🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.74 AU - 1.06 AU

Year: 327 Days

Day: 36.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 24.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 51,809,735 km

• M1: 55,800 km (0.107 R)
• M2: 148,551 km (0.089 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.72 AU - 1.14 AU

Year: 343 Days

Day: 42.2 Hours

Environment

Temp: 11 °C

Axial Tilt: 10.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 51,809,735 km

• M1: 202,705 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.62

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.38 AU - 1.5 AU

Year: 662 Days

Day: 21.2 Hours

Environment

Temp: -44 °C

Axial Tilt: 23.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,809,735 km

• M1: 885,769 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.16 AU - 2.88 AU

Year: 1532 Days

Day: 40.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.1

Radius: 13

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.63 AU - 5.89 AU

Year: 4619 Days

Day: 14.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,809,735 km

• M1: 162,164 km (0.105 R)
• M2: 787,184 km (0.118 R)
• M3: 1,284,597 km (0.036 R)
• M4: 1,791,135 km (0.054 R)
• M5: 2,630,529 km (0.112 R)
• M6: 3,850,200 km (0.041 R)
• M7: 4,291,365 km (0.086 R)
• M8: 4,792,517 km (0.109 R)
• M9: 5,332,566 km (0.104 R)
• M10: 5,764,006 km (0.111 R)
• M11: 6,250,049 km (0.118 R)
• M12: 7,064,460 km (0.09 R)
• M13: 7,948,434 km (0.073 R)
• M14: 8,865,020 km (0.038 R)
• M15: 10,195,544 km (0.103 R)
• M16: 12,286,174 km (0.1 R)
• M17: 20,325,863 km (0.069 R)
• M18: 25,582,133 km (0.06 R)
• M19: 26,983,417 km (0.1 R)
• M20: 27,660,347 km (0.119 R)
• M21: 28,089,095 km (0.027 R)
• M22: 29,048,017 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.8

Radius: 8.9

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.22 AU - 7.26 AU

Year: 5968 Days

Day: 6.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,809,735 km

• M1: 111,301 km (0.11 R)
• M2: 428,448 km (0.12 R)
• M3: 848,519 km (0.1 R)
• M4: 1,770,640 km (0.102 R)
• M5: 2,061,459 km (0.096 R)
• M6: 3,291,901 km (0.1 R)
• M7: 4,691,539 km (0.103 R)
• M8: 5,226,650 km (0.102 R)
• M9: 6,910,075 km (0.105 R)
• M10: 7,966,984 km (0.095 R)
• M11: 9,332,214 km (0.094 R)
• M12: 10,135,555 km (0.092 R)
• M13: 11,355,376 km (0.07 R)
• M14: 12,822,333 km (0.117 R)
• M15: 13,286,086 km (0.028 R)
• M16: 13,707,802 km (0.101 R)
• M17: 15,892,081 km (0.113 R)
• M18: 17,533,918 km (0.063 R)
• M19: 18,234,185 km (0.041 R)
• M20: 18,689,412 km (0.103 R)
• M21: 23,744,623 km (0.072 R)
• M22: 30,181,819 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.6

Radius: 8.3

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 6.39 AU - 10.07 AU

Year: 9040 Days

Day: 5.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,809,735 km

• M1: 103,522 km (0.08 R)
• M2: 687,701 km (0.086 R)
• M3: 3,241,038 km (0.031 R)
• M4: 3,642,708 km (0.079 R)
• M5: 3,971,973 km (0.06 R)
• M6: 4,432,435 km (0.077 R)
• M7: 5,657,193 km (0.052 R)
• M8: 5,926,918 km (0.102 R)
• M9: 6,750,903 km (0.112 R)
• M10: 7,896,075 km (0.11 R)
• M11: 8,319,586 km (0.046 R)
• M12: 11,028,654 km (0.058 R)
• M13: 11,397,563 km (0.09 R)
• M14: 13,605,328 km (0.112 R)
• M15: 15,486,820 km (0.117 R)
• M16: 16,421,508 km (0.116 R)
• M17: 17,111,902 km (0.096 R)
• M18: 18,183,621 km (0.092 R)
• M19: 19,835,331 km (0.083 R)
• M20: 20,224,286 km (0.101 R)
• M21: 21,421,667 km (0.099 R)
• M22: 25,387,955 km (0.113 R)
• M23: 26,124,426 km (0.1 R)
• M24: 30,328,575 km (0.109 R)
• M25: 30,637,644 km (0.102 R)
• M26: 37,506,879 km (0.111 R)
• M27: 39,066,736 km (0.12 R)
• M28: 42,187,497 km (0.063 R)
• M29: 43,742,717 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.4

Radius: 7.6

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 16.27 AU - 20.97 AU

Year: 30764 Days

Day: 18.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,809,735 km

• M1: 472,131 km (0.089 R)
• M2: 757,115 km (0.072 R)
• M3: 1,757,476 km (0.071 R)
• M4: 2,778,332 km (0.089 R)
• M5: 3,185,836 km (0.118 R)
• M6: 6,216,091 km (0.094 R)
• M7: 8,237,756 km (0.092 R)
• M8: 9,128,013 km (0.101 R)
• M9: 10,878,608 km (0.098 R)
• M10: 14,296,769 km (0.12 R)
• M11: 14,560,660 km (0.036 R)
• M12: 15,509,709 km (0.093 R)
• M13: 16,070,102 km (0.118 R)
• M14: 23,520,675 km (0.101 R)
• M15: 23,796,384 km (0.091 R)
• M16: 27,987,218 km (0.08 R)
• M17: 31,186,369 km (0.109 R)
• M18: 36,798,533 km (0.059 R)
• M19: 40,892,129 km (0.027 R)
• M20: 41,157,516 km (0.115 R)
• M21: 50,426,001 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 556 - 18,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit