🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.4

Radius: 10.7

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.03 AU - 1.17 AU

Year: 757 Days

Day: 5.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,297,355 km

• M1: 133,142 km (0.107 R)
• M2: 833,111 km (0.116 R)
• M3: 1,620,743 km (0.036 R)
• M4: 1,979,180 km (0.1 R)
• M5: 2,344,498 km (0.102 R)
• M6: 3,022,176 km (0.086 R)
• M7: 3,584,515 km (0.032 R)
• M8: 3,943,849 km (0.101 R)
• M9: 4,557,798 km (0.073 R)
• M10: 5,138,238 km (0.071 R)
• M11: 5,871,118 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.2

Radius: 12

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.53 AU - 2.07 AU

Year: 1584 Days

Day: 10.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,297,355 km

• M1: 150,346 km (0.119 R)
• M2: 623,075 km (0.113 R)
• M3: 1,102,536 km (0.088 R)
• M4: 1,856,809 km (0.086 R)
• M5: 2,372,024 km (0.098 R)
• M6: 2,829,494 km (0.113 R)
• M7: 3,971,375 km (0.092 R)
• M8: 4,346,267 km (0.099 R)
• M9: 5,055,211 km (0.109 R)
• M10: 5,860,497 km (0.096 R)
• M11: 6,392,167 km (0.1 R)
• M12: 7,750,815 km (0.103 R)
• M13: 8,131,691 km (0.089 R)
• M14: 10,107,580 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.3

Radius: 10

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.57 AU - 2.07 AU

Year: 1611 Days

Day: 5.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,297,355 km

• M1: 124,316 km (0.056 R)
• M2: 530,025 km (0.055 R)
• M3: 1,507,348 km (0.116 R)
• M4: 2,111,275 km (0.105 R)
• M5: 2,503,520 km (0.073 R)
• M6: 3,050,600 km (0.113 R)
• M7: 3,503,283 km (0.064 R)
• M8: 5,497,722 km (0.117 R)
• M9: 6,553,284 km (0.095 R)
• M10: 7,226,176 km (0.058 R)
• M11: 8,214,419 km (0.066 R)
• M12: 9,061,442 km (0.081 R)
• M13: 9,896,647 km (0.105 R)
• M14: 10,565,200 km (0.114 R)
• M15: 10,928,872 km (0.116 R)
• M16: 13,206,350 km (0.083 R)
• M17: 13,757,319 km (0.09 R)
• M18: 14,191,452 km (0.081 R)
• M19: 14,769,499 km (0.101 R)
• M20: 15,783,323 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.3

Radius: 9.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.69 AU - 3.17 AU

Year: 3290 Days

Day: 8.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,297,355 km

• M1: 137,032 km (0.101 R)
• M2: 572,810 km (0.106 R)
• M3: 1,293,124 km (0.118 R)
• M4: 1,745,508 km (0.077 R)
• M5: 2,235,740 km (0.097 R)
• M6: 2,636,214 km (0.08 R)
• M7: 3,284,421 km (0.099 R)
• M8: 4,255,461 km (0.076 R)
• M9: 4,741,804 km (0.091 R)
• M10: 6,133,961 km (0.102 R)
• M11: 6,783,366 km (0.111 R)
• M12: 7,689,331 km (0.072 R)
• M13: 9,421,973 km (0.114 R)
• M14: 9,847,878 km (0.086 R)
• M15: 12,593,598 km (0.029 R)
• M16: 13,642,129 km (0.098 R)
• M17: 13,958,678 km (0.056 R)
• M18: 17,136,735 km (0.055 R)
• M19: 17,879,489 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.9

Radius: 12

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.26 AU - 4.34 AU

Year: 4859 Days

Day: 7.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,297,355 km

• M1: 149,299 km (0.069 R)
• M2: 552,615 km (0.065 R)
• M3: 1,183,618 km (0.05 R)
• M4: 2,436,501 km (0.114 R)
• M5: 3,073,039 km (0.097 R)
• M6: 3,659,762 km (0.067 R)
• M7: 4,656,533 km (0.042 R)
• M8: 5,034,567 km (0.094 R)
• M9: 5,614,258 km (0.082 R)
• M10: 6,266,056 km (0.085 R)
• M11: 8,845,273 km (0.09 R)
• M12: 9,390,857 km (0.108 R)
• M13: 9,958,880 km (0.119 R)
• M14: 11,543,420 km (0.115 R)
• M15: 13,384,222 km (0.109 R)
• M16: 14,749,004 km (0.116 R)
• M17: 15,569,398 km (0.108 R)
• M18: 17,413,491 km (0.109 R)
• M19: 18,330,077 km (0.066 R)
• M20: 19,642,350 km (0.05 R)
• M21: 20,635,530 km (0.11 R)
• M22: 21,857,894 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.1

Radius: 4.5

Gravity: 29.78 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.75 AU - 8.05 AU

Year: 13206 Days

Day: 17.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 55,297,355 km

• M1: 57,745 km (0.087 R)
• M2: 372,798 km (0.081 R)
• M3: 660,325 km (0.085 R)
• M4: 939,923 km (0.1 R)
• M5: 1,517,820 km (0.108 R)
• M6: 1,799,064 km (0.117 R)
• M7: 2,304,705 km (0.062 R)
• M8: 2,548,400 km (0.11 R)
• M9: 2,742,129 km (0.076 R)
• M10: 3,725,585 km (0.116 R)
• M11: 4,177,969 km (0.059 R)
• M12: 4,509,628 km (0.108 R)
• M13: 5,976,285 km (0.103 R)
• M14: 6,280,418 km (0.055 R)
• M15: 8,467,688 km (0.1 R)
• M16: 8,610,255 km (0.096 R)
• M17: 9,296,909 km (0.093 R)
• M18: 11,869,245 km (0.068 R)
• M19: 13,094,601 km (0.115 R)
• M20: 14,267,299 km (0.063 R)
• M21: 15,087,095 km (0.098 R)
• M22: 17,967,602 km (0.09 R)
• M23: 18,520,665 km (0.112 R)
• M24: 21,194,428 km (0.055 R)
• M25: 21,990,438 km (0.114 R)
• M26: 22,350,520 km (0.115 R)
• M27: 23,547,902 km (0.107 R)
• M28: 24,690,530 km (0.115 R)
• M29: 28,445,736 km (0.119 R)
• M30: 33,267,724 km (0.046 R)
• M31: 36,558,129 km (0.103 R)
• M32: 38,868,369 km (0.09 R)
• M33: 41,684,250 km (0.06 R)
• M34: 45,500,641 km (0.04 R)
• M35: 45,792,357 km (0.08 R)
• M36: 48,473,300 km (0.075 R)
• M37: 52,687,921 km (0.11 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: 435 - 14,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit