🌌 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: 294.2

Radius: 13.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.56 AU - 0.62 AU

Year: 307 Days

Day: 7.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,723,669 km

• M1: 170,392 km (0.07 R)
• M2: 626,516 km (0.064 R)
• M3: 1,168,359 km (0.117 R)
• M4: 1,630,018 km (0.065 R)
• M5: 2,281,816 km (0.099 R)
• M6: 2,985,226 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.6

Radius: 10.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.61 AU - 0.71 AU

Year: 364 Days

Day: 7 Hours

Environment

Temp: -159 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,723,669 km

• M1: 128,056 km (0.099 R)
• M2: 655,239 km (0.108 R)
• M3: 1,092,364 km (0.115 R)
• M4: 1,609,823 km (0.03 R)
• M5: 2,119,951 km (0.063 R)
• M6: 2,941,992 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.7

Radius: 11.1

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.98 AU - 1 AU

Year: 668 Days

Day: 5.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,723,669 km

• M1: 138,079 km (0.074 R)
• M2: 506,389 km (0.115 R)
• M3: 1,137,393 km (0.111 R)
• M4: 1,550,881 km (0.086 R)
• M5: 2,229,607 km (0.09 R)
• M6: 2,756,191 km (0.105 R)
• M7: 3,352,039 km (0.113 R)
• M8: 3,891,789 km (0.107 R)
• M9: 4,930,895 km (0.085 R)
• M10: 5,738,724 km (0.107 R)
• M11: 6,337,564 km (0.112 R)
• M12: 6,998,488 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.2

Radius: 8.8

Gravity: 9.69 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.71 AU - 1.91 AU

Year: 1652 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,723,669 km

• M1: 109,506 km (0.07 R)
• M2: 593,156 km (0.111 R)
• M3: 919,578 km (0.118 R)
• M4: 2,209,411 km (0.112 R)
• M5: 2,633,371 km (0.065 R)
• M6: 2,916,111 km (0.088 R)
• M7: 3,219,346 km (0.115 R)
• M8: 3,610,993 km (0.116 R)
• M9: 4,052,606 km (0.119 R)
• M10: 4,451,135 km (0.085 R)
• M11: 5,108,618 km (0.118 R)
• M12: 5,689,057 km (0.097 R)
• M13: 6,140,693 km (0.089 R)
• M14: 7,008,361 km (0.028 R)
• M15: 7,696,810 km (0.112 R)
• M16: 8,828,668 km (0.038 R)
• M17: 9,499,914 km (0.106 R)
• M18: 9,898,592 km (0.058 R)
• M19: 11,493,604 km (0.071 R)
• M20: 12,254,908 km (0.091 R)
• M21: 13,793,223 km (0.068 R)
• M22: 14,608,980 km (0.042 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.8

Radius: 12.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.5 AU - 2.28 AU

Year: 1762 Days

Day: 14.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,723,669 km

• M1: 159,621 km (0.06 R)
• M2: 563,685 km (0.107 R)
• M3: 1,040,902 km (0.12 R)
• M4: 1,926,521 km (0.055 R)
• M5: 2,815,282 km (0.077 R)
• M6: 4,515,612 km (0.041 R)
• M7: 5,185,511 km (0.082 R)
• M8: 5,595,110 km (0.105 R)
• M9: 6,026,401 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 510.8

Radius: 4.6

Gravity: 24.14 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.7 AU - 7.12 AU

Year: 9745 Days

Day: 21.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 42,723,669 km

• M1: 63,878 km (0.09 R)
• M2: 210,035 km (0.102 R)
• M3: 419,472 km (0.11 R)
• M4: 789,877 km (0.03 R)
• M5: 1,886,579 km (0.106 R)
• M6: 2,706,824 km (0.049 R)
• M7: 3,062,867 km (0.064 R)
• M8: 3,666,943 km (0.073 R)
• M9: 5,358,596 km (0.091 R)
• M10: 5,851,222 km (0.087 R)
• M11: 6,888,234 km (0.095 R)
• M12: 8,555,353 km (0.041 R)
• M13: 9,933,448 km (0.102 R)
• M14: 10,127,776 km (0.089 R)
• M15: 10,574,176 km (0.078 R)
• M16: 10,776,731 km (0.117 R)
• M17: 11,937,461 km (0.064 R)
• M18: 17,913,447 km (0.045 R)
• M19: 21,495,419 km (0.027 R)
• M20: 23,754,646 km (0.062 R)
• M21: 24,807,815 km (0.075 R)
• M22: 25,255,561 km (0.089 R)
• M23: 28,640,363 km (0.045 R)
• M24: 32,103,553 km (0.053 R)
• M25: 32,742,336 km (0.117 R)
• M26: 32,957,159 km (0.104 R)
• M27: 33,498,254 km (0.079 R)
• M28: 34,376,244 km (0.075 R)
• M29: 35,382,290 km (0.118 R)
• M30: 35,722,027 km (0.066 R)
• M31: 38,637,540 km (0.057 R)
• M32: 40,956,606 km (0.051 R)
• M33: 41,331,049 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 11,668 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit