🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.3

Radius: 12.8

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.64 AU - 0.74 AU

Year: 389 Days

Day: 7 Hours

Environment

Temp: -157 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 28,956,636 km

• M1: 159,172 km (0.074 R)
• M2: 802,593 km (0.105 R)
• M3: 1,341,145 km (0.098 R)
• M4: 2,022,414 km (0.09 R)
• M5: 2,740,932 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.1

Radius: 8.6

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.73 AU - 0.97 AU

Year: 532 Days

Day: 5.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,956,636 km

• M1: 109,506 km (0.065 R)
• M2: 389,104 km (0.099 R)
• M3: 924,066 km (0.066 R)
• M4: 1,238,521 km (0.117 R)
• M5: 1,595,760 km (0.099 R)
• M6: 1,928,616 km (0.105 R)
• M7: 3,077,228 km (0.069 R)
• M8: 3,496,401 km (0.045 R)
• M9: 4,091,053 km (0.106 R)
• M10: 4,674,634 km (0.081 R)
• M11: 6,153,260 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.8

Radius: 13.4

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.14 AU - 1.66 AU

Year: 1124 Days

Day: 14.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 28,956,636 km

• M1: 166,951 km (0.066 R)
• M2: 612,603 km (0.066 R)
• M3: 1,123,181 km (0.119 R)
• M4: 1,892,712 km (0.055 R)
• M5: 2,573,083 km (0.101 R)
• M6: 3,746,379 km (0.109 R)
• M7: 4,208,786 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.5

Radius: 13.6

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.59 AU - 1.69 AU

Year: 1424 Days

Day: 9.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,956,636 km

• M1: 169,195 km (0.062 R)
• M2: 669,450 km (0.096 R)
• M3: 1,171,351 km (0.078 R)
• M4: 1,684,173 km (0.117 R)
• M5: 2,477,790 km (0.06 R)
• M6: 4,235,415 km (0.11 R)
• M7: 4,756,315 km (0.111 R)
• M8: 7,006,715 km (0.092 R)
• M9: 8,085,765 km (0.07 R)
• M10: 8,918,427 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101

Radius: 13.4

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.62 AU - 2.44 AU

Year: 1962 Days

Day: 5.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,956,636 km

• M1: 166,802 km (0.106 R)
• M2: 765,792 km (0.11 R)
• M3: 2,313,082 km (0.077 R)
• M4: 3,495,205 km (0.104 R)
• M5: 3,934,274 km (0.109 R)
• M6: 4,410,444 km (0.066 R)
• M7: 4,908,007 km (0.091 R)
• M8: 6,318,416 km (0.088 R)
• M9: 7,652,829 km (0.101 R)
• M10: 8,251,220 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.5

Radius: 11.1

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.61 AU - 3.75 AU

Year: 3846 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,956,636 km

• M1: 140,921 km (0.114 R)
• M2: 663,766 km (0.115 R)
• M3: 1,486,404 km (0.049 R)
• M4: 1,925,175 km (0.096 R)
• M5: 3,033,695 km (0.079 R)
• M6: 3,589,152 km (0.105 R)
• M7: 5,027,087 km (0.098 R)
• M8: 5,485,904 km (0.115 R)
• M9: 7,740,044 km (0.091 R)
• M10: 8,111,047 km (0.099 R)
• M11: 8,707,942 km (0.093 R)
• M12: 9,183,963 km (0.107 R)
• M13: 12,414,230 km (0.085 R)
• M14: 12,783,437 km (0.111 R)
• M15: 15,790,803 km (0.108 R)
• M16: 17,229,636 km (0.03 R)
• M17: 22,002,556 km (0.032 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.9

Radius: 9.6

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.58 AU - 5.56 AU

Year: 7743 Days

Day: 11.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 28,956,636 km

• M1: 119,379 km (0.051 R)
• M2: 632,051 km (0.084 R)
• M3: 1,127,669 km (0.071 R)
• M4: 1,664,576 km (0.098 R)
• M5: 2,286,603 km (0.096 R)
• M6: 2,592,681 km (0.069 R)
• M7: 3,075,283 km (0.046 R)
• M8: 3,532,903 km (0.031 R)
• M9: 3,899,867 km (0.115 R)
• M10: 4,461,308 km (0.095 R)
• M11: 5,183,716 km (0.099 R)
• M12: 5,487,998 km (0.094 R)
• M13: 6,827,198 km (0.038 R)
• M14: 8,112,094 km (0.109 R)
• M15: 9,675,242 km (0.088 R)
• M16: 10,440,585 km (0.1 R)
• M17: 11,710,372 km (0.07 R)
• M18: 12,236,507 km (0.081 R)
• M19: 14,175,894 km (0.109 R)
• M20: 16,370,944 km (0.071 R)
• M21: 17,089,612 km (0.082 R)
• M22: 18,525,602 km (0.098 R)
• M23: 19,174,408 km (0.097 R)
• M24: 20,311,950 km (0.103 R)
• M25: 23,539,973 km (0.036 R)
• M26: 25,315,101 km (0.106 R)
• M27: 25,632,698 km (0.056 R)
• M28: 27,177,744 km (0.036 R)
• M29: 28,526,220 km (0.088 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 15,341 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit