🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.7

Radius: 11.6

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.52 AU - 0.6 AU

Year: 289 Days

Day: 7.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,135,931 km

• M1: 144,512 km (0.052 R)
• M2: 587,022 km (0.114 R)
• M3: 1,046,736 km (0.058 R)
• M4: 1,663,828 km (0.044 R)
• M5: 2,079,410 km (0.116 R)
• M6: 2,478,687 km (0.118 R)
• M7: 2,919,851 km (0.111 R)
• M8: 3,520,786 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.2

Radius: 12.2

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.58 AU - 0.6 AU

Year: 313 Days

Day: 12.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,135,931 km

• M1: 151,692 km (0.077 R)
• M2: 565,480 km (0.081 R)
• M3: 1,411,905 km (0.118 R)
• M4: 1,832,574 km (0.092 R)
• M5: 2,520,275 km (0.084 R)
• M6: 2,905,490 km (0.066 R)
• M7: 3,297,735 km (0.07 R)
• M8: 3,904,804 km (0.107 R)
• M9: 4,411,342 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.5

Radius: 11.9

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.74 AU - 0.82 AU

Year: 476 Days

Day: 13.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,135,931 km

• M1: 150,795 km (0.052 R)
• M2: 578,645 km (0.114 R)
• M3: 1,073,215 km (0.064 R)
• M4: 1,461,122 km (0.111 R)
• M5: 1,920,388 km (0.096 R)
• M6: 2,418,399 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.4

Radius: 8.3

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.7 AU - 0.96 AU

Year: 522 Days

Day: 9.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 52.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,135,931 km

• M1: 107,561 km (0.118 R)
• M2: 389,403 km (0.104 R)
• M3: 781,798 km (0.099 R)
• M4: 1,335,311 km (0.061 R)
• M5: 2,495,442 km (0.093 R)
• M6: 3,968,682 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.2

Radius: 14.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.85 AU - 1.13 AU

Year: 680 Days

Day: 9 Hours

Environment

Temp: -173 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,135,931 km

• M1: 184,155 km (0.112 R)
• M2: 644,916 km (0.062 R)
• M3: 1,292,077 km (0.063 R)
• M4: 1,780,514 km (0.048 R)
• M5: 2,916,859 km (0.072 R)
• M6: 4,582,332 km (0.111 R)
• M7: 5,152,151 km (0.104 R)
• M8: 5,631,462 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.6

Radius: 9.3

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.62 AU - 2.76 AU

Year: 3045 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,135,931 km

• M1: 115,639 km (0.106 R)
• M2: 416,331 km (0.071 R)
• M3: 760,107 km (0.057 R)
• M4: 1,270,236 km (0.086 R)
• M5: 1,666,221 km (0.096 R)
• M6: 1,957,638 km (0.098 R)
• M7: 2,356,017 km (0.11 R)
• M8: 3,243,431 km (0.04 R)
• M9: 5,246,098 km (0.104 R)
• M10: 5,717,780 km (0.082 R)
• M11: 6,361,500 km (0.039 R)
• M12: 6,806,703 km (0.115 R)
• M13: 7,464,934 km (0.101 R)
• M14: 8,337,987 km (0.109 R)
• M15: 10,245,809 km (0.097 R)
• M16: 10,733,946 km (0.116 R)
• M17: 12,703,851 km (0.098 R)
• M18: 13,030,573 km (0.072 R)
• M19: 13,995,180 km (0.051 R)
• M20: 14,596,414 km (0.109 R)
• M21: 15,530,353 km (0.081 R)
• M22: 16,066,213 km (0.087 R)
• M23: 16,503,637 km (0.117 R)
• M24: 19,175,156 km (0.118 R)
• M25: 20,935,324 km (0.091 R)
• M26: 22,595,711 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.6

Radius: 11.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.36 AU - 5.44 AU

Year: 6371 Days

Day: 6.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 34,135,931 km

• M1: 148,102 km (0.064 R)
• M2: 589,116 km (0.088 R)
• M3: 1,056,460 km (0.066 R)
• M4: 1,448,855 km (0.114 R)
• M5: 2,226,764 km (0.09 R)
• M6: 2,869,138 km (0.115 R)
• M7: 4,049,465 km (0.106 R)
• M8: 4,763,495 km (0.044 R)
• M9: 5,352,612 km (0.115 R)
• M10: 6,711,110 km (0.083 R)
• M11: 7,526,119 km (0.045 R)
• M12: 7,900,563 km (0.082 R)
• M13: 9,183,664 km (0.104 R)
• M14: 10,143,184 km (0.025 R)
• M15: 11,168,379 km (0.079 R)
• M16: 12,312,653 km (0.066 R)
• M17: 16,153,279 km (0.091 R)
• M18: 16,969,036 km (0.064 R)
• M19: 17,354,849 km (0.118 R)
• M20: 23,073,676 km (0.116 R)
• M21: 25,090,704 km (0.1 R)
• M22: 27,310,438 km (0.114 R)
• M23: 27,840,762 km (0.098 R)
• M24: 28,558,383 km (0.117 R)
• M25: 29,472,875 km (0.052 R)
• M26: 31,072,076 km (0.076 R)
• M27: 31,844,300 km (0.072 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: 173 - 17,130 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit