🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.63 AU - 0.67 AU

Year: 232 Days

Day: 42.5 Hours

Environment

Temp: 12 °C

Axial Tilt: 95.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 109,363,256 km

• M1: 26,778 km (0.075 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.12 AU - 1.48 AU

Year: 657 Days

Day: 32.6 Hours

Environment

Temp: -92 °C

Axial Tilt: 5.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 109,363,256 km

• M1: 1,319,453 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.85 AU - 2.71 AU

Year: 1525 Days

Day: 28 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.6

Radius: 13.8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.78 AU - 2.84 AU

Year: 2086 Days

Day: 6 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 109,363,256 km

• M1: 171,888 km (0.117 R)
• M2: 702,063 km (0.119 R)
• M3: 1,157,140 km (0.104 R)
• M4: 1,686,866 km (0.052 R)
• M5: 2,337,916 km (0.089 R)
• M6: 2,968,770 km (0.037 R)
• M7: 3,477,851 km (0.099 R)
• M8: 4,227,037 km (0.09 R)
• M9: 4,657,281 km (0.108 R)
• M10: 5,777,021 km (0.104 R)
• M11: 6,452,156 km (0.118 R)
• M12: 7,632,334 km (0.059 R)
• M13: 8,249,874 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.1

Radius: 9.1

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.18 AU - 8.34 AU

Year: 7785 Days

Day: 7.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 109,363,256 km

• M1: 113,545 km (0.1 R)
• M2: 971,489 km (0.079 R)
• M3: 1,290,581 km (0.093 R)
• M4: 1,807,741 km (0.093 R)
• M5: 3,762,985 km (0.087 R)
• M6: 6,267,852 km (0.057 R)
• M7: 7,279,582 km (0.081 R)
• M8: 8,313,303 km (0.119 R)
• M9: 8,865,469 km (0.109 R)
• M10: 11,067,849 km (0.087 R)
• M11: 13,727,849 km (0.078 R)
• M12: 17,600,339 km (0.082 R)
• M13: 20,273,354 km (0.065 R)
• M14: 24,643,407 km (0.119 R)
• M15: 25,428,048 km (0.034 R)
• M16: 26,409,709 km (0.08 R)
• M17: 31,597,464 km (0.095 R)
• M18: 35,409,816 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.8

Radius: 12.9

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.45 AU - 8.01 AU

Year: 9519 Days

Day: 12 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 109,363,256 km

• M1: 162,014 km (0.101 R)
• M2: 769,083 km (0.084 R)
• M3: 1,189,602 km (0.102 R)
• M4: 1,769,294 km (0.087 R)
• M5: 2,232,748 km (0.03 R)
• M6: 4,082,825 km (0.099 R)
• M7: 5,321,495 km (0.071 R)
• M8: 6,082,350 km (0.085 R)
• M9: 6,836,024 km (0.083 R)
• M10: 9,183,813 km (0.092 R)
• M11: 9,921,780 km (0.104 R)
• M12: 11,460,394 km (0.071 R)
• M13: 14,609,130 km (0.114 R)
• M14: 15,478,443 km (0.105 R)
• M15: 16,311,254 km (0.066 R)
• M16: 18,218,178 km (0.065 R)
• M17: 23,901,850 km (0.102 R)
• M18: 25,583,629 km (0.082 R)
• M19: 27,143,786 km (0.115 R)
• M20: 30,884,480 km (0.028 R)
• M21: 36,875,277 km (0.11 R)
• M22: 38,611,510 km (0.117 R)
• M23: 42,112,997 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.4

Radius: 14.2

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.5 AU - 9.78 AU

Year: 10287 Days

Day: 14.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 109,363,256 km

• M1: 186,997 km (0.084 R)
• M2: 926,908 km (0.118 R)
• M3: 1,994,738 km (0.112 R)
• M4: 3,846,161 km (0.084 R)
• M5: 5,416,490 km (0.068 R)
• M6: 7,456,407 km (0.104 R)
• M7: 7,998,250 km (0.111 R)
• M8: 8,442,406 km (0.079 R)
• M9: 8,903,018 km (0.064 R)
• M10: 9,603,136 km (0.113 R)
• M11: 12,082,870 km (0.095 R)
• M12: 12,996,913 km (0.114 R)
• M13: 16,988,334 km (0.119 R)
• M14: 17,998,120 km (0.055 R)
• M15: 20,886,855 km (0.104 R)
• M16: 21,654,741 km (0.103 R)
• M17: 22,601,097 km (0.12 R)
• M18: 28,961,998 km (0.119 R)
• M19: 36,095,124 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.4

Radius: 5.9

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 12.88 AU - 15.42 AU

Year: 23576 Days

Day: 19.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 109,363,256 km

• M1: 73,602 km (0.115 R)
• M2: 332,706 km (0.067 R)
• M3: 632,051 km (0.046 R)
• M4: 1,529,040 km (0.087 R)
• M5: 1,828,385 km (0.085 R)
• M6: 2,202,081 km (0.092 R)
• M7: 3,055,836 km (0.12 R)
• M8: 3,710,177 km (0.096 R)
• M9: 3,894,182 km (0.107 R)
• M10: 6,268,899 km (0.063 R)
• M11: 7,401,055 km (0.076 R)
• M12: 9,811,526 km (0.092 R)
• M13: 10,164,577 km (0.085 R)
• M14: 12,347,509 km (0.112 R)
• M15: 12,938,570 km (0.082 R)
• M16: 15,695,958 km (0.113 R)
• M17: 20,326,311 km (0.107 R)
• M18: 23,038,371 km (0.1 R)
• M19: 24,114,728 km (0.105 R)
• M20: 24,480,794 km (0.097 R)
• M21: 25,886,715 km (0.078 R)
• M22: 30,108,516 km (0.093 R)
• M23: 30,746,701 km (0.048 R)
• M24: 31,394,011 km (0.05 R)
• M25: 32,160,550 km (0.114 R)
• M26: 34,074,057 km (0.047 R)
• M27: 35,587,538 km (0.112 R)
• M28: 42,488,189 km (0.111 R)
• M29: 46,321,185 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.7

Radius: 7.5

Gravity: 17.67 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 14.76 AU - 17.44 AU

Year: 28614 Days

Day: 18.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 109,363,256 km

• M1: 95,144 km (0.093 R)
• M2: 374,294 km (0.111 R)
• M3: 1,134,401 km (0.105 R)
• M4: 1,760,019 km (0.089 R)
• M5: 2,103,795 km (0.063 R)
• M6: 2,415,706 km (0.107 R)
• M7: 3,073,189 km (0.12 R)
• M8: 4,464,300 km (0.05 R)
• M9: 4,899,779 km (0.056 R)
• M10: 7,352,137 km (0.117 R)
• M11: 9,464,908 km (0.094 R)
• M12: 10,386,131 km (0.042 R)
• M13: 14,759,176 km (0.118 R)
• M14: 15,635,521 km (0.117 R)
• M15: 17,203,905 km (0.107 R)
• M16: 23,110,477 km (0.096 R)
• M17: 24,652,383 km (0.095 R)
• M18: 26,898,744 km (0.093 R)
• M19: 48,630,378 km (0.028 R)
• M20: 51,153,945 km (0.082 R)
• M21: 54,583,775 km (0.06 R)
• M22: 55,829,925 km (0.103 R)
• M23: 62,798,493 km (0.047 R)
• M24: 63,252,373 km (0.072 R)
• M25: 63,937,232 km (0.101 R)
• M26: 75,834,153 km (0.091 R)
• M27: 87,985,389 km (0.108 R)
• M28: 104,837,889 km (0.081 R)
• M29: 105,156,831 km (0.053 R)
• M30: 106,761,717 km (0.06 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 16,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit