🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.69 AU - 0.97 AU

Year: 285 Days

Day: 31.5 Hours

Environment

Temp: 102 °C

Axial Tilt: 17.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 111,929,496 km

• M1: 686,355 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.4 AU - 1.68 AU

Year: 720 Days

Day: 26.8 Hours

Environment

Temp: -59 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.71 AU - 2.11 AU

Year: 994 Days

Day: 39.2 Hours

Environment

Temp: -65 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.71 AU - 2.35 AU

Year: 1090 Days

Day: 40.5 Hours

Environment

Temp: -72 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.59 AU - 2.55 AU

Year: 1122 Days

Day: 37.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.4

Radius: 8.8

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.59 AU - 8.07 AU

Year: 8254 Days

Day: 8.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 111,929,496 km

• M1: 109,506 km (0.075 R)
• M2: 866,920 km (0.101 R)
• M3: 1,340,995 km (0.06 R)
• M4: 1,923,529 km (0.112 R)
• M5: 6,520,522 km (0.085 R)
• M6: 7,228,420 km (0.074 R)
• M7: 9,534,321 km (0.103 R)
• M8: 11,557,333 km (0.107 R)
• M9: 16,798,794 km (0.09 R)
• M10: 20,001,983 km (0.104 R)
• M11: 26,070,421 km (0.052 R)
• M12: 30,980,971 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836.8

Radius: 3.8

Gravity: 57.95 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 10.85 AU - 17.07 AU

Year: 19650 Days

Day: 24.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 111,929,496 km

• M1: 48,320 km (0.065 R)
• M2: 388,805 km (0.1 R)
• M3: 607,068 km (0.086 R)
• M4: 759,808 km (0.106 R)
• M5: 1,379,442 km (0.08 R)
• M6: 2,194,750 km (0.049 R)
• M7: 2,606,444 km (0.107 R)
• M8: 2,908,183 km (0.027 R)
• M9: 3,795,597 km (0.03 R)
• M10: 4,018,498 km (0.071 R)
• M11: 6,214,445 km (0.094 R)
• M12: 6,390,223 km (0.097 R)
• M13: 7,174,564 km (0.095 R)
• M14: 7,368,144 km (0.109 R)
• M15: 8,657,378 km (0.108 R)
• M16: 9,269,383 km (0.071 R)
• M17: 10,029,490 km (0.061 R)
• M18: 10,579,412 km (0.073 R)
• M19: 12,075,690 km (0.102 R)
• M20: 13,268,284 km (0.079 R)
• M21: 15,480,388 km (0.101 R)
• M22: 16,296,743 km (0.076 R)
• M23: 16,631,244 km (0.082 R)
• M24: 19,473,454 km (0.116 R)
• M25: 19,661,199 km (0.069 R)
• M26: 23,249,454 km (0.097 R)
• M27: 26,439,180 km (0.111 R)
• M28: 27,840,313 km (0.112 R)
• M29: 36,155,861 km (0.07 R)
• M30: 38,025,684 km (0.097 R)
• M31: 38,466,100 km (0.11 R)
• M32: 40,566,754 km (0.046 R)
• M33: 43,538,067 km (0.12 R)
• M34: 47,494,482 km (0.089 R)
• M35: 53,683,645 km (0.078 R)
• M36: 56,112,815 km (0.099 R)
• M37: 66,138,415 km (0.072 R)
• M38: 70,240,987 km (0.107 R)
• M39: 70,461,495 km (0.059 R)
• M40: 80,385,967 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.7

Radius: 5.1

Gravity: 36.9 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 14.89 AU - 22.25 AU

Year: 30147 Days

Day: 25 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 111,929,496 km

• M1: 63,579 km (0.088 R)
• M2: 418,724 km (0.117 R)
• M3: 642,672 km (0.107 R)
• M4: 830,717 km (0.096 R)
• M5: 1,175,241 km (0.058 R)
• M6: 1,354,758 km (0.12 R)
• M7: 1,533,827 km (0.102 R)
• M8: 2,519,079 km (0.115 R)
• M9: 3,023,822 km (0.073 R)
• M10: 10,600,804 km (0.103 R)
• M11: 10,952,060 km (0.062 R)
• M12: 12,357,682 km (0.05 R)
• M13: 12,590,157 km (0.096 R)
• M14: 16,343,418 km (0.078 R)
• M15: 17,776,416 km (0.114 R)
• M16: 18,172,102 km (0.077 R)
• M17: 23,155,357 km (0.094 R)
• M18: 34,010,777 km (0.102 R)
• M19: 41,470,175 km (0.096 R)
• M20: 47,256,920 km (0.109 R)
• M21: 47,635,552 km (0.09 R)
• M22: 48,783,267 km (0.057 R)
• M23: 49,949,383 km (0.12 R)
• M24: 50,145,505 km (0.117 R)
• M25: 50,935,233 km (0.078 R)
• M26: 58,637,279 km (0.061 R)
• M27: 66,366,851 km (0.067 R)
• M28: 73,220,678 km (0.079 R)
• M29: 79,458,460 km (0.074 R)
• M30: 83,807,869 km (0.095 R)
• M31: 92,090,804 km (0.06 R)
• M32: 98,110,472 km (0.056 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 12,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit