🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.6

Radius: 13.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.66 AU - 0.76 AU

Year: 386 Days

Day: 13 Hours

Environment

Temp: -143 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,850,195 km

• M1: 170,392 km (0.117 R)
• M2: 619,036 km (0.071 R)
• M3: 1,085,033 km (0.073 R)
• M4: 1,816,866 km (0.116 R)
• M5: 2,300,666 km (0.042 R)
• M6: 2,861,508 km (0.11 R)
• M7: 3,320,175 km (0.064 R)
• M8: 4,212,078 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.5

Radius: 9.9

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.67 AU - 0.91 AU

Year: 453 Days

Day: 7.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 47,850,195 km

• M1: 123,119 km (0.113 R)
• M2: 1,025,643 km (0.093 R)
• M3: 1,448,407 km (0.087 R)
• M4: 1,838,707 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 9.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.88 AU - 0.96 AU

Year: 570 Days

Day: 10.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,850,195 km

• M1: 114,442 km (0.032 R)
• M2: 425,008 km (0.076 R)
• M3: 865,424 km (0.1 R)
• M4: 1,162,525 km (0.093 R)
• M5: 2,141,793 km (0.098 R)
• M6: 3,482,938 km (0.085 R)
• M7: 4,043,331 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.7

Radius: 11.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.04 AU - 1.12 AU

Year: 725 Days

Day: 13.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,850,195 km

• M1: 138,079 km (0.11 R)
• M2: 518,656 km (0.053 R)
• M3: 914,342 km (0.054 R)
• M4: 1,311,375 km (0.078 R)
• M5: 1,921,136 km (0.087 R)
• M6: 2,374,717 km (0.101 R)
• M7: 2,971,612 km (0.117 R)
• M8: 3,405,446 km (0.118 R)
• M9: 3,780,039 km (0.038 R)
• M10: 4,482,251 km (0.043 R)
• M11: 5,305,488 km (0.039 R)
• M12: 6,026,401 km (0.091 R)
• M13: 6,619,556 km (0.118 R)
• M14: 7,206,429 km (0.087 R)
• M15: 7,593,588 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415

Radius: 14

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.14 AU - 2.56 AU

Year: 2326 Days

Day: 7.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,850,195 km

• M1: 174,132 km (0.074 R)
• M2: 630,256 km (0.108 R)
• M3: 1,144,723 km (0.097 R)
• M4: 2,588,791 km (0.107 R)
• M5: 3,163,845 km (0.054 R)
• M6: 3,701,799 km (0.11 R)
• M7: 4,205,944 km (0.1 R)
• M8: 4,880,032 km (0.036 R)
• M9: 6,753,147 km (0.108 R)
• M10: 7,823,221 km (0.073 R)
• M11: 9,003,548 km (0.092 R)
• M12: 11,267,113 km (0.104 R)
• M13: 11,830,349 km (0.075 R)
• M14: 12,294,551 km (0.112 R)
• M15: 13,383,474 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.3

Radius: 11.9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.16 AU - 3.48 AU

Year: 3058 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,850,195 km

• M1: 147,952 km (0.115 R)
• M2: 554,260 km (0.07 R)
• M3: 1,470,248 km (0.111 R)
• M4: 2,239,031 km (0.045 R)
• M5: 3,380,164 km (0.069 R)
• M6: 3,761,190 km (0.109 R)
• M7: 4,460,709 km (0.1 R)
• M8: 4,898,133 km (0.077 R)
• M9: 5,860,048 km (0.12 R)
• M10: 6,495,091 km (0.101 R)
• M11: 6,915,012 km (0.092 R)
• M12: 7,840,724 km (0.053 R)
• M13: 9,154,941 km (0.105 R)
• M14: 9,719,822 km (0.053 R)
• M15: 10,919,747 km (0.095 R)
• M16: 11,965,436 km (0.061 R)
• M17: 12,857,638 km (0.104 R)
• M18: 15,652,276 km (0.088 R)
• M19: 16,564,075 km (0.067 R)
• M20: 18,716,788 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676

Radius: 4.7

Gravity: 30.6 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 5.21 AU - 7.25 AU

Year: 10040 Days

Day: 20.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 47,850,195 km

• M1: 58,493 km (0.035 R)
• M2: 297,401 km (0.059 R)
• M3: 452,384 km (0.093 R)
• M4: 617,540 km (0.075 R)
• M5: 769,980 km (0.096 R)
• M6: 917,933 km (0.108 R)
• M7: 1,552,228 km (0.095 R)
• M8: 2,306,799 km (0.117 R)
• M9: 2,893,372 km (0.063 R)
• M10: 4,185,300 km (0.091 R)
• M11: 4,442,608 km (0.109 R)
• M12: 5,343,786 km (0.107 R)
• M13: 5,544,546 km (0.059 R)
• M14: 5,784,950 km (0.108 R)
• M15: 8,184,500 km (0.051 R)
• M16: 8,770,175 km (0.117 R)
• M17: 8,955,826 km (0.116 R)
• M18: 9,383,227 km (0.105 R)
• M19: 10,485,016 km (0.04 R)
• M20: 14,756,633 km (0.086 R)
• M21: 15,152,170 km (0.105 R)
• M22: 15,895,372 km (0.093 R)
• M23: 16,171,679 km (0.1 R)
• M24: 16,733,569 km (0.098 R)
• M25: 18,270,837 km (0.119 R)
• M26: 18,573,922 km (0.103 R)
• M27: 20,463,493 km (0.078 R)
• M28: 20,626,554 km (0.094 R)
• M29: 22,218,725 km (0.04 R)
• M30: 24,896,676 km (0.103 R)
• M31: 26,313,069 km (0.103 R)
• M32: 28,082,363 km (0.03 R)
• M33: 30,245,099 km (0.075 R)
• M34: 30,456,630 km (0.079 R)
• M35: 31,638,154 km (0.09 R)
• M36: 41,293,201 km (0.076 R)
• M37: 43,541,956 km (0.108 R)
• M38: 44,082,603 km (0.106 R)
• M39: 46,853,604 km (0.116 R)
• M40: 47,706,911 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 12,603 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit