🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.3

Radius: 13.9

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.64 AU - 0.86 AU

Year: 419 Days

Day: 8.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,249,793 km

• M1: 173,085 km (0.09 R)
• M2: 714,479 km (0.086 R)
• M3: 1,311,973 km (0.07 R)
• M4: 1,811,780 km (0.055 R)
• M5: 2,449,216 km (0.048 R)
• M6: 2,965,778 km (0.116 R)
• M7: 4,578,592 km (0.107 R)
• M8: 5,435,639 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.5

Radius: 9.5

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.93 AU - 1.21 AU

Year: 715 Days

Day: 10.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,249,793 km

• M1: 118,781 km (0.058 R)
• M2: 500,106 km (0.045 R)
• M3: 829,520 km (0.097 R)
• M4: 1,237,174 km (0.101 R)
• M5: 1,703,471 km (0.108 R)
• M6: 3,149,185 km (0.109 R)
• M7: 3,561,925 km (0.097 R)
• M8: 4,098,832 km (0.104 R)
• M9: 4,512,470 km (0.09 R)
• M10: 5,072,864 km (0.1 R)
• M11: 5,923,028 km (0.073 R)
• M12: 6,253,041 km (0.031 R)
• M13: 6,781,571 km (0.091 R)
• M14: 7,295,589 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.3

Radius: 12.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.23 AU - 1.47 AU

Year: 1013 Days

Day: 5.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,249,793 km

• M1: 154,235 km (0.05 R)
• M2: 543,190 km (0.073 R)
• M3: 954,135 km (0.026 R)
• M4: 1,385,276 km (0.082 R)
• M5: 1,884,185 km (0.056 R)
• M6: 2,275,234 km (0.112 R)
• M7: 4,276,405 km (0.102 R)
• M8: 4,679,421 km (0.052 R)
• M9: 5,700,128 km (0.096 R)
• M10: 7,114,725 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 14.5

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.48 AU - 2.12 AU

Year: 1559 Days

Day: 14.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,249,793 km

• M1: 180,415 km (0.081 R)
• M2: 668,702 km (0.118 R)
• M3: 1,369,569 km (0.12 R)
• M4: 4,706,349 km (0.097 R)
• M5: 5,260,759 km (0.1 R)
• M6: 5,995,284 km (0.045 R)
• M7: 6,648,429 km (0.106 R)
• M8: 7,236,049 km (0.104 R)
• M9: 8,268,274 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.9

Radius: 14.8

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.33 AU - 3.15 AU

Year: 2928 Days

Day: 6 Hours

Environment

Temp: -198 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,249,793 km

• M1: 192,532 km (0.102 R)
• M2: 839,394 km (0.062 R)
• M3: 1,417,290 km (0.067 R)
• M4: 2,506,961 km (0.077 R)
• M5: 4,021,939 km (0.083 R)
• M6: 7,138,960 km (0.111 R)
• M7: 7,866,305 km (0.1 R)
• M8: 8,542,786 km (0.05 R)
• M9: 10,538,572 km (0.078 R)
• M10: 11,564,065 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.8

Radius: 11

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.9 AU - 3.74 AU

Year: 3906 Days

Day: 13.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,249,793 km

• M1: 137,480 km (0.106 R)
• M2: 546,331 km (0.086 R)
• M3: 987,944 km (0.099 R)
• M4: 1,679,236 km (0.04 R)
• M5: 2,036,476 km (0.111 R)
• M6: 2,513,693 km (0.106 R)
• M7: 3,516,747 km (0.091 R)
• M8: 3,936,518 km (0.056 R)
• M9: 4,855,498 km (0.068 R)
• M10: 5,591,968 km (0.054 R)
• M11: 6,296,126 km (0.091 R)
• M12: 7,002,078 km (0.085 R)
• M13: 7,610,044 km (0.101 R)
• M14: 9,647,118 km (0.112 R)
• M15: 11,000,380 km (0.074 R)
• M16: 12,896,832 km (0.077 R)
• M17: 13,240,160 km (0.035 R)
• M18: 14,034,973 km (0.086 R)
• M19: 17,120,429 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274

Radius: 14.4

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.81 AU - 3.99 AU

Year: 4048 Days

Day: 14.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,249,793 km

• M1: 179,218 km (0.083 R)
• M2: 836,402 km (0.043 R)
• M3: 1,350,121 km (0.12 R)
• M4: 3,210,819 km (0.07 R)
• M5: 4,611,205 km (0.079 R)
• M6: 5,486,053 km (0.054 R)
• M7: 8,256,755 km (0.08 R)
• M8: 15,039,972 km (0.109 R)
• M9: 15,779,583 km (0.103 R)
• M10: 16,543,430 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 204.7

Radius: 4.8

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.32 AU - 8.9 AU

Year: 13555 Days

Day: 15.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,249,793 km

• M1: 61,036 km (0.103 R)
• M2: 1,519,914 km (0.103 R)
• M3: 1,996,832 km (0.108 R)
• M4: 3,089,495 km (0.028 R)
• M5: 4,051,110 km (0.081 R)
• M6: 5,444,016 km (0.096 R)
• M7: 9,309,625 km (0.048 R)
• M8: 13,559,551 km (0.094 R)
• M9: 14,932,411 km (0.076 R)
• M10: 26,224,058 km (0.072 R)
• M11: 30,676,240 km (0.095 R)
• M12: 33,342,972 km (0.044 R)
• M13: 35,827,493 km (0.078 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 19,835 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit