🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.5

Radius: 13.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.53 AU - 0.65 AU

Year: 307 Days

Day: 11.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,217,655 km

• M1: 171,589 km (0.097 R)
• M2: 891,155 km (0.082 R)
• M3: 1,384,528 km (0.03 R)
• M4: 1,889,421 km (0.097 R)
• M5: 2,376,512 km (0.078 R)
• M6: 2,877,814 km (0.063 R)
• M7: 3,540,982 km (0.071 R)
• M8: 3,984,090 km (0.077 R)
• M9: 4,925,659 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.4

Radius: 13.7

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.64 AU - 0.66 AU

Year: 355 Days

Day: 12.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,217,655 km

• M1: 171,589 km (0.067 R)
• M2: 739,612 km (0.062 R)
• M3: 1,256,622 km (0.097 R)
• M4: 1,743,862 km (0.108 R)
• M5: 2,543,463 km (0.062 R)
• M6: 3,007,516 km (0.073 R)
• M7: 3,836,437 km (0.089 R)
• M8: 4,423,310 km (0.091 R)
• M9: 4,902,472 km (0.111 R)
• M10: 5,400,184 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24

Radius: 9.5

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.86 AU - 1.28 AU

Year: 751 Days

Day: 10.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 93,217,655 km

• M1: 118,182 km (0.04 R)
• M2: 582,534 km (0.1 R)
• M3: 1,042,847 km (0.099 R)
• M4: 1,663,229 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.7

Radius: 9.8

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.26 AU - 1.26 AU

Year: 959 Days

Day: 9.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,217,655 km

• M1: 121,922 km (0.103 R)
• M2: 453,581 km (0.079 R)
• M3: 843,283 km (0.106 R)
• M4: 1,159,084 km (0.083 R)
• M5: 1,649,017 km (0.103 R)
• M6: 2,155,556 km (0.071 R)
• M7: 3,294,594 km (0.113 R)
• M8: 3,630,142 km (0.102 R)
• M9: 3,956,415 km (0.11 R)
• M10: 4,596,993 km (0.064 R)
• M11: 6,412,662 km (0.099 R)
• M12: 8,024,729 km (0.102 R)
• M13: 8,527,378 km (0.065 R)
• M14: 9,220,465 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.3

Radius: 14.7

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.12 AU - 1.76 AU

Year: 1172 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 93,217,655 km

• M1: 182,809 km (0.058 R)
• M2: 721,062 km (0.104 R)
• M3: 1,462,918 km (0.091 R)
• M4: 2,161,091 km (0.113 R)
• M5: 2,789,252 km (0.118 R)
• M6: 3,324,364 km (0.082 R)
• M7: 4,046,772 km (0.071 R)
• M8: 5,229,493 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.9

Radius: 12.3

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.54 AU - 3.9 AU

Year: 4866 Days

Day: 11.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 93,217,655 km

• M1: 154,535 km (0.097 R)
• M2: 541,694 km (0.066 R)
• M3: 1,517,371 km (0.109 R)
• M4: 2,029,445 km (0.115 R)
• M5: 3,985,138 km (0.11 R)
• M6: 4,523,690 km (0.051 R)
• M7: 5,194,337 km (0.08 R)
• M8: 6,085,492 km (0.074 R)
• M9: 7,076,129 km (0.115 R)
• M10: 7,683,496 km (0.119 R)
• M11: 8,403,212 km (0.059 R)
• M12: 10,377,455 km (0.075 R)
• M13: 11,067,998 km (0.081 R)
• M14: 11,497,045 km (0.115 R)
• M15: 12,955,325 km (0.036 R)
• M16: 14,646,828 km (0.049 R)
• M17: 15,048,349 km (0.103 R)
• M18: 16,542,832 km (0.106 R)
• M19: 18,265,601 km (0.049 R)
• M20: 19,825,009 km (0.117 R)
• M21: 28,975,013 km (0.116 R)
• M22: 32,333,336 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 962.5

Radius: 3.6

Gravity: 74.27 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 9.03 AU - 11.85 AU

Year: 22879 Days

Day: 15.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 93,217,655 km

• M1: 103,971 km (0.103 R)
• M2: 757,115 km (0.099 R)
• M3: 1,381,686 km (0.069 R)
• M4: 3,937,715 km (0.045 R)
• M5: 4,880,032 km (0.059 R)
• M6: 5,077,053 km (0.046 R)
• M7: 5,197,778 km (0.104 R)
• M8: 6,704,079 km (0.079 R)
• M9: 7,401,055 km (0.095 R)
• M10: 12,994,969 km (0.118 R)
• M11: 17,209,141 km (0.076 R)
• M12: 17,390,752 km (0.067 R)
• M13: 20,069,602 km (0.071 R)
• M14: 21,089,410 km (0.086 R)
• M15: 22,574,319 km (0.095 R)
• M16: 25,514,515 km (0.12 R)
• M17: 37,495,360 km (0.114 R)
• M18: 43,920,888 km (0.101 R)
• M19: 49,744,284 km (0.066 R)
• M20: 50,297,796 km (0.092 R)
• M21: 50,669,248 km (0.103 R)
• M22: 51,794,074 km (0.106 R)
• M23: 56,260,767 km (0.105 R)
• M24: 64,627,926 km (0.073 R)
• M25: 76,204,258 km (0.113 R)
• M26: 77,185,919 km (0.096 R)
• M27: 78,924,097 km (0.115 R)
• M28: 79,174,523 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 399 - 17,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit