602,832 km (0.031 R)
• M88: 87,827,264 km (0.118 R)
• M89: 88,816,705 km (0.108 R)
• M90: 88,958,224 km (0.082 R)
• M91: 89,241,712 km (0.048 R)
• M92: 91,520,537 km (0.119 R)
• M93: 92,379,976 km (0.076 R)
• M94: 97,008,684 km (0.04 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 19,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit