🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 8.6

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.66 AU - 0.86 AU

Year: 457 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,198,459 km

• M1: 108,309 km (0.107 R)
• M2: 619,036 km (0.107 R)
• M3: 1,082,341 km (0.099 R)
• M4: 1,383,930 km (0.059 R)
• M5: 1,691,503 km (0.094 R)
• M6: 2,943,189 km (0.097 R)
• M7: 3,283,524 km (0.115 R)
• M8: 3,824,619 km (0.09 R)
• M9: 4,565,278 km (0.078 R)
• M10: 4,872,103 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.5

Radius: 8.3

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.92 AU - 1.06 AU

Year: 680 Days

Day: 14.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,198,459 km

• M1: 103,223 km (0.063 R)
• M2: 389,254 km (0.082 R)
• M3: 674,088 km (0.087 R)
• M4: 1,000,511 km (0.06 R)
• M5: 1,604,886 km (0.115 R)
• M6: 2,020,918 km (0.103 R)
• M7: 2,507,410 km (0.093 R)
• M8: 2,854,028 km (0.103 R)
• M9: 3,884,608 km (0.106 R)
• M10: 4,257,555 km (0.056 R)
• M11: 4,572,908 km (0.111 R)
• M12: 4,989,089 km (0.09 R)
• M13: 5,726,307 km (0.089 R)
• M14: 7,062,665 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.4

Radius: 9.7

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.85 AU - 1.87 AU

Year: 1751 Days

Day: 9.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 146.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,198,459 km

• M1: 121,324 km (0.06 R)
• M2: 698,323 km (0.041 R)
• M3: 1,219,971 km (0.088 R)
• M4: 1,583,793 km (0.08 R)
• M5: 2,273,738 km (0.119 R)
• M6: 3,197,654 km (0.033 R)
• M7: 3,644,204 km (0.087 R)
• M8: 4,059,637 km (0.094 R)
• M9: 5,090,217 km (0.099 R)
• M10: 5,455,236 km (0.051 R)
• M11: 6,482,225 km (0.078 R)
• M12: 8,199,160 km (0.038 R)
• M13: 10,437,144 km (0.035 R)
• M14: 11,028,205 km (0.111 R)
• M15: 11,531,453 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 9

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.67 AU - 4.53 AU

Year: 5730 Days

Day: 5.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,198,459 km

• M1: 113,994 km (0.102 R)
• M2: 481,256 km (0.084 R)
• M3: 851,062 km (0.08 R)
• M4: 1,253,181 km (0.111 R)
• M5: 3,337,080 km (0.08 R)
• M6: 5,617,250 km (0.038 R)
• M7: 6,760,777 km (0.09 R)
• M8: 7,667,938 km (0.08 R)
• M9: 8,531,417 km (0.1 R)
• M10: 10,638,653 km (0.117 R)
• M11: 13,016,810 km (0.08 R)
• M12: 17,577,750 km (0.115 R)
• M13: 20,579,880 km (0.074 R)
• M14: 22,240,715 km (0.07 R)
• M15: 23,342,953 km (0.068 R)
• M16: 27,044,453 km (0.096 R)
• M17: 27,757,137 km (0.113 R)
• M18: 29,875,742 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.1

Radius: 14

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.45 AU - 6.31 AU

Year: 8614 Days

Day: 11.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,198,459 km

• M1: 175,329 km (0.12 R)
• M2: 831,914 km (0.064 R)
• M3: 2,911,175 km (0.113 R)
• M4: 4,753,024 km (0.093 R)
• M5: 5,385,523 km (0.112 R)
• M6: 7,594,186 km (0.1 R)
• M7: 8,847,218 km (0.082 R)
• M8: 9,884,081 km (0.113 R)
• M9: 12,693,080 km (0.081 R)
• M10: 13,578,101 km (0.067 R)
• M11: 14,653,859 km (0.035 R)
• M12: 16,590,254 km (0.108 R)
• M13: 22,202,718 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.3

Radius: 6.9

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.66 AU - 5.92 AU

Year: 9617 Days

Day: 18.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,198,459 km

• M1: 85,869 km (0.066 R)
• M2: 302,337 km (0.061 R)
• M3: 547,827 km (0.036 R)
• M4: 1,088,474 km (0.12 R)
• M5: 1,358,648 km (0.046 R)
• M6: 1,590,375 km (0.058 R)
• M7: 1,833,472 km (0.089 R)
• M8: 2,960,991 km (0.085 R)
• M9: 3,197,505 km (0.116 R)
• M10: 4,061,582 km (0.077 R)
• M11: 6,311,085 km (0.034 R)
• M12: 8,148,895 km (0.03 R)
• M13: 8,966,148 km (0.042 R)
• M14: 9,509,637 km (0.059 R)
• M15: 10,762,520 km (0.11 R)
• M16: 11,324,409 km (0.112 R)
• M17: 12,395,680 km (0.089 R)
• M18: 20,587,809 km (0.062 R)
• M19: 23,763,771 km (0.075 R)
• M20: 24,020,930 km (0.062 R)
• M21: 24,715,513 km (0.079 R)
• M22: 25,334,100 km (0.113 R)
• M23: 26,053,666 km (0.098 R)
• M24: 27,252,095 km (0.067 R)
• M25: 33,155,077 km (0.069 R)
• M26: 36,006,861 km (0.05 R)
• M27: 39,256,426 km (0.067 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 297 - 13,143 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit