🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.49 AU - 0.59 AU

Year: 144 Days

Day: 37.1 Hours

Environment

Temp: 164 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.66 AU - 0.9 AU

Year: 250 Days

Day: 28.5 Hours

Environment

Temp: 99 °C

Axial Tilt: 45.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 92,319,390 km

• M1: 494,870 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.49 AU - 1.99 AU

Year: 834 Days

Day: 22.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,319,390 km

• M1: 129,851 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.43 AU - 2.23 AU

Year: 900 Days

Day: 23.9 Hours

Environment

Temp: -49 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,319,390 km

• M1: 324,179 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.91 AU - 2.37 AU

Year: 1138 Days

Day: 37.2 Hours

Environment

Temp: -66 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.03 AU - 2.77 AU

Year: 1351 Days

Day: 44.6 Hours

Environment

Temp: -78 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.9

Radius: 12

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 9.56 AU - 12.22 AU

Year: 13061 Days

Day: 5.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 92,319,390 km

• M1: 158,275 km (0.092 R)
• M2: 261,048 km (0.118 R)
• M3: 394,340 km (0.093 R)
• M4: 480,508 km (0.071 R)
• M5: 558,449 km (0.087 R)
• M6: 901,028 km (0.077 R)
• M7: 1,422,825 km (0.101 R)
• M8: 1,591,422 km (0.104 R)
• M9: 1,818,362 km (0.101 R)
• M10: 1,922,632 km (0.074 R)
• M11: 2,192,357 km (0.104 R)
• M12: 2,331,932 km (0.077 R)
• M13: 3,074,386 km (0.1 R)
• M14: 3,586,160 km (0.061 R)
• M15: 3,818,486 km (0.086 R)
• M16: 4,159,270 km (0.099 R)
• M17: 4,403,563 km (0.085 R)
• M18: 4,833,657 km (0.114 R)
• M19: 5,734,086 km (0.118 R)
• M20: 5,889,219 km (0.106 R)
• M21: 6,564,055 km (0.049 R)
• M22: 7,096,773 km (0.031 R)
• M23: 7,179,950 km (0.088 R)
• M24: 7,643,404 km (0.087 R)
• M25: 7,771,609 km (0.114 R)
• M26: 8,073,199 km (0.113 R)
• M27: 8,378,827 km (0.077 R)
• M28: 8,822,086 km (0.081 R)
• M29: 9,363,929 km (0.103 R)
• M30: 9,823,943 km (0.064 R)
• M31: 11,540,129 km (0.099 R)
• M32: 12,633,989 km (0.111 R)
• M33: 12,785,681 km (0.101 R)
• M34: 12,938,121 km (0.061 R)
• M35: 14,178,587 km (0.091 R)
• M36: 14,388,922 km (0.115 R)
• M37: 15,187,325 km (0.111 R)
• M38: 15,456,751 km (0.051 R)
• M39: 15,781,977 km (0.114 R)
• M40: 17,442,214 km (0.102 R)
• M41: 19,682,442 km (0.091 R)
• M42: 20,153,227 km (0.111 R)
• M43: 20,746,682 km (0.105 R)
• M44: 21,466,546 km (0.091 R)
• M45: 21,708,446 km (0.094 R)
• M46: 22,992,594 km (0.069 R)
• M47: 23,612,678 km (0.11 R)
• M48: 24,427,238 km (0.105 R)
• M49: 25,059,887 km (0.041 R)
• M50: 28,502,733 km (0.092 R)
• M51: 29,302,633 km (0.057 R)
• M52: 29,974,925 km (0.117 R)
• M53: 30,720,222 km (0.114 R)
• M54: 30,856,356 km (0.035 R)
• M55: 31,061,006 km (0.064 R)
• M56: 31,197,738 km (0.08 R)
• M57: 31,540,317 km (0.115 R)
• M58: 32,506,121 km (0.082 R)
• M59: 32,714,362 km (0.104 R)
• M60: 32,853,488 km (0.066 R)
• M61: 34,820,999 km (0.093 R)
• M62: 35,390,219 km (0.047 R)
• M63: 36,034,088 km (0.081 R)
• M64: 36,537,634 km (0.074 R)
• M65: 37,188,535 km (0.054 R)
• M66: 37,697,467 km (0.096 R)
• M67: 38,722,062 km (0.079 R)
• M68: 39,164,124 km (0.104 R)
• M69: 40,127,385 km (0.109 R)
• M70: 42,077,243 km (0.028 R)
• M71: 43,216,282 km (0.085 R)
• M72: 43,981,176 km (0.096 R)
• M73: 44,442,386 km (0.091 R)
• M74: 44,596,472 km (0.066 R)
• M75: 45,136,969 km (0.099 R)
• M76: 45,369,444 km (0.073 R)
• M77: 46,302,785 km (0.066 R)
• M78: 47,793,677 km (0.117 R)
• M79: 48,664,038 km (0.071 R)
• M80: 49,140,956 km (0.086 R)
• M81: 50,099,429 km (0.088 R)
• M82: 51,953,845 km (0.118 R)
• M83: 52,116,158 km (0.065 R)
• M84: 53,748,570 km (0.036 R)
• M85: 54,488,631 km (0.106 R)
• M86: 54,901,222 km (0.067 R)
• M87: 55,397,587 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.5

Radius: 4.3

Gravity: 52.38 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 15.61 AU - 15.67 AU

Year: 22479 Days

Day: 24.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 137.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 92,319,390 km

• M1: 68,665 km (0.078 R)
• M2: 96,341 km (0.104 R)
• M3: 736,919 km (0.085 R)
• M4: 876,195 km (0.089 R)
• M5: 963,709 km (0.069 R)
• M6: 1,375,702 km (0.077 R)
• M7: 1,910,814 km (0.119 R)
• M8: 1,986,660 km (0.062 R)
• M9: 2,259,676 km (0.105 R)
• M10: 2,421,092 km (0.053 R)
• M11: 2,544,660 km (0.114 R)
• M12: 3,511,810 km (0.085 R)
• M13: 4,229,281 km (0.068 R)
• M14: 4,579,340 km (0.053 R)
• M15: 4,938,525 km (0.12 R)
• M16: 5,042,795 km (0.096 R)
• M17: 5,253,578 km (0.115 R)
• M18: 5,629,517 km (0.063 R)
• M19: 6,069,485 km (0.038 R)
• M20: 7,158,408 km (0.095 R)
• M21: 7,634,578 km (0.037 R)
• M22: 7,937,364 km (0.097 R)
• M23: 9,509,488 km (0.103 R)
• M24: 9,835,162 km (0.069 R)
• M25: 10,631,621 km (0.07 R)
• M26: 11,105,697 km (0.057 R)
• M27: 13,650,656 km (0.112 R)
• M28: 14,017,769 km (0.1 R)
• M29: 15,214,253 km (0.055 R)
• M30: 19,076,421 km (0.08 R)
• M31: 21,241,402 km (0.104 R)
• M32: 21,837,400 km (0.061 R)
• M33: 24,720,300 km (0.087 R)
• M34: 27,350,530 km (0.087 R)
• M35: 28,371,236 km (0.06 R)
• M36: 30,354,156 km (0.067 R)
• M37: 30,545,342 km (0.109 R)
• M38: 31,313,976 km (0.111 R)
• M39: 32,283,669 km (0.115 R)
• M40: 32,381,207 km (0.113 R)
• M41: 32,478,895 km (0.06 R)
• M42: 32,576,582 km (0.052 R)
• M43: 32,870,392 km (0.064 R)
• M44: 33,756,760 km (0.03 R)
• M45: 34,850,918 km (0.057 R)
• M46: 35,352,071 km (0.059 R)
• M47: 35,553,131 km (0.104 R)
• M48: 35,754,639 km (0.066 R)
• M49: 35,855,618 km (0.12 R)
• M50: 39,030,084 km (0.084 R)
• M51: 40,073,081 km (0.091 R)
• M52: 40,914,120 km (0.082 R)
• M53: 41,125,352 km (0.118 R)
• M54: 43,795,225 km (0.11 R)
• M55: 44,011,245 km (0.073 R)
• M56: 44,878,912 km (0.101 R)
• M57: 45,096,577 km (0.102 R)
• M58: 47,737,129 km (0.085 R)
• M59: 49,188,229 km (0.081 R)
• M60: 51,562,796 km (0.054 R)
• M61: 51,676,789 km (0.108 R)
• M62: 52,821,363 km (0.096 R)
• M63: 54,902,718 km (0.118 R)
• M64: 55,135,642 km (0.064 R)
• M65: 55,485,551 km (0.097 R)
• M66: 58,193,123 km (0.082 R)
• M67: 60,822,904 km (0.118 R)
• M68: 61,546,808 km (0.077 R)
• M69: 65,949,773 km (0.03 R)
• M70: 66,693,424 km (0.119 R)
• M71: 66,817,739 km (0.116 R)
• M72: 67,315,302 km (0.113 R)
• M73: 69,821,814 km (0.058 R)
• M74: 70,706,237 km (0.119 R)
• M75: 71,340,382 km (0.094 R)
• M76: 72,358,695 km (0.094 R)
• M77: 72,741,815 km (0.066 R)
• M78: 74,667,588 km (0.105 R)
• M79: 76,609,967 km (0.076 R)
• M80: 77,000,567 km (0.066 R)
• M81: 77,261,167 km (0.097 R)
• M82: 77,522,215 km (0.099 R)
• M83: 79,752,420 km (0.045 R)
• M84: 80,676,785 km (0.072 R)
• M85: 81,074,117 km (0.108 R)
• M86: 83,070,052 km (0.031 R)
• M87: 83,471,274 km (0.109 R)
• M88: 83,605,164 km (0.1 R)
• M89: 86,432,713 km (0.118 R)
• M90: 88,471,433 km (0.026 R)
• M91: 89,702,324 km (0.034 R)
• M92: 89,839,505 km (0.113 R)
• M93: 90,526,010 km (0.119 R)
• M94: 92,181,011 km (0.104 R)

Kuiper Belt

Range: 30.2 - 51.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 11,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit