🌌 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: 975.8

Radius: 12.1

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.56 AU - 0.62 AU

Year: 313 Days

Day: 14.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,301,001 km

• M1: 152,739 km (0.048 R)
• M2: 578,794 km (0.053 R)
• M3: 974,481 km (0.091 R)
• M4: 1,489,247 km (0.112 R)
• M5: 1,912,609 km (0.112 R)
• M6: 2,716,249 km (0.067 R)
• M7: 3,147,689 km (0.083 R)
• M8: 3,794,400 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.1

Radius: 10.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.59 AU - 0.89 AU

Year: 439 Days

Day: 5.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,301,001 km

• M1: 125,812 km (0.054 R)
• M2: 460,313 km (0.069 R)
• M3: 784,790 km (0.059 R)
• M4: 1,442,871 km (0.078 R)
• M5: 1,807,441 km (0.078 R)
• M6: 2,393,267 km (0.089 R)
• M7: 2,841,312 km (0.108 R)
• M8: 3,163,696 km (0.043 R)
• M9: 3,658,715 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.5

Radius: 14.2

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.3 AU - 1.98 AU

Year: 1450 Days

Day: 9.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,301,001 km

• M1: 176,675 km (0.095 R)
• M2: 625,768 km (0.082 R)
• M3: 1,437,935 km (0.06 R)
• M4: 2,203,427 km (0.056 R)
• M5: 3,113,730 km (0.108 R)
• M6: 3,561,925 km (0.088 R)
• M7: 4,019,246 km (0.119 R)
• M8: 5,297,261 km (0.063 R)
• M9: 5,896,699 km (0.051 R)
• M10: 6,564,953 km (0.056 R)
• M11: 7,438,305 km (0.072 R)
• M12: 7,998,699 km (0.092 R)
• M13: 9,025,240 km (0.117 R)
• M14: 9,851,319 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 8

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.55 AU - 2.15 AU

Year: 1737 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,301,001 km

• M1: 99,483 km (0.101 R)
• M2: 473,028 km (0.106 R)
• M3: 760,107 km (0.068 R)
• M4: 1,029,832 km (0.102 R)
• M5: 1,415,495 km (0.114 R)
• M6: 1,730,847 km (0.06 R)
• M7: 2,220,780 km (0.041 R)
• M8: 2,596,421 km (0.092 R)
• M9: 3,043,569 km (0.101 R)
• M10: 3,724,239 km (0.114 R)
• M11: 4,717,868 km (0.119 R)
• M12: 5,450,299 km (0.039 R)
• M13: 6,451,109 km (0.112 R)
• M14: 7,487,673 km (0.058 R)
• M15: 8,305,823 km (0.105 R)
• M16: 9,339,395 km (0.114 R)
• M17: 9,723,862 km (0.114 R)
• M18: 10,286,649 km (0.051 R)
• M19: 10,905,834 km (0.064 R)
• M20: 11,586,355 km (0.074 R)
• M21: 12,067,911 km (0.066 R)
• M22: 13,071,264 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576

Radius: 11.3

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.98 AU - 5.22 AU

Year: 6810 Days

Day: 9.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,301,001 km

• M1: 140,622 km (0.092 R)
• M2: 679,025 km (0.073 R)
• M3: 1,082,191 km (0.11 R)
• M4: 2,492,001 km (0.037 R)
• M5: 2,991,808 km (0.111 R)
• M6: 3,513,456 km (0.11 R)
• M7: 4,022,088 km (0.094 R)
• M8: 4,740,158 km (0.074 R)
• M9: 5,392,255 km (0.111 R)
• M10: 6,200,383 km (0.116 R)
• M11: 6,840,811 km (0.052 R)
• M12: 7,636,822 km (0.12 R)
• M13: 8,135,581 km (0.079 R)
• M14: 9,456,381 km (0.095 R)
• M15: 10,915,109 km (0.116 R)
• M16: 11,648,438 km (0.107 R)
• M17: 13,267,835 km (0.07 R)
• M18: 15,878,468 km (0.115 R)
• M19: 17,402,571 km (0.077 R)
• M20: 18,539,664 km (0.041 R)
• M21: 21,712,037 km (0.107 R)
• M22: 22,325,537 km (0.117 R)
• M23: 25,229,681 km (0.088 R)
• M24: 27,035,477 km (0.073 R)
• M25: 32,767,768 km (0.117 R)
• M26: 34,395,393 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.5

Radius: 8.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.92 AU - 6.36 AU

Year: 8044 Days

Day: 8.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,301,001 km

• M1: 144,661 km (0.113 R)
• M2: 412,741 km (0.101 R)
• M3: 1,394,851 km (0.068 R)
• M4: 2,335,522 km (0.102 R)
• M5: 2,729,114 km (0.115 R)
• M6: 3,349,796 km (0.1 R)
• M7: 7,358,719 km (0.116 R)
• M8: 8,055,247 km (0.056 R)
• M9: 8,835,250 km (0.114 R)
• M10: 10,409,768 km (0.101 R)
• M11: 13,347,122 km (0.107 R)
• M12: 14,662,985 km (0.1 R)
• M13: 17,678,280 km (0.066 R)
• M14: 21,011,619 km (0.1 R)
• M15: 29,791,967 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 955.6

Radius: 7.1

Gravity: 18.96 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.24 AU - 7.92 AU

Year: 11651 Days

Day: 16.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,301,001 km

• M1: 88,263 km (0.099 R)
• M2: 384,317 km (0.119 R)
• M3: 808,726 km (0.087 R)
• M4: 1,388,119 km (0.105 R)
• M5: 1,655,300 km (0.106 R)
• M6: 2,028,547 km (0.048 R)
• M7: 3,087,550 km (0.119 R)
• M8: 3,467,379 km (0.105 R)
• M9: 3,877,876 km (0.103 R)
• M10: 4,139,523 km (0.115 R)
• M11: 4,506,636 km (0.034 R)
• M12: 5,448,205 km (0.098 R)
• M13: 6,119,002 km (0.12 R)
• M14: 10,210,952 km (0.077 R)
• M15: 12,373,389 km (0.071 R)
• M16: 12,624,116 km (0.063 R)
• M17: 13,200,666 km (0.027 R)
• M18: 14,337,310 km (0.075 R)
• M19: 16,880,624 km (0.111 R)
• M20: 20,311,352 km (0.114 R)
• M21: 21,102,575 km (0.075 R)
• M22: 23,408,177 km (0.099 R)
• M23: 25,068,714 km (0.097 R)
• M24: 36,196,252 km (0.059 R)
• M25: 39,620,398 km (0.051 R)
• M26: 40,854,131 km (0.099 R)
• M27: 41,131,785 km (0.105 R)
• M28: 44,123,443 km (0.088 R)
• M29: 47,104,480 km (0.038 R)
• M30: 47,870,271 km (0.112 R)
• M31: 48,178,892 km (0.102 R)
• M32: 48,644,291 km (0.108 R)
• M33: 50,535,806 km (0.09 R)
• M34: 54,130,194 km (0.102 R)
• M35: 58,417,221 km (0.072 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 12,851 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit