🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.4

Radius: 13.6

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.68 AU - 0.8 AU

Year: 432 Days

Day: 7.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,080,596 km

• M1: 169,195 km (0.106 R)
• M2: 684,859 km (0.095 R)
• M3: 1,566,439 km (0.08 R)
• M4: 2,485,120 km (0.093 R)
• M5: 2,939,000 km (0.07 R)
• M6: 3,673,675 km (0.103 R)
• M7: 4,112,894 km (0.106 R)
• M8: 4,572,459 km (0.096 R)
• M9: 6,365,988 km (0.051 R)

Asteroid Belt

Center: 1 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.9

Radius: 12.5

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.2 AU - 1.3 AU

Year: 948 Days

Day: 10.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 27,080,596 km

• M1: 155,432 km (0.085 R)
• M2: 570,267 km (0.083 R)
• M3: 1,016,069 km (0.057 R)
• M4: 2,907,135 km (0.078 R)
• M5: 3,944,597 km (0.099 R)
• M6: 4,444,254 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59

Radius: 9.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.54 AU - 1.54 AU

Year: 1296 Days

Day: 8.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,080,596 km

• M1: 120,725 km (0.107 R)
• M2: 477,965 km (0.102 R)
• M3: 832,063 km (0.032 R)
• M4: 1,171,052 km (0.042 R)
• M5: 2,107,535 km (0.099 R)
• M6: 2,844,903 km (0.111 R)
• M7: 3,353,236 km (0.112 R)
• M8: 4,089,108 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.6

Radius: 9

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.68 AU - 1.84 AU

Year: 1584 Days

Day: 14.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,080,596 km

• M1: 111,899 km (0.058 R)
• M2: 484,996 km (0.104 R)
• M3: 800,648 km (0.097 R)
• M4: 1,498,971 km (0.105 R)
• M5: 1,865,485 km (0.104 R)
• M6: 2,328,341 km (0.036 R)
• M7: 3,546,218 km (0.043 R)
• M8: 3,838,981 km (0.105 R)
• M9: 5,160,079 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 12.1

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.14 AU - 2.32 AU

Year: 2259 Days

Day: 6.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,080,596 km

• M1: 150,495 km (0.1 R)
• M2: 631,303 km (0.057 R)
• M3: 1,037,910 km (0.045 R)
• M4: 1,498,223 km (0.113 R)
• M5: 1,999,376 km (0.045 R)
• M6: 2,443,831 km (0.046 R)
• M7: 3,129,438 km (0.107 R)
• M8: 3,752,214 km (0.11 R)
• M9: 4,212,377 km (0.102 R)
• M10: 4,645,762 km (0.092 R)
• M11: 5,177,582 km (0.069 R)
• M12: 5,651,508 km (0.1 R)
• M13: 6,051,383 km (0.065 R)
• M14: 6,605,045 km (0.036 R)
• M15: 7,221,239 km (0.104 R)
• M16: 9,370,811 km (0.08 R)
• M17: 9,754,978 km (0.086 R)
• M18: 10,295,774 km (0.092 R)
• M19: 10,818,619 km (0.08 R)
• M20: 11,595,929 km (0.064 R)
• M21: 13,175,533 km (0.048 R)
• M22: 14,153,006 km (0.05 R)
• M23: 14,941,087 km (0.028 R)
• M24: 15,611,884 km (0.113 R)
• M25: 17,220,510 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.5

Radius: 9.2

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.49 AU - 4.51 AU

Year: 6475 Days

Day: 11.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,080,596 km

• M1: 114,442 km (0.117 R)
• M2: 477,367 km (0.096 R)
• M3: 764,894 km (0.072 R)
• M4: 1,289,833 km (0.113 R)
• M5: 1,647,521 km (0.088 R)
• M6: 2,359,458 km (0.107 R)
• M7: 2,674,810 km (0.115 R)
• M8: 4,305,876 km (0.079 R)
• M9: 6,215,941 km (0.085 R)
• M10: 6,822,411 km (0.114 R)
• M11: 10,277,374 km (0.116 R)
• M12: 12,588,062 km (0.105 R)
• M13: 26,849,527 km (0.064 R)
• M14: 29,001,791 km (0.076 R)
• M15: 31,850,434 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.2

Radius: 7.8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 5.29 AU - 6.65 AU

Year: 9894 Days

Day: 21.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,080,596 km

• M1: 96,939 km (0.05 R)
• M2: 425,307 km (0.081 R)
• M3: 877,691 km (0.059 R)
• M4: 1,185,862 km (0.11 R)
• M5: 1,636,900 km (0.071 R)
• M6: 2,197,742 km (0.075 R)
• M7: 2,898,459 km (0.1 R)
• M8: 3,175,364 km (0.106 R)
• M9: 3,469,923 km (0.088 R)
• M10: 5,200,172 km (0.097 R)
• M11: 6,373,617 km (0.052 R)
• M12: 6,716,496 km (0.103 R)
• M13: 7,854,636 km (0.099 R)
• M14: 8,884,468 km (0.103 R)
• M15: 9,713,988 km (0.066 R)
• M16: 11,756,149 km (0.052 R)
• M17: 12,951,436 km (0.038 R)
• M18: 13,912,602 km (0.12 R)
• M19: 15,083,953 km (0.117 R)
• M20: 21,453,232 km (0.095 R)
• M21: 22,940,983 km (0.078 R)
• M22: 24,953,374 km (0.096 R)
• M23: 26,517,868 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 20,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit