🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.1

Radius: 11.8

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.54 AU - 0.68 AU

Year: 318 Days

Day: 12.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 24,073,862 km

• M1: 146,756 km (0.04 R)
• M2: 518,506 km (0.091 R)
• M3: 1,019,809 km (0.112 R)
• M4: 1,388,567 km (0.026 R)
• M5: 2,321,909 km (0.039 R)
• M6: 3,202,292 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.5

Radius: 11.9

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.68 AU - 2.14 AU

Year: 1760 Days

Day: 11.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,073,862 km

• M1: 147,952 km (0.046 R)
• M2: 595,400 km (0.046 R)
• M3: 973,433 km (0.04 R)
• M4: 1,899,295 km (0.113 R)
• M5: 2,280,021 km (0.093 R)
• M6: 3,152,626 km (0.104 R)
• M7: 4,197,866 km (0.114 R)
• M8: 6,022,361 km (0.048 R)
• M9: 6,544,907 km (0.11 R)
• M10: 7,853,290 km (0.049 R)
• M11: 8,326,169 km (0.086 R)
• M12: 9,826,187 km (0.068 R)
• M13: 10,516,431 km (0.115 R)
• M14: 11,612,086 km (0.06 R)
• M15: 12,265,829 km (0.119 R)
• M16: 14,462,973 km (0.088 R)
• M17: 15,129,730 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.5

Radius: 9.3

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.62 AU - 2.78 AU

Year: 2959 Days

Day: 10.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,073,862 km

• M1: 116,836 km (0.104 R)
• M2: 462,706 km (0.08 R)
• M3: 782,696 km (0.112 R)
• M4: 1,472,492 km (0.052 R)
• M5: 1,972,747 km (0.032 R)
• M6: 2,283,911 km (0.089 R)
• M7: 3,226,676 km (0.117 R)
• M8: 3,530,959 km (0.101 R)
• M9: 4,694,980 km (0.11 R)
• M10: 5,087,225 km (0.093 R)
• M11: 6,205,320 km (0.1 R)
• M12: 6,822,261 km (0.069 R)
• M13: 8,145,604 km (0.083 R)
• M14: 8,713,478 km (0.066 R)
• M15: 9,059,647 km (0.099 R)
• M16: 9,816,612 km (0.06 R)
• M17: 10,229,652 km (0.093 R)
• M18: 10,851,082 km (0.065 R)
• M19: 12,602,274 km (0.056 R)
• M20: 14,679,441 km (0.115 R)
• M21: 15,369,685 km (0.082 R)
• M22: 15,875,924 km (0.093 R)
• M23: 18,632,265 km (0.082 R)
• M24: 19,676,758 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.2

Radius: 9.9

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.46 AU - 4.74 AU

Year: 6579 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 24,073,862 km

• M1: 123,119 km (0.1 R)
• M2: 445,203 km (0.1 R)
• M3: 755,918 km (0.104 R)
• M4: 1,496,128 km (0.079 R)
• M5: 2,308,894 km (0.106 R)
• M6: 2,795,087 km (0.096 R)
• M7: 3,640,015 km (0.062 R)
• M8: 4,223,746 km (0.117 R)
• M9: 4,812,564 km (0.074 R)
• M10: 6,594,274 km (0.075 R)
• M11: 13,367,318 km (0.114 R)
• M12: 17,011,223 km (0.106 R)
• M13: 17,475,425 km (0.096 R)
• M14: 19,705,780 km (0.113 R)
• M15: 20,365,805 km (0.102 R)
• M16: 21,116,487 km (0.055 R)
• M17: 22,912,709 km (0.1 R)
• M18: 23,806,856 km (0.115 R)
• M19: 28,166,437 km (0.116 R)
• M20: 29,192,379 km (0.086 R)
• M21: 29,953,982 km (0.11 R)
• M22: 30,533,823 km (0.07 R)
• M23: 32,928,287 km (0.079 R)
• M24: 34,486,947 km (0.098 R)
• M25: 35,660,692 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 106.8

Radius: 4.8

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.74 AU - 6.76 AU

Year: 10420 Days

Day: 22.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,073,862 km

• M1: 1,325,138 km (0.058 R)
• M2: 3,694,319 km (0.068 R)
• M3: 4,705,751 km (0.054 R)
• M4: 5,717,182 km (0.095 R)
• M5: 6,273,686 km (0.114 R)
• M6: 8,052,255 km (0.113 R)
• M7: 11,764,975 km (0.052 R)
• M8: 12,517,901 km (0.069 R)
• M9: 14,968,913 km (0.057 R)
• M10: 23,685,831 km (0.103 R)
• M11: 26,356,751 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.5

Radius: 4.5

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.38 AU - 7.78 AU

Year: 11256 Days

Day: 21.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,073,862 km

• M1: 61,485 km (0.075 R)
• M2: 272,119 km (0.103 R)
• M3: 508,034 km (0.087 R)
• M4: 660,175 km (0.085 R)
• M5: 1,233,584 km (0.059 R)
• M6: 1,593,068 km (0.068 R)
• M7: 3,692,674 km (0.112 R)
• M8: 4,938,675 km (0.057 R)
• M9: 5,269,884 km (0.077 R)
• M10: 5,807,838 km (0.059 R)
• M11: 8,543,684 km (0.043 R)
• M12: 9,133,100 km (0.113 R)
• M13: 12,538,546 km (0.074 R)
• M14: 13,640,783 km (0.102 R)
• M15: 14,038,713 km (0.11 R)
• M16: 14,291,533 km (0.062 R)
• M17: 14,806,000 km (0.09 R)
• M18: 15,332,735 km (0.078 R)
• M19: 17,217,219 km (0.08 R)
• M20: 18,036,118 km (0.067 R)
• M21: 20,713,471 km (0.077 R)
• M22: 22,180,427 km (0.091 R)
• M23: 22,661,385 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 12,854 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit