🌌 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: 120.4

Radius: 11

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.6 AU - 0.82 AU

Year: 392 Days

Day: 5.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,160,428 km

• M1: 136,732 km (0.089 R)
• M2: 570,566 km (0.116 R)
• M3: 958,324 km (0.119 R)
• M4: 1,643,033 km (0.095 R)
• M5: 2,122,495 km (0.09 R)
• M6: 2,590,886 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.2

Radius: 13.8

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.89 AU - 1.09 AU

Year: 646 Days

Day: 15 Hours

Environment

Temp: -150 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,160,428 km

• M1: 171,589 km (0.076 R)
• M2: 605,722 km (0.073 R)
• M3: 1,344,586 km (0.069 R)
• M4: 1,791,285 km (0.087 R)
• M5: 2,407,628 km (0.075 R)
• M6: 2,929,126 km (0.089 R)
• M7: 3,423,248 km (0.072 R)
• M8: 3,902,859 km (0.08 R)
• M9: 4,787,132 km (0.11 R)
• M10: 5,710,151 km (0.05 R)
• M11: 6,467,864 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 9.9

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.02 AU - 1.06 AU

Year: 696 Days

Day: 13.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,160,428 km

• M1: 123,119 km (0.095 R)
• M2: 456,872 km (0.082 R)
• M3: 774,917 km (0.035 R)
• M4: 1,197,681 km (0.096 R)
• M5: 1,665,323 km (0.104 R)
• M6: 1,974,542 km (0.102 R)
• M7: 2,839,517 km (0.111 R)
• M8: 3,404,548 km (0.112 R)
• M9: 3,938,762 km (0.089 R)
• M10: 4,495,566 km (0.092 R)
• M11: 5,652,406 km (0.065 R)
• M12: 6,078,909 km (0.085 R)
• M13: 6,780,673 km (0.043 R)
• M14: 7,240,387 km (0.055 R)
• M15: 7,627,696 km (0.096 R)
• M16: 8,222,348 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 11.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.07 AU - 1.55 AU

Year: 984 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,160,428 km

• M1: 141,819 km (0.051 R)
• M2: 506,538 km (0.11 R)
• M3: 974,331 km (0.095 R)
• M4: 1,363,285 km (0.09 R)
• M5: 2,059,514 km (0.076 R)
• M6: 2,802,567 km (0.074 R)
• M7: 3,236,999 km (0.094 R)
• M8: 3,689,831 km (0.087 R)
• M9: 4,344,771 km (0.048 R)
• M10: 4,849,963 km (0.076 R)
• M11: 5,923,477 km (0.094 R)
• M12: 6,506,909 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.1

Radius: 15

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.07 AU - 3.19 AU

Year: 2798 Days

Day: 7.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,160,428 km

• M1: 186,549 km (0.117 R)
• M2: 695,181 km (0.117 R)
• M3: 1,256,323 km (0.099 R)
• M4: 2,286,005 km (0.099 R)
• M5: 4,297,797 km (0.067 R)
• M6: 4,877,938 km (0.052 R)
• M7: 5,535,570 km (0.088 R)
• M8: 6,114,813 km (0.115 R)
• M9: 9,793,275 km (0.119 R)
• M10: 15,094,724 km (0.108 R)
• M11: 19,438,149 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.5

Radius: 13

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 4.68 AU - 5.12 AU

Year: 7115 Days

Day: 12.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,160,428 km

• M1: 161,715 km (0.086 R)
• M2: 638,783 km (0.108 R)
• M3: 1,238,970 km (0.111 R)
• M4: 1,987,258 km (0.115 R)
• M5: 4,305,277 km (0.095 R)
• M6: 6,424,481 km (0.074 R)
• M7: 9,605,679 km (0.112 R)
• M8: 10,060,457 km (0.12 R)
• M9: 13,657,986 km (0.082 R)
• M10: 14,351,073 km (0.081 R)
• M11: 20,842,275 km (0.116 R)
• M12: 22,073,615 km (0.081 R)
• M13: 24,850,301 km (0.046 R)
• M14: 25,796,507 km (0.052 R)
• M15: 32,389,136 km (0.081 R)
• M16: 33,621,972 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288

Radius: 5.6

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.49 AU - 11.11 AU

Year: 21685 Days

Day: 17.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,160,428 km

• M1: 69,713 km (0.078 R)
• M2: 1,187,957 km (0.062 R)
• M3: 1,460,674 km (0.073 R)
• M4: 1,757,925 km (0.114 R)
• M5: 3,525,573 km (0.083 R)
• M6: 5,436,686 km (0.082 R)
• M7: 6,268,749 km (0.077 R)
• M8: 7,313,840 km (0.118 R)
• M9: 7,671,528 km (0.067 R)
• M10: 12,919,871 km (0.114 R)
• M11: 13,179,423 km (0.064 R)
• M12: 15,023,665 km (0.091 R)
• M13: 17,033,363 km (0.109 R)
• M14: 21,667,756 km (0.077 R)
• M15: 22,685,769 km (0.117 R)
• M16: 26,448,006 km (0.041 R)
• M17: 28,805,818 km (0.079 R)
• M18: 42,431,790 km (0.115 R)
• M19: 44,168,472 km (0.094 R)
• M20: 44,757,738 km (0.11 R)
• M21: 50,780,848 km (0.088 R)
• M22: 51,915,996 km (0.078 R)
• M23: 56,799,918 km (0.118 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: 429 - 13,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit