🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.6

Radius: 10.2

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.5 AU - 0.6 AU

Year: 272 Days

Day: 9.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,139,145 km

• M1: 126,859 km (0.09 R)
• M2: 591,211 km (0.111 R)
• M3: 946,057 km (0.052 R)
• M4: 1,349,672 km (0.089 R)
• M5: 1,808,489 km (0.074 R)
• M6: 2,268,801 km (0.087 R)
• M7: 2,683,487 km (0.113 R)
• M8: 3,006,468 km (0.074 R)
• M9: 3,710,177 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.9

Radius: 14.1

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.81 AU - 2.47 AU

Year: 2088 Days

Day: 7.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,139,145 km

• M1: 175,478 km (0.114 R)
• M2: 620,532 km (0.095 R)
• M3: 1,162,076 km (0.074 R)
• M4: 1,828,834 km (0.064 R)
• M5: 2,393,416 km (0.102 R)
• M6: 2,872,429 km (0.112 R)
• M7: 3,313,443 km (0.12 R)
• M8: 4,493,920 km (0.05 R)
• M9: 5,015,418 km (0.034 R)
• M10: 5,494,431 km (0.078 R)
• M11: 6,136,205 km (0.112 R)
• M12: 7,909,389 km (0.073 R)
• M13: 8,533,362 km (0.098 R)
• M14: 9,189,797 km (0.066 R)
• M15: 10,316,718 km (0.026 R)
• M16: 10,897,307 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.2

Radius: 11.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.18 AU - 2.74 AU

Year: 2573 Days

Day: 13.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 158.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,139,145 km

• M1: 144,212 km (0.087 R)
• M2: 696,228 km (0.119 R)
• M3: 1,083,687 km (0.07 R)
• M4: 1,619,995 km (0.104 R)
• M5: 2,418,100 km (0.086 R)
• M6: 3,156,814 km (0.098 R)
• M7: 4,133,240 km (0.076 R)
• M8: 6,368,681 km (0.107 R)
• M9: 11,193,361 km (0.104 R)
• M10: 13,565,086 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.1

Radius: 12.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.01 AU - 4.17 AU

Year: 5516 Days

Day: 5.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,139,145 km

• M1: 156,779 km (0.075 R)
• M2: 552,315 km (0.094 R)
• M3: 1,147,565 km (0.075 R)
• M4: 1,745,358 km (0.036 R)
• M5: 2,443,532 km (0.025 R)
• M6: 2,849,391 km (0.066 R)
• M7: 3,362,811 km (0.113 R)
• M8: 3,961,202 km (0.109 R)
• M9: 6,160,889 km (0.12 R)
• M10: 7,271,504 km (0.097 R)
• M11: 7,781,333 km (0.086 R)
• M12: 8,198,412 km (0.093 R)
• M13: 8,630,600 km (0.111 R)
• M14: 10,883,694 km (0.092 R)
• M15: 12,146,300 km (0.065 R)
• M16: 14,616,161 km (0.088 R)
• M17: 17,468,095 km (0.087 R)
• M18: 20,528,568 km (0.119 R)
• M19: 21,327,720 km (0.065 R)
• M20: 22,072,268 km (0.037 R)
• M21: 24,089,296 km (0.109 R)
• M22: 27,254,189 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.1

Radius: 3.7

Gravity: 38.36 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.85 AU - 6.11 AU

Year: 9752 Days

Day: 18.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,139,145 km

• M1: 48,320 km (0.111 R)
• M2: 243,097 km (0.07 R)
• M3: 380,577 km (0.092 R)
• M4: 1,405,771 km (0.118 R)
• M5: 1,710,053 km (0.097 R)
• M6: 2,681,691 km (0.117 R)
• M7: 4,548,673 km (0.099 R)
• M8: 4,871,655 km (0.1 R)
• M9: 5,209,596 km (0.112 R)
• M10: 7,984,637 km (0.056 R)
• M11: 8,238,355 km (0.114 R)
• M12: 8,585,123 km (0.105 R)
• M13: 9,731,491 km (0.104 R)
• M14: 9,972,344 km (0.055 R)
• M15: 10,975,996 km (0.082 R)
• M16: 11,289,703 km (0.116 R)
• M17: 14,202,523 km (0.08 R)
• M18: 18,665,775 km (0.037 R)
• M19: 20,027,714 km (0.044 R)
• M20: 20,971,527 km (0.096 R)
• M21: 22,442,373 km (0.084 R)
• M22: 25,314,802 km (0.104 R)
• M23: 29,613,497 km (0.12 R)
• M24: 30,630,613 km (0.106 R)
• M25: 34,373,851 km (0.101 R)
• M26: 34,820,251 km (0.097 R)
• M27: 36,993,010 km (0.059 R)
• M28: 39,864,541 km (0.115 R)
• M29: 40,604,901 km (0.057 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: 204 - 13,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit