🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.5

Radius: 13.2

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.62 AU - 0.68 AU

Year: 362 Days

Day: 14.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,938,443 km

• M1: 164,109 km (0.116 R)
• M2: 699,520 km (0.114 R)
• M3: 1,246,150 km (0.036 R)
• M4: 1,840,652 km (0.081 R)
• M5: 2,281,517 km (0.1 R)
• M6: 2,963,983 km (0.049 R)
• M7: 3,382,109 km (0.064 R)
• M8: 4,584,576 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.8

Radius: 10.1

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.78 AU - 0.88 AU

Year: 522 Days

Day: 7 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,938,443 km

• M1: 125,662 km (0.118 R)
• M2: 451,486 km (0.115 R)
• M3: 789,578 km (0.096 R)
• M4: 1,204,712 km (0.093 R)
• M5: 1,632,113 km (0.112 R)
• M6: 2,120,699 km (0.098 R)
• M7: 2,595,972 km (0.107 R)
• M8: 3,070,496 km (0.115 R)
• M9: 3,938,014 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.3

Radius: 13.9

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.13 AU - 1.41 AU

Year: 988 Days

Day: 8.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,938,443 km

• M1: 172,935 km (0.026 R)
• M2: 615,595 km (0.098 R)
• M3: 1,199,625 km (0.106 R)
• M4: 1,632,562 km (0.086 R)
• M5: 3,745,033 km (0.068 R)
• M6: 5,462,117 km (0.083 R)
• M7: 5,894,605 km (0.105 R)
• M8: 6,439,590 km (0.08 R)
• M9: 7,234,703 km (0.111 R)
• M10: 8,199,908 km (0.12 R)
• M11: 8,741,452 km (0.102 R)
• M12: 10,637,157 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 10

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.31 AU - 2.43 AU

Year: 2518 Days

Day: 9.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,938,443 km

• M1: 124,465 km (0.111 R)
• M2: 1,105,977 km (0.086 R)
• M3: 1,430,904 km (0.068 R)
• M4: 2,035,429 km (0.104 R)
• M5: 2,404,337 km (0.075 R)
• M6: 2,993,304 km (0.084 R)
• M7: 4,787,880 km (0.04 R)
• M8: 5,645,375 km (0.06 R)
• M9: 5,979,128 km (0.099 R)
• M10: 6,602,053 km (0.059 R)
• M11: 7,297,683 km (0.071 R)
• M12: 8,332,901 km (0.105 R)
• M13: 9,570,823 km (0.108 R)
• M14: 12,493,965 km (0.105 R)
• M15: 13,694,488 km (0.119 R)
• M16: 15,662,299 km (0.104 R)
• M17: 17,109,957 km (0.076 R)
• M18: 17,756,968 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.6

Radius: 8.8

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 4.13 AU - 4.85 AU

Year: 6567 Days

Day: 13.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,938,443 km

• M1: 109,506 km (0.068 R)
• M2: 876,494 km (0.11 R)
• M3: 1,374,505 km (0.072 R)
• M4: 1,947,166 km (0.091 R)
• M5: 2,223,922 km (0.045 R)
• M6: 2,689,171 km (0.089 R)
• M7: 4,430,939 km (0.115 R)
• M8: 9,603,735 km (0.119 R)
• M9: 13,780,657 km (0.094 R)
• M10: 15,285,611 km (0.056 R)
• M11: 15,647,788 km (0.072 R)
• M12: 19,592,684 km (0.117 R)
• M13: 20,236,403 km (0.119 R)
• M14: 22,407,218 km (0.071 R)
• M15: 25,990,236 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.8

Radius: 12

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.02 AU - 5.14 AU

Year: 6766 Days

Day: 5.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,938,443 km

• M1: 149,299 km (0.095 R)
• M2: 554,859 km (0.102 R)
• M3: 1,045,091 km (0.068 R)
• M4: 1,615,807 km (0.08 R)
• M5: 2,607,491 km (0.114 R)
• M6: 4,044,378 km (0.046 R)
• M7: 6,021,015 km (0.101 R)
• M8: 8,745,791 km (0.119 R)
• M9: 9,458,176 km (0.114 R)
• M10: 10,697,744 km (0.104 R)
• M11: 11,305,261 km (0.053 R)
• M12: 14,449,509 km (0.112 R)
• M13: 15,895,223 km (0.07 R)
• M14: 19,966,529 km (0.109 R)
• M15: 20,888,051 km (0.109 R)
• M16: 22,404,974 km (0.112 R)
• M17: 25,035,652 km (0.107 R)
• M18: 26,016,715 km (0.105 R)
• M19: 26,838,456 km (0.083 R)
• M20: 28,341,616 km (0.096 R)
• M21: 31,106,334 km (0.052 R)
• M22: 35,250,045 km (0.118 R)
• M23: 39,508,498 km (0.109 R)
• M24: 40,715,753 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 13

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.37 AU - 5.41 AU

Year: 7464 Days

Day: 5.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,938,443 km

• M1: 161,715 km (0.066 R)
• M2: 869,612 km (0.069 R)
• M3: 1,389,465 km (0.092 R)
• M4: 1,877,453 km (0.096 R)
• M5: 3,024,869 km (0.095 R)
• M6: 3,859,326 km (0.11 R)
• M7: 4,435,726 km (0.109 R)
• M8: 5,302,945 km (0.058 R)
• M9: 6,347,438 km (0.076 R)
• M10: 7,189,823 km (0.034 R)
• M11: 7,791,955 km (0.065 R)
• M12: 8,265,432 km (0.032 R)
• M13: 9,847,729 km (0.098 R)
• M14: 12,614,541 km (0.046 R)
• M15: 13,103,277 km (0.062 R)
• M16: 14,118,598 km (0.097 R)
• M17: 20,887,603 km (0.095 R)
• M18: 28,242,582 km (0.092 R)
• M19: 31,001,316 km (0.108 R)
• M20: 32,093,082 km (0.116 R)
• M21: 32,699,402 km (0.105 R)
• M22: 34,988,100 km (0.09 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 16,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit