🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1 AU - 1.36 AU

Year: 471 Days

Day: 12.7 Hours

Environment

Temp: 11 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 90,008,168 km

• M1: 47,722 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.04 AU - 1.68 AU

Year: 582 Days

Day: 44.6 Hours

Environment

Temp: -22 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 90,008,168 km

• M1: 43,383 km (0.104 R)
• M2: 265,087 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.92 AU - 2.34 AU

Year: 1141 Days

Day: 33.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.1

Radius: 9.1

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.1 AU - 5.64 AU

Year: 3945 Days

Day: 11.7 Hours

Environment

Temp: -131 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,008,168 km

• M1: 113,694 km (0.115 R)
• M2: 436,227 km (0.116 R)
• M3: 1,102,536 km (0.091 R)
• M4: 1,426,266 km (0.113 R)
• M5: 1,939,985 km (0.042 R)
• M6: 2,709,816 km (0.113 R)
• M7: 3,486,827 km (0.115 R)
• M8: 7,690,378 km (0.096 R)
• M9: 8,785,584 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.4

Radius: 14.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.91 AU - 6.85 AU

Year: 5234 Days

Day: 9.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 90,008,168 km

• M1: 181,612 km (0.119 R)
• M2: 1,127,519 km (0.099 R)
• M3: 1,585,139 km (0.032 R)
• M4: 2,141,194 km (0.075 R)
• M5: 3,744,734 km (0.07 R)
• M6: 5,686,664 km (0.076 R)
• M7: 6,421,189 km (0.092 R)
• M8: 7,252,804 km (0.095 R)
• M9: 9,131,454 km (0.093 R)
• M10: 10,404,083 km (0.118 R)
• M11: 11,316,331 km (0.112 R)
• M12: 13,510,932 km (0.042 R)
• M13: 14,101,245 km (0.104 R)
• M14: 17,315,505 km (0.091 R)
• M15: 18,141,435 km (0.092 R)
• M16: 18,596,811 km (0.077 R)
• M17: 19,260,875 km (0.043 R)
• M18: 20,777,199 km (0.112 R)
• M19: 21,637,238 km (0.087 R)
• M20: 22,971,800 km (0.073 R)
• M21: 25,641,075 km (0.065 R)
• M22: 26,966,363 km (0.073 R)
• M23: 29,483,945 km (0.026 R)
• M24: 30,570,175 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.7

Radius: 13.8

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.07 AU - 6.73 AU

Year: 5261 Days

Day: 10.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 90,008,168 km

• M1: 173,833 km (0.081 R)
• M2: 780,602 km (0.066 R)
• M3: 1,500,167 km (0.069 R)
• M4: 2,153,013 km (0.103 R)
• M5: 2,751,853 km (0.057 R)
• M6: 3,564,020 km (0.064 R)
• M7: 5,641,934 km (0.115 R)
• M8: 10,036,521 km (0.067 R)
• M9: 11,138,459 km (0.092 R)
• M10: 12,483,194 km (0.091 R)
• M11: 15,351,434 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.4

Radius: 3

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 10.82 AU - 15.04 AU

Year: 17068 Days

Day: 23 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 90,008,168 km

• M1: 58,493 km (0.071 R)
• M2: 170,691 km (0.088 R)
• M3: 984,952 km (0.102 R)
• M4: 1,130,810 km (0.091 R)
• M5: 1,391,859 km (0.11 R)
• M6: 3,423,098 km (0.114 R)
• M7: 5,242,508 km (0.071 R)
• M8: 6,740,132 km (0.053 R)
• M9: 9,410,454 km (0.065 R)
• M10: 11,293,442 km (0.073 R)
• M11: 18,008,292 km (0.109 R)
• M12: 19,134,764 km (0.089 R)
• M13: 20,560,432 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.6

Radius: 7.2

Gravity: 17.47 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 12.86 AU - 18.12 AU

Year: 22379 Days

Day: 21.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,008,168 km

• M1: 89,609 km (0.098 R)
• M2: 411,544 km (0.111 R)
• M3: 668,104 km (0.104 R)
• M4: 2,469,113 km (0.041 R)
• M5: 2,820,518 km (0.086 R)
• M6: 4,426,152 km (0.079 R)
• M7: 5,631,163 km (0.118 R)
• M8: 9,665,518 km (0.048 R)
• M9: 10,096,061 km (0.066 R)
• M10: 11,061,715 km (0.116 R)
• M11: 11,329,346 km (0.064 R)
• M12: 11,669,980 km (0.107 R)
• M13: 18,091,469 km (0.116 R)
• M14: 18,556,868 km (0.046 R)
• M15: 19,126,088 km (0.118 R)
• M16: 20,802,033 km (0.12 R)
• M17: 21,210,136 km (0.089 R)
• M18: 27,133,763 km (0.04 R)
• M19: 29,245,037 km (0.097 R)
• M20: 29,500,401 km (0.046 R)
• M21: 32,136,615 km (0.063 R)
• M22: 33,931,939 km (0.107 R)
• M23: 37,120,767 km (0.086 R)
• M24: 42,433,137 km (0.106 R)
• M25: 44,422,938 km (0.047 R)
• M26: 55,701,570 km (0.093 R)
• M27: 58,084,515 km (0.107 R)
• M28: 60,534,778 km (0.079 R)
• M29: 61,995,452 km (0.115 R)
• M30: 65,858,967 km (0.057 R)
• M31: 66,738,752 km (0.067 R)
• M32: 67,849,665 km (0.1 R)
• M33: 72,416,290 km (0.111 R)
• M34: 72,649,812 km (0.049 R)
• M35: 78,161,447 km (0.098 R)
• M36: 79,643,812 km (0.071 R)
• M37: 89,469,699 km (0.071 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 15,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit