🌌 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: 412.4

Radius: 15

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.54 AU - 0.64 AU

Year: 307 Days

Day: 9 Hours

Environment

Temp: -145 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 13,999,019 km

• M1: 186,549 km (0.109 R)
• M2: 679,773 km (0.074 R)
• M3: 1,174,044 km (0.075 R)
• M4: 1,701,676 km (0.103 R)
• M5: 2,258,180 km (0.064 R)
• M6: 2,982,682 km (0.075 R)
• M7: 3,792,755 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.3

Radius: 11.1

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.54 AU - 0.8 AU

Year: 372 Days

Day: 9 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,999,019 km

• M1: 138,079 km (0.052 R)
• M2: 811,568 km (0.11 R)
• M3: 1,353,562 km (0.064 R)
• M4: 1,777,821 km (0.071 R)
• M5: 2,640,552 km (0.039 R)
• M6: 3,101,613 km (0.039 R)
• M7: 3,900,764 km (0.089 R)
• M8: 4,543,736 km (0.058 R)
• M9: 5,117,145 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.6

Radius: 14.1

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.96 AU - 0.98 AU

Year: 648 Days

Day: 12 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 13,999,019 km

• M1: 175,478 km (0.12 R)
• M2: 653,294 km (0.1 R)
• M3: 1,101,788 km (0.042 R)
• M4: 1,604,736 km (0.076 R)
• M5: 2,263,266 km (0.067 R)
• M6: 2,761,577 km (0.104 R)
• M7: 3,359,071 km (0.113 R)
• M8: 3,984,090 km (0.059 R)
• M9: 5,309,677 km (0.092 R)
• M10: 6,358,657 km (0.056 R)
• M11: 6,806,853 km (0.098 R)
• M12: 7,767,421 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.2

Radius: 14.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.1 AU - 2.24 AU

Year: 2168 Days

Day: 9.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 13,999,019 km

• M1: 184,005 km (0.029 R)
• M2: 748,588 km (0.043 R)
• M3: 1,290,730 km (0.085 R)
• M4: 1,790,986 km (0.111 R)
• M5: 2,501,875 km (0.1 R)
• M6: 3,363,559 km (0.105 R)
• M7: 3,828,509 km (0.074 R)
• M8: 5,151,253 km (0.052 R)
• M9: 5,630,864 km (0.105 R)
• M10: 10,086,038 km (0.031 R)
• M11: 10,914,661 km (0.096 R)
• M12: 11,402,948 km (0.11 R)
• M13: 11,866,552 km (0.116 R)
• M14: 12,383,113 km (0.064 R)
• M15: 15,995,603 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.2

Radius: 12.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.63 AU - 2.71 AU

Year: 2168 Days

Day: 6.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 13,999,019 km

• M1: 153,039 km (0.11 R)
• M2: 628,311 km (0.12 R)
• M3: 1,017,864 km (0.11 R)
• M4: 1,606,232 km (0.038 R)
• M5: 2,126,384 km (0.073 R)
• M6: 2,786,859 km (0.071 R)
• M7: 3,864,263 km (0.12 R)
• M8: 4,358,534 km (0.065 R)
• M9: 4,809,572 km (0.119 R)
• M10: 5,662,429 km (0.053 R)
• M11: 6,404,883 km (0.118 R)
• M12: 6,799,822 km (0.082 R)
• M13: 7,610,044 km (0.104 R)
• M14: 8,993,525 km (0.073 R)
• M15: 9,557,658 km (0.111 R)
• M16: 10,394,210 km (0.065 R)
• M17: 12,905,659 km (0.113 R)
• M18: 13,367,617 km (0.099 R)
• M19: 14,280,014 km (0.108 R)
• M20: 15,280,076 km (0.092 R)
• M21: 16,423,752 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.3

Radius: 13.1

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.14 AU - 2.54 AU

Year: 2428 Days

Day: 13.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 13,999,019 km

• M1: 173,085 km (0.12 R)
• M2: 776,263 km (0.103 R)
• M3: 1,704,369 km (0.117 R)
• M4: 2,540,621 km (0.096 R)
• M5: 2,980,738 km (0.109 R)
• M6: 3,401,108 km (0.085 R)
• M7: 4,157,325 km (0.063 R)
• M8: 4,976,822 km (0.096 R)
• M9: 5,474,534 km (0.111 R)
• M10: 6,005,307 km (0.113 R)
• M11: 6,851,732 km (0.119 R)
• M12: 7,259,386 km (0.117 R)
• M13: 8,514,512 km (0.054 R)
• M14: 9,089,866 km (0.108 R)
• M15: 11,778,738 km (0.119 R)
• M16: 12,884,416 km (0.106 R)
• M17: 14,385,780 km (0.093 R)
• M18: 15,849,296 km (0.066 R)
• M19: 16,984,145 km (0.099 R)
• M20: 17,952,193 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.8

Radius: 8.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.11 AU - 3.47 AU

Year: 3161 Days

Day: 9.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 13,999,019 km

• M1: 238,010 km (0.117 R)
• M2: 595,100 km (0.059 R)
• M3: 1,109,418 km (0.109 R)
• M4: 2,357,812 km (0.094 R)
• M5: 2,805,409 km (0.108 R)
• M6: 3,094,582 km (0.034 R)
• M7: 5,647,020 km (0.097 R)
• M8: 9,542,549 km (0.088 R)
• M9: 10,889,827 km (0.084 R)
• M10: 13,062,437 km (0.117 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 252 - 14,085 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit