🌌 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: 153.8

Radius: 14.7

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.54 AU - 0.68 AU

Year: 329 Days

Day: 6.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,109,512 km

• M1: 183,108 km (0.082 R)
• M2: 816,954 km (0.103 R)
• M3: 1,311,375 km (0.11 R)
• M4: 2,229,457 km (0.071 R)
• M5: 2,705,777 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101

Radius: 8.1

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.87 AU - 0.87 AU

Year: 560 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 60,109,512 km

• M1: 100,679 km (0.055 R)
• M2: 435,928 km (0.089 R)
• M3: 704,008 km (0.088 R)
• M4: 1,316,611 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 9.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.81 AU - 1.11 AU

Year: 649 Days

Day: 8.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,109,512 km

• M1: 115,639 km (0.119 R)
• M2: 566,378 km (0.098 R)
• M3: 1,177,036 km (0.06 R)
• M4: 2,539,573 km (0.077 R)
• M5: 3,036,238 km (0.099 R)
• M6: 3,732,317 km (0.03 R)
• M7: 4,063,377 km (0.119 R)
• M8: 4,388,454 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.4

Radius: 8.1

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.25 AU - 2.01 AU

Year: 1436 Days

Day: 6.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,109,512 km

• M1: 101,427 km (0.109 R)
• M2: 359,035 km (0.086 R)
• M3: 714,928 km (0.081 R)
• M4: 1,182,122 km (0.107 R)
• M5: 1,798,615 km (0.057 R)
• M6: 2,155,855 km (0.1 R)
• M7: 3,058,828 km (0.103 R)
• M8: 3,570,452 km (0.048 R)
• M9: 3,882,514 km (0.081 R)
• M10: 4,621,677 km (0.042 R)
• M11: 6,081,752 km (0.049 R)
• M12: 6,681,938 km (0.061 R)
• M13: 7,431,424 km (0.108 R)
• M14: 7,855,235 km (0.076 R)
• M15: 8,475,767 km (0.096 R)
• M16: 9,096,598 km (0.075 R)
• M17: 9,814,219 km (0.083 R)
• M18: 10,781,519 km (0.113 R)
• M19: 12,349,454 km (0.112 R)
• M20: 12,744,093 km (0.078 R)
• M21: 13,106,569 km (0.079 R)
• M22: 13,393,049 km (0.055 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.9

Radius: 5.3

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.31 AU - 6.35 AU

Year: 9717 Days

Day: 23.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,109,512 km

• M1: 65,973 km (0.066 R)
• M2: 233,522 km (0.097 R)
• M3: 414,984 km (0.061 R)
• M4: 604,824 km (0.065 R)
• M5: 1,035,666 km (0.118 R)
• M6: 1,323,792 km (0.109 R)
• M7: 1,650,513 km (0.088 R)
• M8: 1,937,143 km (0.119 R)
• M9: 2,273,140 km (0.096 R)
• M10: 2,482,128 km (0.119 R)
• M11: 4,118,429 km (0.065 R)
• M12: 5,013,025 km (0.088 R)
• M13: 5,583,292 km (0.116 R)
• M14: 8,020,540 km (0.12 R)
• M15: 8,342,325 km (0.096 R)
• M16: 11,895,424 km (0.116 R)
• M17: 12,156,024 km (0.081 R)
• M18: 12,634,587 km (0.053 R)
• M19: 13,292,070 km (0.064 R)
• M20: 14,675,102 km (0.088 R)
• M21: 15,401,400 km (0.12 R)
• M22: 17,056,850 km (0.106 R)
• M23: 17,388,209 km (0.082 R)
• M24: 20,716,612 km (0.116 R)
• M25: 22,174,593 km (0.093 R)
• M26: 24,362,312 km (0.097 R)
• M27: 25,637,933 km (0.101 R)
• M28: 31,284,954 km (0.067 R)
• M29: 32,081,862 km (0.057 R)
• M30: 33,302,730 km (0.107 R)
• M31: 35,513,188 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.8

Radius: 4

Gravity: 47.68 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.4 AU - 8.98 AU

Year: 13308 Days

Day: 21.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,109,512 km

• M1: 51,761 km (0.114 R)
• M2: 194,328 km (0.115 R)
• M3: 495,019 km (0.082 R)
• M4: 890,407 km (0.07 R)
• M5: 1,271,731 km (0.075 R)
• M6: 1,469,500 km (0.104 R)
• M7: 1,787,545 km (0.076 R)
• M8: 2,149,721 km (0.098 R)
• M9: 2,287,501 km (0.079 R)
• M10: 2,494,694 km (0.032 R)
• M11: 3,477,103 km (0.112 R)
• M12: 3,893,584 km (0.088 R)
• M13: 4,039,591 km (0.102 R)
• M14: 4,311,411 km (0.051 R)
• M15: 4,499,455 km (0.111 R)
• M16: 4,627,810 km (0.102 R)
• M17: 5,200,770 km (0.081 R)
• M18: 5,559,206 km (0.055 R)
• M19: 6,901,548 km (0.067 R)
• M20: 7,029,604 km (0.083 R)
• M21: 7,290,203 km (0.086 R)
• M22: 8,840,337 km (0.075 R)
• M23: 9,612,411 km (0.058 R)
• M24: 9,772,182 km (0.092 R)
• M25: 11,707,679 km (0.106 R)
• M26: 12,012,260 km (0.119 R)
• M27: 12,573,851 km (0.106 R)
• M28: 15,794,094 km (0.089 R)
• M29: 17,316,702 km (0.083 R)
• M30: 17,553,216 km (0.083 R)
• M31: 18,113,460 km (0.099 R)
• M32: 19,952,018 km (0.11 R)
• M33: 21,274,463 km (0.061 R)
• M34: 35,774,685 km (0.093 R)
• M35: 41,258,494 km (0.059 R)
• M36: 54,021,437 km (0.099 R)
• M37: 57,447,228 km (0.049 R)
• M38: 59,034,910 km (0.078 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 14,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit