🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.4

Radius: 13.6

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.64 AU - 1.06 AU

Year: 541 Days

Day: 14.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,037,366 km

• M1: 169,195 km (0.102 R)
• M2: 593,604 km (0.068 R)
• M3: 1,318,107 km (0.049 R)
• M4: 1,862,344 km (0.069 R)
• M5: 2,610,932 km (0.104 R)
• M6: 3,317,333 km (0.116 R)
• M7: 4,303,931 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.9

Radius: 9.6

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.87 AU - 1.31 AU

Year: 786 Days

Day: 14.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,037,366 km

• M1: 121,174 km (0.105 R)
• M2: 434,432 km (0.068 R)
• M3: 735,722 km (0.046 R)
• M4: 1,160,730 km (0.109 R)
• M5: 1,788,592 km (0.066 R)
• M6: 2,160,642 km (0.068 R)
• M7: 2,639,505 km (0.08 R)
• M8: 3,252,108 km (0.109 R)
• M9: 4,528,926 km (0.112 R)
• M10: 5,137,939 km (0.059 R)
• M11: 5,462,417 km (0.108 R)
• M12: 7,008,361 km (0.094 R)
• M13: 7,408,236 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 186.7

Radius: 11.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.68 AU - 2.02 AU

Year: 1737 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,037,366 km

• M1: 165,006 km (0.079 R)
• M2: 680,820 km (0.061 R)
• M3: 1,462,319 km (0.054 R)
• M4: 3,399,911 km (0.113 R)
• M5: 3,852,444 km (0.08 R)
• M6: 7,115,324 km (0.095 R)
• M7: 7,687,236 km (0.072 R)
• M8: 8,735,319 km (0.109 R)
• M9: 9,307,680 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.5

Radius: 14.6

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.67 AU - 2.09 AU

Year: 1779 Days

Day: 14.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,037,366 km

• M1: 182,061 km (0.092 R)
• M2: 705,803 km (0.086 R)
• M3: 1,364,333 km (0.084 R)
• M4: 1,869,525 km (0.091 R)
• M5: 2,397,306 km (0.083 R)
• M6: 2,920,599 km (0.09 R)
• M7: 3,639,567 km (0.079 R)
• M8: 4,220,754 km (0.032 R)
• M9: 4,759,157 km (0.091 R)
• M10: 5,276,018 km (0.108 R)
• M11: 6,372,869 km (0.081 R)
• M12: 10,227,857 km (0.076 R)
• M13: 10,982,877 km (0.099 R)
• M14: 11,813,445 km (0.072 R)
• M15: 14,248,449 km (0.102 R)
• M16: 14,962,779 km (0.084 R)
• M17: 15,701,045 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.4

Radius: 12.4

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.69 AU - 2.97 AU

Year: 3286 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,037,366 km

• M1: 158,574 km (0.095 R)
• M2: 617,091 km (0.099 R)
• M3: 1,112,410 km (0.074 R)
• M4: 1,658,592 km (0.11 R)
• M5: 2,263,865 km (0.068 R)
• M6: 2,724,327 km (0.112 R)
• M7: 4,049,016 km (0.074 R)
• M8: 4,473,874 km (0.053 R)
• M9: 7,486,177 km (0.103 R)
• M10: 12,795,255 km (0.055 R)
• M11: 14,474,342 km (0.086 R)
• M12: 16,407,446 km (0.102 R)
• M13: 20,131,236 km (0.106 R)
• M14: 21,110,354 km (0.102 R)
• M15: 22,534,077 km (0.115 R)
• M16: 23,948,674 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.1

Radius: 9.1

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.06 AU - 3.58 AU

Year: 4176 Days

Day: 5.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,037,366 km

• M1: 113,096 km (0.049 R)
• M2: 599,887 km (0.093 R)
• M3: 1,014,124 km (0.113 R)
• M4: 1,687,165 km (0.077 R)
• M5: 2,086,890 km (0.105 R)
• M6: 2,858,067 km (0.076 R)
• M7: 3,678,761 km (0.097 R)
• M8: 3,962,399 km (0.102 R)
• M9: 6,790,397 km (0.102 R)
• M10: 7,185,635 km (0.117 R)
• M11: 8,426,998 km (0.045 R)
• M12: 9,599,995 km (0.12 R)
• M13: 10,268,398 km (0.112 R)
• M14: 10,922,889 km (0.109 R)
• M15: 18,435,544 km (0.079 R)
• M16: 23,982,932 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699

Radius: 14.6

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.13 AU - 6.47 AU

Year: 8422 Days

Day: 10.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,037,366 km

• M1: 181,612 km (0.086 R)
• M2: 843,134 km (0.074 R)
• M3: 1,572,722 km (0.025 R)
• M4: 2,265,510 km (0.037 R)
• M5: 4,165,403 km (0.079 R)
• M6: 4,921,022 km (0.12 R)
• M7: 7,042,918 km (0.085 R)
• M8: 9,073,111 km (0.098 R)
• M9: 9,624,828 km (0.116 R)
• M10: 10,395,257 km (0.053 R)
• M11: 11,521,579 km (0.078 R)
• M12: 12,059,832 km (0.089 R)
• M13: 12,898,628 km (0.097 R)
• M14: 16,580,680 km (0.078 R)
• M15: 17,547,830 km (0.047 R)
• M16: 20,597,233 km (0.116 R)
• M17: 21,877,791 km (0.077 R)
• M18: 28,208,025 km (0.083 R)
• M19: 32,052,391 km (0.097 R)
• M20: 32,583,015 km (0.04 R)
• M21: 34,099,937 km (0.094 R)
• M22: 36,233,203 km (0.098 R)
• M23: 42,525,140 km (0.105 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 272 - 11,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit