🌌 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: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.41 AU - 0.63 AU

Year: 246 Days

Day: 35.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 42.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,443,753 km

• M1: 50,714 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.5

Radius: 14.5

Gravity: 0.07 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.78 AU - 0.82 AU

Year: 469 Days

Day: 9.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 15,443,753 km

• M1: 180,265 km (0.093 R)
• M2: 690,095 km (0.1 R)
• M3: 1,190,799 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553

Radius: 11.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.75 AU - 1.03 AU

Year: 551 Days

Day: 14.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,443,753 km

• M1: 144,212 km (0.035 R)
• M2: 542,442 km (0.088 R)
• M3: 924,365 km (0.065 R)
• M4: 1,831,377 km (0.098 R)
• M5: 2,210,458 km (0.109 R)
• M6: 2,693,659 km (0.115 R)
• M7: 3,743,088 km (0.117 R)
• M8: 4,318,292 km (0.086 R)
• M9: 4,999,262 km (0.116 R)
• M10: 5,374,154 km (0.113 R)
• M11: 6,017,126 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405

Radius: 11.3

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.03 AU - 2.17 AU

Year: 1996 Days

Day: 13 Hours

Environment

Temp: -191 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 15,443,753 km

• M1: 140,772 km (0.108 R)
• M2: 526,435 km (0.036 R)
• M3: 880,982 km (0.101 R)
• M4: 1,616,704 km (0.09 R)
• M5: 2,282,265 km (0.065 R)
• M6: 2,808,102 km (0.117 R)
• M7: 3,258,242 km (0.099 R)
• M8: 3,689,383 km (0.074 R)
• M9: 6,253,789 km (0.106 R)
• M10: 8,376,134 km (0.097 R)
• M11: 8,852,304 km (0.111 R)
• M12: 9,409,556 km (0.107 R)
• M13: 9,761,411 km (0.115 R)
• M14: 10,188,662 km (0.055 R)
• M15: 11,080,864 km (0.114 R)
• M16: 11,765,274 km (0.098 R)
• M17: 13,418,031 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.3

Radius: 14.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.63 AU - 2.71 AU

Year: 2097 Days

Day: 6.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,443,753 km

• M1: 182,809 km (0.1 R)
• M2: 1,009,935 km (0.113 R)
• M3: 1,703,022 km (0.046 R)
• M4: 2,366,489 km (0.114 R)
• M5: 3,478,599 km (0.036 R)
• M6: 3,956,265 km (0.107 R)
• M7: 4,620,779 km (0.087 R)
• M8: 5,089,768 km (0.111 R)
• M9: 7,072,389 km (0.103 R)
• M10: 14,521,166 km (0.116 R)
• M11: 15,068,545 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.8

Radius: 14.3

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.27 AU - 2.63 AU

Year: 2516 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 15,443,753 km

• M1: 177,872 km (0.083 R)
• M2: 885,320 km (0.116 R)
• M3: 1,572,124 km (0.05 R)
• M4: 2,089,134 km (0.077 R)
• M5: 2,968,620 km (0.115 R)
• M6: 4,043,481 km (0.104 R)
• M7: 4,693,484 km (0.099 R)
• M8: 5,760,864 km (0.099 R)
• M9: 6,503,169 km (0.06 R)
• M10: 7,611,988 km (0.098 R)
• M11: 8,147,250 km (0.094 R)
• M12: 8,741,452 km (0.118 R)
• M13: 9,329,073 km (0.098 R)
• M14: 10,933,959 km (0.078 R)
• M15: 12,499,800 km (0.112 R)
• M16: 14,399,244 km (0.052 R)
• M17: 16,745,686 km (0.101 R)
• M18: 19,049,344 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293

Radius: 13.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.5 AU - 2.64 AU

Year: 2703 Days

Day: 14.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 15,443,753 km

• M1: 174,282 km (0.107 R)
• M2: 626,067 km (0.096 R)
• M3: 1,262,905 km (0.068 R)
• M4: 1,854,565 km (0.103 R)
• M5: 2,765,915 km (0.118 R)
• M6: 3,560,429 km (0.058 R)
• M7: 4,803,737 km (0.094 R)
• M8: 5,357,997 km (0.093 R)
• M9: 6,147,276 km (0.073 R)
• M10: 6,621,351 km (0.108 R)
• M11: 7,200,894 km (0.094 R)
• M12: 8,522,740 km (0.069 R)
• M13: 9,899,340 km (0.093 R)
• M14: 10,552,933 km (0.076 R)
• M15: 12,888,006 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.2

Radius: 10.4

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.28 AU - 3.08 AU

Year: 2878 Days

Day: 10.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,443,753 km

• M1: 131,796 km (0.105 R)
• M2: 1,283,550 km (0.03 R)
• M3: 2,135,210 km (0.075 R)
• M4: 2,691,864 km (0.08 R)
• M5: 6,315,274 km (0.1 R)
• M6: 8,046,271 km (0.038 R)
• M7: 10,509,400 km (0.106 R)
• M8: 10,993,200 km (0.094 R)
• M9: 12,611,101 km (0.088 R)
• M10: 13,476,973 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.5

Radius: 13.9

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.91 AU - 3.17 AU

Year: 3477 Days

Day: 5.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,443,753 km

• M1: 174,880 km (0.079 R)
• M2: 1,078,750 km (0.083 R)
• M3: 1,718,132 km (0.06 R)
• M4: 2,407,927 km (0.104 R)
• M5: 3,571,350 km (0.083 R)
• M6: 7,759,342 km (0.119 R)
• M7: 8,318,539 km (0.072 R)
• M8: 9,784,748 km (0.103 R)
• M9: 11,231,359 km (0.117 R)
• M10: 12,219,902 km (0.112 R)
• M11: 13,265,741 km (0.076 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 13,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit