🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.6

Radius: 1.21

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.42 AU - 0.62 AU

Year: 137 Days

Day: 44.2 Hours

Environment

Temp: 195 °C

Axial Tilt: 11.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.9 AU - 1.38 AU

Year: 445 Days

Day: 33.7 Hours

Environment

Temp: 2 °C

Axial Tilt: 35.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 91,977,003 km

• M1: 807,380 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.16 AU - 1.56 AU

Year: 579 Days

Day: 44.5 Hours

Environment

Temp: -23 °C

Axial Tilt: 20.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 91,977,003 km

• M1: 103,671 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.23 AU - 3.35 AU

Year: 1702 Days

Day: 45.8 Hours

Environment

Temp: -93 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,977,003 km

• M1: 187,745 km (0.09 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.62 AU - 3.64 AU

Year: 2023 Days

Day: 25.8 Hours

Environment

Temp: -106 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 91,977,003 km

• M1: 89,011 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218

Radius: 13

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.19 AU - 6.37 AU

Year: 5748 Days

Day: 14.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,977,003 km

• M1: 161,865 km (0.074 R)
• M2: 574,905 km (0.111 R)
• M3: 1,116,599 km (0.067 R)
• M4: 1,885,980 km (0.116 R)
• M5: 2,319,665 km (0.096 R)
• M6: 2,740,184 km (0.107 R)
• M7: 3,301,924 km (0.117 R)
• M8: 4,869,560 km (0.062 R)
• M9: 6,077,713 km (0.059 R)
• M10: 6,649,027 km (0.101 R)
• M11: 10,100,250 km (0.115 R)
• M12: 11,448,276 km (0.092 R)
• M13: 14,953,354 km (0.111 R)
• M14: 16,811,360 km (0.053 R)
• M15: 17,313,111 km (0.107 R)
• M16: 21,368,111 km (0.106 R)
• M17: 22,355,756 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.3

Radius: 14.3

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.06 AU - 7.44 AU

Year: 7130 Days

Day: 5.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 91,977,003 km

• M1: 177,872 km (0.112 R)
• M2: 713,731 km (0.046 R)
• M3: 1,329,476 km (0.086 R)
• M4: 1,964,220 km (0.053 R)
• M5: 2,466,570 km (0.065 R)
• M6: 4,002,641 km (0.062 R)
• M7: 4,765,590 km (0.113 R)
• M8: 5,499,517 km (0.081 R)
• M9: 6,008,000 km (0.116 R)
• M10: 6,687,922 km (0.114 R)
• M11: 7,686,787 km (0.117 R)
• M12: 9,570,225 km (0.05 R)
• M13: 10,595,718 km (0.076 R)
• M14: 13,366,719 km (0.088 R)
• M15: 14,587,887 km (0.108 R)
• M16: 15,442,539 km (0.102 R)
• M17: 17,999,915 km (0.11 R)
• M18: 18,983,371 km (0.112 R)
• M19: 19,488,414 km (0.102 R)
• M20: 23,774,094 km (0.115 R)
• M21: 24,445,788 km (0.088 R)
• M22: 24,957,862 km (0.076 R)
• M23: 26,626,925 km (0.112 R)
• M24: 28,089,244 km (0.113 R)
• M25: 28,840,226 km (0.112 R)
• M26: 37,327,960 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647

Radius: 9.3

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.2 AU - 10.5 AU

Year: 10443 Days

Day: 12.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 91,977,003 km

• M1: 115,639 km (0.103 R)
• M2: 658,380 km (0.073 R)
• M3: 1,098,198 km (0.119 R)
• M4: 1,742,965 km (0.092 R)
• M5: 2,186,223 km (0.118 R)
• M6: 2,682,739 km (0.115 R)
• M7: 3,276,343 km (0.108 R)
• M8: 3,901,812 km (0.095 R)
• M9: 4,428,845 km (0.106 R)
• M10: 5,831,923 km (0.085 R)
• M11: 8,596,492 km (0.088 R)
• M12: 10,084,243 km (0.098 R)
• M13: 11,680,602 km (0.116 R)
• M14: 13,686,111 km (0.057 R)
• M15: 16,118,273 km (0.081 R)
• M16: 17,841,640 km (0.098 R)
• M17: 18,979,183 km (0.108 R)
• M18: 19,368,885 km (0.094 R)
• M19: 22,681,730 km (0.047 R)
• M20: 24,380,264 km (0.08 R)
• M21: 27,928,277 km (0.106 R)
• M22: 28,534,298 km (0.065 R)
• M23: 30,831,822 km (0.105 R)
• M24: 31,696,946 km (0.045 R)
• M25: 33,589,060 km (0.069 R)
• M26: 35,085,937 km (0.112 R)
• M27: 36,148,081 km (0.116 R)
• M28: 39,336,461 km (0.114 R)
• M29: 39,842,999 km (0.045 R)
• M30: 43,646,974 km (0.104 R)
• M31: 47,257,369 km (0.089 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.6

Radius: 14.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.64 AU - 12.12 AU

Year: 13108 Days

Day: 8.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 91,977,003 km

• M1: 201,359 km (0.103 R)
• M2: 798,254 km (0.112 R)
• M3: 3,206,780 km (0.041 R)
• M4: 5,157,686 km (0.079 R)
• M5: 6,119,750 km (0.097 R)
• M6: 6,663,987 km (0.072 R)
• M7: 7,454,611 km (0.052 R)
• M8: 9,123,825 km (0.111 R)
• M9: 9,993,736 km (0.029 R)
• M10: 11,780,683 km (0.098 R)
• M11: 13,511,829 km (0.113 R)
• M12: 14,506,356 km (0.104 R)
• M13: 15,056,427 km (0.071 R)
• M14: 15,835,533 km (0.071 R)
• M15: 19,636,964 km (0.072 R)
• M16: 20,912,885 km (0.077 R)
• M17: 22,334,065 km (0.052 R)
• M18: 23,441,687 km (0.084 R)
• M19: 27,712,407 km (0.107 R)
• M20: 28,347,001 km (0.107 R)
• M21: 28,883,160 km (0.12 R)
• M22: 29,645,062 km (0.072 R)
• M23: 31,437,095 km (0.111 R)
• M24: 32,945,640 km (0.12 R)
• M25: 39,198,980 km (0.075 R)
• M26: 39,998,880 km (0.112 R)
• M27: 42,603,828 km (0.097 R)
• M28: 46,944,410 km (0.116 R)
• M29: 47,846,485 km (0.076 R)
• M30: 49,685,492 km (0.096 R)
• M31: 51,253,726 km (0.12 R)
• M32: 52,210,255 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.2

Radius: 3.5

Gravity: 58.3 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 14.51 AU - 19.87 AU

Year: 26032 Days

Day: 25 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,977,003 km

• M1: 45,478 km (0.094 R)
• M2: 588,668 km (0.091 R)
• M3: 778,956 km (0.082 R)
• M4: 944,561 km (0.112 R)
• M5: 1,330,374 km (0.109 R)
• M6: 1,567,935 km (0.114 R)
• M7: 1,735,036 km (0.099 R)
• M8: 2,285,706 km (0.086 R)
• M9: 2,525,661 km (0.11 R)
• M10: 2,703,533 km (0.092 R)
• M11: 4,776,211 km (0.089 R)
• M12: 5,168,158 km (0.081 R)
• M13: 5,927,217 km (0.112 R)
• M14: 6,614,320 km (0.032 R)
• M15: 7,506,971 km (0.082 R)
• M16: 8,589,611 km (0.091 R)
• M17: 11,604,307 km (0.091 R)
• M18: 14,042,603 km (0.117 R)
• M19: 14,359,451 km (0.119 R)
• M20: 19,020,920 km (0.095 R)
• M21: 19,604,801 km (0.094 R)
• M22: 19,901,154 km (0.034 R)
• M23: 20,808,166 km (0.113 R)
• M24: 21,742,555 km (0.117 R)
• M25: 23,031,191 km (0.112 R)
• M26: 27,570,140 km (0.118 R)
• M27: 35,514,086 km (0.037 R)
• M28: 35,954,352 km (0.042 R)
• M29: 36,996,002 km (0.086 R)
• M30: 49,445,687 km (0.058 R)
• M31: 57,303,016 km (0.107 R)
• M32: 60,165,421 km (0.104 R)
• M33: 64,853,819 km (0.092 R)
• M34: 65,731,509 km (0.112 R)
• M35: 66,395,125 km (0.103 R)
• M36: 80,620,237 km (0.073 R)
• M37: 84,729,691 km (0.089 R)
• M38: 89,246,499 km (0.114 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 12,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit