🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.5

Radius: 13.5

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.53 AU - 0.85 AU

Year: 364 Days

Day: 12 Hours

Environment

Temp: -139 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,105,443 km

• M1: 167,849 km (0.038 R)
• M2: 625,768 km (0.105 R)
• M3: 1,095,655 km (0.088 R)
• M4: 1,599,351 km (0.075 R)
• M5: 2,123,093 km (0.095 R)
• M6: 2,872,728 km (0.118 R)
• M7: 3,327,505 km (0.108 R)
• M8: 4,467,740 km (0.067 R)
• M9: 4,946,154 km (0.104 R)
• M10: 5,410,805 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.2

Radius: 15

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.81 AU - 1.01 AU

Year: 552 Days

Day: 11.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,105,443 km

• M1: 186,549 km (0.054 R)
• M2: 654,640 km (0.096 R)
• M3: 1,130,810 km (0.086 R)
• M4: 1,752,240 km (0.038 R)
• M5: 2,894,270 km (0.082 R)
• M6: 3,541,131 km (0.109 R)
• M7: 4,008,026 km (0.07 R)
• M8: 4,903,669 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.7

Radius: 14.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.2 AU - 1.74 AU

Year: 1133 Days

Day: 14.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,105,443 km

• M1: 181,612 km (0.117 R)
• M2: 646,263 km (0.099 R)
• M3: 1,271,283 km (0.108 R)
• M4: 1,824,196 km (0.053 R)
• M5: 2,420,643 km (0.092 R)
• M6: 3,375,078 km (0.107 R)
• M7: 3,883,411 km (0.088 R)
• M8: 4,733,277 km (0.035 R)
• M9: 5,831,774 km (0.092 R)
• M10: 6,900,052 km (0.112 R)
• M11: 7,803,623 km (0.097 R)
• M12: 9,364,677 km (0.054 R)
• M13: 9,969,950 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.6

Radius: 6

Gravity: 26.21 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.13 AU - 8.33 AU

Year: 11101 Days

Day: 19.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,105,443 km

• M1: 74,649 km (0.115 R)
• M2: 355,145 km (0.107 R)
• M3: 573,857 km (0.045 R)
• M4: 778,507 km (0.032 R)
• M5: 1,010,384 km (0.089 R)
• M6: 1,301,501 km (0.108 R)
• M7: 2,108,133 km (0.052 R)
• M8: 2,874,373 km (0.092 R)
• M9: 3,514,353 km (0.114 R)
• M10: 4,396,681 km (0.093 R)
• M11: 4,583,230 km (0.064 R)
• M12: 4,905,913 km (0.049 R)
• M13: 5,382,980 km (0.107 R)
• M14: 5,669,311 km (0.068 R)
• M15: 6,509,003 km (0.064 R)
• M16: 7,341,964 km (0.081 R)
• M17: 10,265,107 km (0.077 R)
• M18: 10,539,020 km (0.119 R)
• M19: 11,332,039 km (0.062 R)
• M20: 12,720,157 km (0.119 R)
• M21: 14,150,313 km (0.101 R)
• M22: 15,255,692 km (0.103 R)
• M23: 16,343,119 km (0.057 R)
• M24: 17,403,767 km (0.118 R)
• M25: 19,493,949 km (0.118 R)
• M26: 24,944,697 km (0.082 R)
• M27: 26,655,797 km (0.071 R)
• M28: 34,041,594 km (0.11 R)
• M29: 35,020,263 km (0.08 R)
• M30: 37,678,019 km (0.117 R)
• M31: 38,330,116 km (0.115 R)
• M32: 39,388,970 km (0.045 R)
• M33: 42,965,107 km (0.041 R)
• M34: 46,006,880 km (0.113 R)
• M35: 48,112,620 km (0.077 R)
• M36: 51,870,519 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.7

Radius: 7.6

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.35 AU - 8.31 AU

Year: 11349 Days

Day: 18.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,105,443 km

• M1: 96,341 km (0.118 R)
• M2: 1,640,640 km (0.077 R)
• M3: 4,161,514 km (0.066 R)
• M4: 4,893,197 km (0.109 R)
• M5: 6,583,353 km (0.075 R)
• M6: 10,699,090 km (0.092 R)
• M7: 13,756,123 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 747.4

Radius: 3

Gravity: 83.04 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.67 AU - 8.35 AU

Year: 11801 Days

Day: 16.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 55,105,443 km

• M1: 42,635 km (0.083 R)
• M2: 172,786 km (0.104 R)
• M3: 293,810 km (0.115 R)
• M4: 477,816 km (0.119 R)
• M5: 576,999 km (0.059 R)
• M6: 716,125 km (0.084 R)
• M7: 867,069 km (0.096 R)
• M8: 1,145,471 km (0.106 R)
• M9: 1,352,814 km (0.068 R)
• M10: 1,479,972 km (0.12 R)
• M11: 2,259,526 km (0.09 R)
• M12: 2,649,677 km (0.068 R)
• M13: 2,872,130 km (0.066 R)
• M14: 3,106,998 km (0.081 R)
• M15: 3,204,386 km (0.084 R)
• M16: 3,832,697 km (0.093 R)
• M17: 4,146,404 km (0.111 R)
• M18: 4,264,587 km (0.109 R)
• M19: 4,538,949 km (0.073 R)
• M20: 4,824,831 km (0.056 R)
• M21: 5,754,581 km (0.099 R)
• M22: 6,838,567 km (0.102 R)
• M23: 7,870,045 km (0.12 R)
• M24: 8,005,880 km (0.103 R)
• M25: 8,235,662 km (0.076 R)
• M26: 9,760,064 km (0.116 R)
• M27: 11,175,559 km (0.093 R)
• M28: 11,578,726 km (0.114 R)
• M29: 11,813,445 km (0.109 R)
• M30: 12,598,235 km (0.085 R)
• M31: 12,971,931 km (0.083 R)
• M32: 15,090,685 km (0.042 R)
• M33: 15,583,012 km (0.085 R)
• M34: 16,973,374 km (0.039 R)
• M35: 17,892,803 km (0.069 R)
• M36: 19,006,709 km (0.084 R)
• M37: 22,352,166 km (0.043 R)
• M38: 27,916,159 km (0.119 R)
• M39: 32,676,364 km (0.065 R)
• M40: 38,078,792 km (0.076 R)
• M41: 48,000,721 km (0.1 R)
• M42: 52,824,803 km (0.083 R)
• M43: 53,469,869 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 19,519 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit