🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.7

Radius: 13.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.71 AU - 1.09 AU

Year: 543 Days

Day: 5.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 42,344,816 km

• M1: 178,171 km (0.06 R)
• M2: 694,583 km (0.084 R)
• M3: 1,219,223 km (0.091 R)
• M4: 1,834,369 km (0.08 R)
• M5: 2,594,775 km (0.03 R)
• M6: 3,606,057 km (0.1 R)
• M7: 4,430,640 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.8

Radius: 9.3

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.04 AU - 1.06 AU

Year: 684 Days

Day: 6.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,344,816 km

• M1: 117,734 km (0.109 R)
• M2: 428,149 km (0.11 R)
• M3: 767,886 km (0.099 R)
• M4: 1,083,089 km (0.114 R)
• M5: 1,410,708 km (0.077 R)
• M6: 1,724,115 km (0.119 R)
• M7: 2,316,972 km (0.042 R)
• M8: 3,104,455 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 13.8

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.52 AU - 2 AU

Year: 1485 Days

Day: 5.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,344,816 km

• M1: 171,888 km (0.084 R)
• M2: 703,708 km (0.118 R)
• M3: 1,296,864 km (0.103 R)
• M4: 2,210,159 km (0.097 R)
• M5: 2,748,562 km (0.091 R)
• M6: 3,272,005 km (0.089 R)
• M7: 4,183,056 km (0.069 R)
• M8: 5,257,168 km (0.114 R)
• M9: 5,765,352 km (0.061 R)
• M10: 7,785,971 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.6

Radius: 13.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.46 AU - 3.84 AU

Year: 3555 Days

Day: 10.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,344,816 km

• M1: 166,502 km (0.1 R)
• M2: 651,200 km (0.119 R)
• M3: 1,088,325 km (0.072 R)
• M4: 2,181,287 km (0.052 R)
• M5: 2,725,823 km (0.099 R)
• M6: 3,289,208 km (0.07 R)
• M7: 4,607,614 km (0.112 R)
• M8: 5,512,682 km (0.095 R)
• M9: 5,981,222 km (0.108 R)
• M10: 6,909,626 km (0.106 R)
• M11: 7,486,625 km (0.114 R)
• M12: 8,161,461 km (0.117 R)
• M13: 9,195,781 km (0.099 R)
• M14: 10,432,357 km (0.044 R)
• M15: 11,566,159 km (0.116 R)
• M16: 12,119,821 km (0.087 R)
• M17: 12,780,445 km (0.093 R)
• M18: 13,511,680 km (0.088 R)
• M19: 14,957,693 km (0.069 R)
• M20: 17,985,703 km (0.103 R)
• M21: 20,524,977 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.5

Radius: 13.2

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.9 AU - 5.4 AU

Year: 6375 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,344,816 km

• M1: 164,707 km (0.028 R)
• M2: 606,470 km (0.118 R)
• M3: 1,245,851 km (0.09 R)
• M4: 2,191,609 km (0.116 R)
• M5: 3,019,483 km (0.085 R)
• M6: 5,097,996 km (0.116 R)
• M7: 5,793,626 km (0.066 R)
• M8: 8,539,196 km (0.073 R)
• M9: 9,227,645 km (0.111 R)
• M10: 10,217,983 km (0.081 R)
• M11: 11,325,606 km (0.059 R)
• M12: 15,363,552 km (0.088 R)
• M13: 16,139,366 km (0.057 R)
• M14: 16,878,529 km (0.042 R)
• M15: 20,487,129 km (0.074 R)
• M16: 21,280,746 km (0.12 R)
• M17: 22,395,848 km (0.049 R)
• M18: 23,160,593 km (0.104 R)
• M19: 23,706,176 km (0.109 R)
• M20: 25,148,748 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.8

Radius: 8.2

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.11 AU - 6.73 AU

Year: 8023 Days

Day: 13.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,344,816 km

• M1: 104,419 km (0.101 R)
• M2: 468,241 km (0.066 R)
• M3: 844,779 km (0.084 R)
• M4: 1,205,908 km (0.053 R)
• M5: 1,519,765 km (0.062 R)
• M6: 1,949,709 km (0.095 R)
• M7: 2,297,375 km (0.111 R)
• M8: 3,385,699 km (0.114 R)
• M9: 3,966,737 km (0.059 R)
• M10: 4,528,178 km (0.118 R)
• M11: 5,080,942 km (0.114 R)
• M12: 6,044,203 km (0.112 R)
• M13: 6,497,484 km (0.119 R)
• M14: 6,824,505 km (0.12 R)
• M15: 7,710,274 km (0.103 R)
• M16: 8,627,459 km (0.099 R)
• M17: 8,889,704 km (0.117 R)
• M18: 10,088,581 km (0.092 R)
• M19: 10,478,284 km (0.079 R)
• M20: 11,444,088 km (0.114 R)
• M21: 11,921,754 km (0.069 R)
• M22: 14,573,675 km (0.11 R)
• M23: 19,550,796 km (0.104 R)
• M24: 19,928,082 km (0.084 R)
• M25: 21,089,560 km (0.116 R)
• M26: 29,512,818 km (0.113 R)
• M27: 35,623,741 km (0.077 R)
• M28: 36,985,381 km (0.028 R)
• M29: 37,331,251 km (0.12 R)
• M30: 38,381,578 km (0.045 R)
• M31: 40,054,231 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 752.9

Radius: 3.5

Gravity: 61.46 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.23 AU - 7.87 AU

Year: 11902 Days

Day: 22.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 42,344,816 km

• M1: 43,683 km (0.116 R)
• M2: 171,140 km (0.037 R)
• M3: 292,913 km (0.087 R)
• M4: 521,797 km (0.101 R)
• M5: 684,261 km (0.038 R)
• M6: 1,355,806 km (0.032 R)
• M7: 1,914,254 km (0.112 R)
• M8: 3,569,704 km (0.09 R)
• M9: 5,169,803 km (0.095 R)
• M10: 5,992,891 km (0.112 R)
• M11: 6,337,415 km (0.09 R)
• M12: 6,941,042 km (0.113 R)
• M13: 7,363,955 km (0.062 R)
• M14: 7,759,193 km (0.048 R)
• M15: 9,380,385 km (0.046 R)
• M16: 11,271,452 km (0.113 R)
• M17: 11,677,909 km (0.109 R)
• M18: 13,726,801 km (0.102 R)
• M19: 17,421,420 km (0.093 R)
• M20: 20,677,118 km (0.069 R)
• M21: 22,447,310 km (0.113 R)
• M22: 24,993,615 km (0.05 R)
• M23: 28,786,669 km (0.114 R)
• M24: 31,214,344 km (0.097 R)
• M25: 32,361,610 km (0.112 R)
• M26: 33,536,701 km (0.115 R)
• M27: 34,255,220 km (0.067 R)
• M28: 45,418,961 km (0.114 R)
• M29: 49,003,625 km (0.105 R)
• M30: 55,555,563 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.6

Radius: 7.8

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 7.13 AU - 10.71 AU

Year: 16939 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,344,816 km

• M1: 97,089 km (0.099 R)
• M2: 377,735 km (0.089 R)
• M3: 892,202 km (0.102 R)
• M4: 1,392,457 km (0.119 R)
• M5: 1,742,965 km (0.083 R)
• M6: 2,661,346 km (0.063 R)
• M7: 3,008,712 km (0.073 R)
• M8: 3,745,183 km (0.111 R)
• M9: 4,653,391 km (0.06 R)
• M10: 5,283,498 km (0.079 R)
• M11: 6,315,723 km (0.065 R)
• M12: 6,566,449 km (0.108 R)
• M13: 7,556,188 km (0.06 R)
• M14: 8,906,908 km (0.119 R)
• M15: 10,660,943 km (0.089 R)
• M16: 12,078,233 km (0.117 R)
• M17: 16,196,662 km (0.071 R)
• M18: 19,011,197 km (0.104 R)
• M19: 19,991,960 km (0.034 R)
• M20: 20,378,072 km (0.104 R)
• M21: 21,972,187 km (0.086 R)
• M22: 26,226,003 km (0.095 R)
• M23: 26,875,407 km (0.106 R)
• M24: 29,680,068 km (0.077 R)
• M25: 34,630,411 km (0.074 R)
• M26: 38,536,262 km (0.106 R)
• M27: 40,472,058 km (0.111 R)
• M28: 41,714,319 km (0.089 R)
• M29: 41,965,793 km (0.049 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: 541 - 13,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit