🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343

Radius: 10.4

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.48 AU - 0.6 AU

Year: 279 Days

Day: 14.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,749,436 km

• M1: 129,402 km (0.036 R)
• M2: 477,068 km (0.041 R)
• M3: 828,772 km (0.052 R)
• M4: 1,156,990 km (0.083 R)
• M5: 1,523,355 km (0.048 R)
• M6: 2,085,095 km (0.049 R)
• M7: 2,729,114 km (0.096 R)
• M8: 3,351,291 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.1

Radius: 13.7

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.88 AU - 1 AU

Year: 641 Days

Day: 9.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 74,749,436 km

• M1: 170,392 km (0.086 R)
• M2: 639,082 km (0.06 R)
• M3: 1,257,221 km (0.09 R)
• M4: 1,791,435 km (0.04 R)
• M5: 2,427,824 km (0.094 R)
• M6: 2,866,295 km (0.116 R)
• M7: 4,074,148 km (0.099 R)
• M8: 5,003,151 km (0.112 R)
• M9: 5,829,979 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.6

Radius: 14.2

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.9 AU - 1.08 AU

Year: 692 Days

Day: 8.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,749,436 km

• M1: 176,525 km (0.088 R)
• M2: 621,280 km (0.076 R)
• M3: 1,160,730 km (0.076 R)
• M4: 1,929,813 km (0.114 R)
• M5: 2,636,662 km (0.1 R)
• M6: 3,196,009 km (0.087 R)
• M7: 4,010,569 km (0.086 R)
• M8: 4,655,336 km (0.111 R)
• M9: 5,441,922 km (0.108 R)
• M10: 6,073,823 km (0.098 R)
• M11: 6,818,821 km (0.057 R)
• M12: 7,811,402 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.1

Radius: 13.7

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.65 AU - 1.89 AU

Year: 1655 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,749,436 km

• M1: 170,691 km (0.115 R)
• M2: 668,104 km (0.065 R)
• M3: 1,099,245 km (0.091 R)
• M4: 1,551,928 km (0.081 R)
• M5: 2,199,687 km (0.054 R)
• M6: 2,786,410 km (0.065 R)
• M7: 3,703,445 km (0.06 R)
• M8: 4,973,830 km (0.111 R)
• M9: 5,856,158 km (0.073 R)
• M10: 7,655,970 km (0.09 R)
• M11: 8,984,250 km (0.058 R)
• M12: 9,703,666 km (0.088 R)
• M13: 11,945,988 km (0.117 R)
• M14: 12,585,370 km (0.075 R)
• M15: 13,647,963 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.5

Radius: 14.7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.05 AU - 5.15 AU

Year: 6935 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,749,436 km

• M1: 208,240 km (0.077 R)
• M2: 668,852 km (0.08 R)
• M3: 1,171,800 km (0.095 R)
• M4: 1,761,365 km (0.082 R)
• M5: 2,711,761 km (0.112 R)
• M6: 3,209,174 km (0.075 R)
• M7: 4,183,504 km (0.085 R)
• M8: 5,293,820 km (0.065 R)
• M9: 6,655,011 km (0.071 R)
• M10: 7,334,036 km (0.112 R)
• M11: 10,186,269 km (0.103 R)
• M12: 12,569,063 km (0.047 R)
• M13: 13,507,491 km (0.09 R)
• M14: 16,030,010 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.3

Radius: 7.3

Gravity: 13.95 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.23 AU - 10.59 AU

Year: 18695 Days

Day: 21.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 74,749,436 km

• M1: 91,404 km (0.083 R)
• M2: 374,294 km (0.072 R)
• M3: 635,941 km (0.093 R)
• M4: 896,690 km (0.101 R)
• M5: 1,314,217 km (0.064 R)
• M6: 2,336,569 km (0.119 R)
• M7: 3,346,953 km (0.119 R)
• M8: 3,872,490 km (0.111 R)
• M9: 4,418,074 km (0.053 R)
• M10: 5,661,681 km (0.083 R)
• M11: 9,256,069 km (0.073 R)
• M12: 9,592,066 km (0.072 R)
• M13: 10,649,124 km (0.111 R)
• M14: 11,142,947 km (0.109 R)
• M15: 12,176,369 km (0.078 R)
• M16: 12,923,012 km (0.104 R)
• M17: 15,114,322 km (0.092 R)
• M18: 15,502,229 km (0.118 R)
• M19: 19,207,020 km (0.076 R)
• M20: 25,045,825 km (0.067 R)
• M21: 27,495,041 km (0.114 R)
• M22: 27,841,061 km (0.057 R)
• M23: 28,306,759 km (0.102 R)
• M24: 29,977,768 km (0.089 R)
• M25: 32,477,548 km (0.066 R)
• M26: 37,462,448 km (0.106 R)
• M27: 38,603,431 km (0.118 R)
• M28: 46,754,421 km (0.072 R)
• M29: 48,746,915 km (0.034 R)
• M30: 58,226,633 km (0.071 R)
• M31: 63,095,894 km (0.087 R)
• M32: 68,863,939 km (0.078 R)
• M33: 74,302,420 km (0.078 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: 534 - 17,529 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit