🌌 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: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.4

Radius: 9.1

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.72 AU - 0.8 AU

Year: 435 Days

Day: 9.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,931,876 km

• M1: 113,096 km (0.034 R)
• M2: 427,401 km (0.09 R)
• M3: 879,935 km (0.091 R)
• M4: 1,278,463 km (0.075 R)
• M5: 1,686,267 km (0.106 R)
• M6: 2,283,761 km (0.083 R)
• M7: 2,706,076 km (0.064 R)
• M8: 3,037,585 km (0.112 R)
• M9: 3,431,326 km (0.099 R)
• M10: 3,783,031 km (0.088 R)
• M11: 4,588,017 km (0.052 R)
• M12: 5,123,278 km (0.114 R)
• M13: 5,502,808 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859

Radius: 8.5

Gravity: 11.89 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.72 AU - 1.18 AU

Year: 607 Days

Day: 10.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,931,876 km

• M1: 105,766 km (0.091 R)
• M2: 435,031 km (0.112 R)
• M3: 877,840 km (0.115 R)
• M4: 1,194,838 km (0.113 R)
• M5: 1,749,248 km (0.11 R)
• M6: 2,104,692 km (0.097 R)
• M7: 2,562,163 km (0.074 R)
• M8: 3,109,242 km (0.1 R)
• M9: 4,156,278 km (0.094 R)
• M10: 4,861,033 km (0.118 R)
• M11: 5,832,223 km (0.099 R)
• M12: 7,569,203 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.6

Radius: 9.1

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.09 AU - 1.35 AU

Year: 884 Days

Day: 12.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,931,876 km

• M1: 118,182 km (0.104 R)
• M2: 404,961 km (0.113 R)
• M3: 750,084 km (0.117 R)
• M4: 1,075,309 km (0.088 R)
• M5: 1,457,981 km (0.07 R)
• M6: 2,087,937 km (0.102 R)
• M7: 2,548,699 km (0.028 R)
• M8: 2,868,988 km (0.049 R)
• M9: 3,440,153 km (0.113 R)
• M10: 4,736,867 km (0.031 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 11.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.36 AU - 1.86 AU

Year: 1340 Days

Day: 15 Hours

Environment

Temp: -177 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,931,876 km

• M1: 139,425 km (0.104 R)
• M2: 490,083 km (0.06 R)
• M3: 846,126 km (0.107 R)
• M4: 1,206,208 km (0.111 R)
• M5: 1,918,593 km (0.067 R)
• M6: 2,432,761 km (0.079 R)
• M7: 3,383,156 km (0.042 R)
• M8: 5,941,279 km (0.115 R)
• M9: 6,308,393 km (0.114 R)
• M10: 7,183,989 km (0.094 R)
• M11: 7,752,311 km (0.068 R)
• M12: 8,457,366 km (0.072 R)
• M13: 10,485,315 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.7

Radius: 10.1

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.02 AU - 3.1 AU

Year: 3511 Days

Day: 8.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,931,876 km

• M1: 125,662 km (0.117 R)
• M2: 642,373 km (0.106 R)
• M3: 1,094,907 km (0.105 R)
• M4: 1,623,735 km (0.044 R)
• M5: 2,029,146 km (0.077 R)
• M6: 2,533,739 km (0.073 R)
• M7: 2,939,000 km (0.068 R)
• M8: 3,271,107 km (0.068 R)
• M9: 3,669,636 km (0.056 R)
• M10: 3,989,775 km (0.093 R)
• M11: 4,860,285 km (0.062 R)
• M12: 5,194,786 km (0.08 R)
• M13: 6,442,731 km (0.06 R)
• M14: 7,776,097 km (0.117 R)
• M15: 8,270,967 km (0.062 R)
• M16: 9,521,156 km (0.118 R)
• M17: 11,513,351 km (0.091 R)
• M18: 12,156,921 km (0.081 R)
• M19: 13,167,006 km (0.072 R)
• M20: 14,759,027 km (0.104 R)
• M21: 15,135,714 km (0.089 R)
• M22: 15,908,088 km (0.117 R)
• M23: 18,756,880 km (0.077 R)
• M24: 21,859,839 km (0.059 R)
• M25: 24,010,309 km (0.084 R)
• M26: 24,606,755 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.7

Radius: 10.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.78 AU - 3.84 AU

Year: 3950 Days

Day: 7.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,931,876 km

• M1: 135,536 km (0.104 R)
• M2: 522,545 km (0.117 R)
• M3: 1,072,018 km (0.054 R)
• M4: 1,953,449 km (0.112 R)
• M5: 2,321,460 km (0.113 R)
• M6: 2,708,021 km (0.055 R)
• M7: 3,716,609 km (0.087 R)
• M8: 4,307,222 km (0.118 R)
• M9: 6,746,714 km (0.113 R)
• M10: 9,284,193 km (0.059 R)
• M11: 10,372,817 km (0.109 R)
• M12: 12,005,977 km (0.085 R)
• M13: 13,213,531 km (0.078 R)
• M14: 13,889,863 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.3

Radius: 10.2

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.36 AU - 4.18 AU

Year: 4802 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 30,931,876 km

• M1: 127,607 km (0.119 R)
• M2: 468,391 km (0.11 R)
• M3: 933,940 km (0.112 R)
• M4: 1,274,574 km (0.092 R)
• M5: 1,926,222 km (0.053 R)
• M6: 3,224,133 km (0.11 R)
• M7: 3,555,044 km (0.038 R)
• M8: 5,141,080 km (0.075 R)
• M9: 6,106,286 km (0.097 R)
• M10: 6,881,053 km (0.056 R)
• M11: 7,940,057 km (0.094 R)
• M12: 9,558,855 km (0.105 R)
• M13: 11,529,209 km (0.107 R)
• M14: 11,914,573 km (0.11 R)
• M15: 12,358,430 km (0.068 R)
• M16: 13,226,995 km (0.077 R)
• M17: 15,781,079 km (0.118 R)
• M18: 16,256,501 km (0.107 R)
• M19: 18,779,170 km (0.086 R)
• M20: 20,976,763 km (0.118 R)
• M21: 21,770,380 km (0.093 R)
• M22: 22,884,435 km (0.058 R)
• M23: 23,648,132 km (0.075 R)
• M24: 24,349,746 km (0.069 R)
• M25: 27,466,468 km (0.084 R)
• M26: 28,503,481 km (0.081 R)
• M27: 28,943,149 km (0.113 R)
• M28: 29,476,764 km (0.117 R)
• M29: 30,198,425 km (0.051 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: 198 - 13,844 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit