🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.4

Radius: 13.9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.49 AU - 0.67 AU

Year: 295 Days

Day: 13.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,798,626 km

• M1: 172,935 km (0.114 R)
• M2: 635,193 km (0.113 R)
• M3: 1,233,734 km (0.071 R)
• M4: 1,980,825 km (0.11 R)
• M5: 2,472,254 km (0.074 R)
• M6: 2,945,582 km (0.076 R)
• M7: 3,446,735 km (0.057 R)
• M8: 4,141,019 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.1

Radius: 13

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.65 AU - 0.67 AU

Year: 358 Days

Day: 5.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,798,626 km

• M1: 162,014 km (0.116 R)
• M2: 571,913 km (0.108 R)
• M3: 1,079,049 km (0.054 R)
• M4: 1,510,938 km (0.11 R)
• M5: 1,943,875 km (0.08 R)
• M6: 2,943,338 km (0.074 R)
• M7: 3,375,078 km (0.074 R)
• M8: 4,313,954 km (0.097 R)
• M9: 4,962,610 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.6

Radius: 9.1

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.79 AU - 0.99 AU

Year: 560 Days

Day: 7.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,798,626 km

• M1: 113,096 km (0.054 R)
• M2: 420,370 km (0.11 R)
• M3: 813,962 km (0.077 R)
• M4: 1,297,014 km (0.068 R)
• M5: 1,945,520 km (0.036 R)
• M6: 2,665,535 km (0.098 R)
• M7: 3,164,893 km (0.117 R)
• M8: 3,450,026 km (0.076 R)
• M9: 4,441,262 km (0.099 R)
• M10: 5,558,159 km (0.092 R)
• M11: 6,811,640 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.6

Radius: 13.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.14 AU - 1.16 AU

Year: 822 Days

Day: 5 Hours

Environment

Temp: -176 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,798,626 km

• M1: 170,392 km (0.081 R)
• M2: 643,271 km (0.118 R)
• M3: 1,190,799 km (0.093 R)
• M4: 1,728,155 km (0.082 R)
• M5: 2,331,632 km (0.045 R)
• M6: 2,766,364 km (0.107 R)
• M7: 3,907,945 km (0.075 R)
• M8: 4,629,007 km (0.081 R)
• M9: 5,305,638 km (0.082 R)
• M10: 6,813,136 km (0.098 R)
• M11: 7,714,613 km (0.071 R)
• M12: 8,461,106 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.9

Radius: 13.7

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.17 AU - 1.87 AU

Year: 1250 Days

Day: 13.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,798,626 km

• M1: 172,038 km (0.099 R)
• M2: 842,386 km (0.112 R)
• M3: 2,635,466 km (0.047 R)
• M4: 3,642,708 km (0.055 R)
• M5: 5,041,299 km (0.102 R)
• M6: 5,506,099 km (0.118 R)
• M7: 6,105,987 km (0.098 R)
• M8: 6,749,407 km (0.102 R)
• M9: 7,685,740 km (0.094 R)

Asteroid Belt

Center: 3.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.3

Radius: 9.9

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.85 AU - 5.13 AU

Year: 6345 Days

Day: 10.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,798,626 km

• M1: 132,544 km (0.07 R)
• M2: 556,953 km (0.044 R)
• M3: 1,346,680 km (0.107 R)
• M4: 2,798,976 km (0.118 R)
• M5: 3,326,458 km (0.077 R)
• M6: 4,123,965 km (0.102 R)
• M7: 5,768,494 km (0.104 R)
• M8: 6,309,739 km (0.096 R)
• M9: 7,184,587 km (0.098 R)
• M10: 9,786,394 km (0.107 R)
• M11: 10,123,886 km (0.045 R)
• M12: 10,956,847 km (0.119 R)
• M13: 12,025,574 km (0.068 R)
• M14: 14,750,799 km (0.067 R)
• M15: 25,352,351 km (0.107 R)
• M16: 28,222,985 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.1

Radius: 4.1

Gravity: 36.95 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 7.73 AU - 10.83 AU

Year: 18852 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 70,798,626 km

• M1: 55,501 km (0.11 R)
• M2: 284,984 km (0.081 R)
• M3: 463,604 km (0.043 R)
• M4: 754,123 km (0.025 R)
• M5: 1,130,062 km (0.05 R)
• M6: 2,078,064 km (0.057 R)
• M7: 2,639,954 km (0.109 R)
• M8: 3,576,735 km (0.109 R)
• M9: 4,279,995 km (0.103 R)
• M10: 4,612,850 km (0.074 R)
• M11: 4,927,006 km (0.115 R)
• M12: 5,405,719 km (0.087 R)
• M13: 5,597,803 km (0.102 R)
• M14: 5,914,651 km (0.081 R)
• M15: 6,160,141 km (0.03 R)
• M16: 6,937,302 km (0.086 R)
• M17: 9,001,005 km (0.109 R)
• M18: 9,941,377 km (0.065 R)
• M19: 11,191,267 km (0.108 R)
• M20: 11,440,647 km (0.107 R)
• M21: 11,630,038 km (0.082 R)
• M22: 17,323,433 km (0.025 R)
• M23: 19,123,545 km (0.099 R)
• M24: 19,931,822 km (0.088 R)
• M25: 21,329,216 km (0.033 R)
• M26: 26,457,431 km (0.109 R)
• M27: 27,799,922 km (0.106 R)
• M28: 29,659,573 km (0.073 R)
• M29: 30,257,217 km (0.117 R)
• M30: 31,230,201 km (0.072 R)
• M31: 31,476,738 km (0.115 R)
• M32: 37,928,446 km (0.105 R)
• M33: 40,211,908 km (0.057 R)
• M34: 40,503,623 km (0.105 R)
• M35: 42,434,334 km (0.117 R)
• M36: 44,115,215 km (0.119 R)
• M37: 45,523,081 km (0.092 R)
• M38: 47,122,132 km (0.097 R)
• M39: 47,609,074 km (0.083 R)
• M40: 49,423,247 km (0.11 R)
• M41: 55,141,326 km (0.118 R)
• M42: 59,377,190 km (0.106 R)
• M43: 66,231,316 km (0.112 R)
• M44: 68,282,153 km (0.116 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 11,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit