🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.64 AU - 0.68 AU

Year: 206 Days

Day: 20.1 Hours

Environment

Temp: 168 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.08 AU - 1.58 AU

Year: 591 Days

Day: 37.8 Hours

Environment

Temp: -53 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.84 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.9

Radius: 10.6

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.55 AU - 5.13 AU

Year: 3481 Days

Day: 10.4 Hours

Environment

Temp: -138 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 110,336,040 km

• M1: 138,827 km (0.09 R)
• M2: 496,815 km (0.072 R)
• M3: 827,426 km (0.057 R)
• M4: 2,894,569 km (0.081 R)
• M5: 3,539,785 km (0.075 R)
• M6: 4,720,561 km (0.091 R)
• M7: 5,669,759 km (0.073 R)
• M8: 7,180,847 km (0.062 R)
• M9: 8,469,932 km (0.111 R)
• M10: 8,870,406 km (0.069 R)
• M11: 10,393,162 km (0.09 R)
• M12: 11,108,839 km (0.064 R)
• M13: 11,544,916 km (0.12 R)
• M14: 12,083,319 km (0.073 R)
• M15: 13,749,839 km (0.092 R)
• M16: 15,083,355 km (0.115 R)
• M17: 16,111,092 km (0.066 R)
• M18: 17,416,932 km (0.102 R)
• M19: 20,173,572 km (0.117 R)
• M20: 20,889,248 km (0.077 R)
• M21: 23,994,601 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890

Radius: 8.6

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.62 AU - 7.06 AU

Year: 6887 Days

Day: 7.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 110,336,040 km

• M1: 117,584 km (0.046 R)
• M2: 413,339 km (0.056 R)
• M3: 734,974 km (0.113 R)
• M4: 1,048,831 km (0.113 R)
• M5: 1,636,451 km (0.117 R)
• M6: 2,118,007 km (0.087 R)
• M7: 2,809,598 km (0.053 R)
• M8: 4,777,109 km (0.054 R)
• M9: 6,548,946 km (0.11 R)
• M10: 7,881,863 km (0.052 R)
• M11: 8,210,380 km (0.109 R)
• M12: 9,992,091 km (0.101 R)
• M13: 11,856,828 km (0.084 R)
• M14: 16,327,411 km (0.11 R)
• M15: 16,794,605 km (0.099 R)
• M16: 18,321,251 km (0.117 R)
• M17: 22,050,277 km (0.057 R)
• M18: 22,457,034 km (0.026 R)
• M19: 23,538,327 km (0.108 R)
• M20: 25,804,436 km (0.114 R)
• M21: 35,765,560 km (0.105 R)
• M22: 36,667,336 km (0.119 R)
• M23: 37,931,886 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.3

Radius: 13.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.24 AU - 9.04 AU

Year: 8941 Days

Day: 14.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 110,336,040 km

• M1: 173,085 km (0.11 R)
• M2: 799,451 km (0.099 R)
• M3: 1,635,853 km (0.116 R)
• M4: 2,193,254 km (0.083 R)
• M5: 2,788,205 km (0.09 R)
• M6: 4,851,160 km (0.061 R)
• M7: 5,468,849 km (0.1 R)
• M8: 5,899,691 km (0.055 R)
• M9: 7,127,890 km (0.112 R)
• M10: 7,928,538 km (0.092 R)
• M11: 8,596,193 km (0.083 R)
• M12: 9,220,914 km (0.05 R)
• M13: 9,834,115 km (0.046 R)
• M14: 10,474,245 km (0.093 R)
• M15: 12,961,758 km (0.071 R)
• M16: 13,732,037 km (0.079 R)
• M17: 14,641,592 km (0.077 R)
• M18: 15,195,254 km (0.025 R)
• M19: 15,993,808 km (0.108 R)
• M20: 16,700,508 km (0.119 R)
• M21: 18,880,897 km (0.085 R)
• M22: 21,883,625 km (0.11 R)
• M23: 22,608,128 km (0.11 R)
• M24: 24,181,598 km (0.108 R)
• M25: 25,746,990 km (0.119 R)
• M26: 28,992,367 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.3

Radius: 8.7

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.24 AU - 9.72 AU

Year: 10361 Days

Day: 14.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 110,336,040 km

• M1: 108,159 km (0.099 R)
• M2: 396,883 km (0.086 R)
• M3: 1,225,356 km (0.057 R)
• M4: 2,399,550 km (0.076 R)
• M5: 3,528,415 km (0.102 R)
• M6: 7,017,935 km (0.079 R)
• M7: 7,292,148 km (0.088 R)
• M8: 7,820,528 km (0.097 R)
• M9: 8,115,535 km (0.11 R)
• M10: 11,168,528 km (0.082 R)
• M11: 13,067,075 km (0.098 R)
• M12: 13,543,394 km (0.057 R)
• M13: 15,965,234 km (0.106 R)
• M14: 16,304,074 km (0.073 R)
• M15: 21,320,090 km (0.091 R)
• M16: 22,824,596 km (0.077 R)
• M17: 23,866,246 km (0.076 R)
• M18: 25,857,693 km (0.09 R)
• M19: 33,588,312 km (0.068 R)
• M20: 44,710,465 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867.5

Radius: 3.9

Gravity: 57.03 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 17.2 AU - 20.12 AU

Year: 31034 Days

Day: 18.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 110,336,040 km

• M1: 49,517 km (0.086 R)
• M2: 239,057 km (0.045 R)
• M3: 377,884 km (0.035 R)
• M4: 735,573 km (0.096 R)
• M5: 1,026,690 km (0.064 R)
• M6: 2,628,584 km (0.099 R)
• M7: 3,334,088 km (0.092 R)
• M8: 3,696,414 km (0.104 R)
• M9: 3,834,493 km (0.045 R)
• M10: 3,976,012 km (0.05 R)
• M11: 4,120,973 km (0.084 R)
• M12: 7,649,687 km (0.06 R)
• M13: 9,252,329 km (0.109 R)
• M14: 10,994,845 km (0.088 R)
• M15: 13,917,389 km (0.103 R)
• M16: 20,045,965 km (0.038 R)
• M17: 20,688,787 km (0.066 R)
• M18: 26,588,329 km (0.091 R)
• M19: 27,103,693 km (0.12 R)
• M20: 27,757,137 km (0.089 R)
• M21: 33,367,655 km (0.071 R)
• M22: 34,421,423 km (0.056 R)
• M23: 35,497,032 km (0.108 R)
• M24: 38,039,447 km (0.103 R)
• M25: 51,187,155 km (0.099 R)
• M26: 63,566,379 km (0.05 R)
• M27: 65,650,128 km (0.066 R)
• M28: 70,934,224 km (0.105 R)
• M29: 71,428,196 km (0.085 R)
• M30: 79,380,819 km (0.109 R)
• M31: 88,759,109 km (0.098 R)
• M32: 104,168,289 km (0.035 R)
• M33: 104,806,473 km (0.066 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 428 - 14,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit