🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.3

Radius: 14.6

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.7 AU - 0.74 AU

Year: 394 Days

Day: 13.6 Hours

Environment

Temp: -132 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 75,535,807 km

• M1: 181,612 km (0.035 R)
• M2: 650,003 km (0.064 R)
• M3: 1,139,337 km (0.11 R)
• M4: 1,781,711 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.8

Radius: 14.8

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.75 AU - 1.03 AU

Year: 542 Days

Day: 10.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,535,807 km

• M1: 184,454 km (0.103 R)
• M2: 677,080 km (0.089 R)
• M3: 1,238,521 km (0.072 R)
• M4: 2,064,600 km (0.054 R)
• M5: 2,869,886 km (0.043 R)
• M6: 3,572,996 km (0.08 R)
• M7: 4,271,767 km (0.105 R)
• M8: 5,093,209 km (0.084 R)
• M9: 6,472,352 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.7

Radius: 11.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.23 AU - 1.73 AU

Year: 1163 Days

Day: 14 Hours

Environment

Temp: -174 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,535,807 km

• M1: 145,708 km (0.088 R)
• M2: 673,490 km (0.095 R)
• M3: 1,222,813 km (0.051 R)
• M4: 2,122,644 km (0.093 R)
• M5: 2,785,812 km (0.101 R)
• M6: 3,292,200 km (0.102 R)
• M7: 4,924,762 km (0.091 R)
• M8: 6,241,971 km (0.088 R)
• M9: 7,629,491 km (0.12 R)
• M10: 8,680,865 km (0.095 R)
• M11: 9,299,004 km (0.095 R)
• M12: 10,281,114 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.1

Radius: 10.3

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.9 AU - 2.7 AU

Year: 2252 Days

Day: 10.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,535,807 km

• M1: 128,056 km (0.052 R)
• M2: 511,176 km (0.077 R)
• M3: 833,859 km (0.097 R)
• M4: 1,491,940 km (0.109 R)
• M5: 1,924,876 km (0.093 R)
• M6: 2,280,919 km (0.118 R)
• M7: 3,209,772 km (0.09 R)
• M8: 3,641,960 km (0.046 R)
• M9: 4,034,804 km (0.05 R)
• M10: 5,948,909 km (0.099 R)
• M11: 6,549,694 km (0.084 R)
• M12: 7,511,459 km (0.029 R)
• M13: 7,964,591 km (0.085 R)
• M14: 9,059,647 km (0.077 R)
• M15: 10,547,398 km (0.114 R)
• M16: 12,565,174 km (0.083 R)
• M17: 13,075,153 km (0.117 R)
• M18: 14,045,744 km (0.036 R)
• M19: 14,687,968 km (0.093 R)
• M20: 15,158,603 km (0.105 R)
• M21: 15,932,622 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.7

Radius: 13.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.58 AU - 4.26 AU

Year: 4084 Days

Day: 12.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,535,807 km

• M1: 170,392 km (0.093 R)
• M2: 863,629 km (0.09 R)
• M3: 1,316,312 km (0.065 R)
• M4: 1,898,547 km (0.063 R)
• M5: 3,811,604 km (0.099 R)
• M6: 4,947,800 km (0.068 R)
• M7: 5,840,002 km (0.096 R)
• M8: 7,174,415 km (0.067 R)
• M9: 8,867,414 km (0.063 R)
• M10: 10,075,267 km (0.043 R)
• M11: 11,311,993 km (0.06 R)
• M12: 12,232,169 km (0.06 R)
• M13: 13,995,778 km (0.081 R)
• M14: 14,635,160 km (0.085 R)
• M15: 15,246,267 km (0.096 R)
• M16: 16,269,516 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.6

Radius: 13.9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.44 AU - 3.94 AU

Year: 4577 Days

Day: 11.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,535,807 km

• M1: 172,935 km (0.117 R)
• M2: 626,217 km (0.052 R)
• M3: 1,156,092 km (0.063 R)
• M4: 1,654,253 km (0.086 R)
• M5: 2,282,116 km (0.085 R)
• M6: 6,002,615 km (0.101 R)
• M7: 7,120,859 km (0.108 R)
• M8: 7,712,219 km (0.098 R)
• M9: 9,113,053 km (0.116 R)
• M10: 11,267,712 km (0.054 R)
• M11: 11,783,974 km (0.026 R)
• M12: 13,796,215 km (0.111 R)
• M13: 14,442,328 km (0.094 R)
• M14: 17,354,251 km (0.114 R)
• M15: 18,043,897 km (0.086 R)
• M16: 19,211,807 km (0.086 R)
• M17: 21,914,742 km (0.108 R)
• M18: 23,093,722 km (0.119 R)
• M19: 24,005,372 km (0.117 R)
• M20: 25,497,760 km (0.047 R)
• M21: 26,718,928 km (0.118 R)
• M22: 27,723,777 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.9

Radius: 9.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.97 AU - 5.29 AU

Year: 6433 Days

Day: 5.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,535,807 km

• M1: 116,986 km (0.066 R)
• M2: 501,153 km (0.116 R)
• M3: 1,117,047 km (0.116 R)
• M4: 1,917,994 km (0.115 R)
• M5: 2,435,304 km (0.108 R)
• M6: 3,624,457 km (0.102 R)
• M7: 5,242,209 km (0.062 R)
• M8: 6,107,183 km (0.12 R)
• M9: 12,328,660 km (0.096 R)
• M10: 13,247,789 km (0.097 R)
• M11: 17,865,277 km (0.112 R)
• M12: 18,789,493 km (0.057 R)
• M13: 22,100,991 km (0.12 R)
• M14: 23,093,722 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488

Radius: 11.6

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.81 AU - 5.69 AU

Year: 6684 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,535,807 km

• M1: 154,086 km (0.076 R)
• M2: 530,474 km (0.081 R)
• M3: 1,114,953 km (0.11 R)
• M4: 1,602,044 km (0.114 R)
• M5: 3,378,219 km (0.106 R)
• M6: 4,491,975 km (0.112 R)
• M7: 6,178,392 km (0.115 R)
• M8: 8,408,597 km (0.119 R)
• M9: 9,944,070 km (0.085 R)
• M10: 10,571,334 km (0.099 R)
• M11: 20,724,840 km (0.051 R)
• M12: 21,379,331 km (0.092 R)
• M13: 25,682,364 km (0.045 R)
• M14: 32,048,053 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.5

Radius: 9.7

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.01 AU - 6.33 AU

Year: 7590 Days

Day: 12.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,535,807 km

• M1: 120,576 km (0.079 R)
• M2: 488,587 km (0.075 R)
• M3: 872,904 km (0.104 R)
• M4: 1,224,608 km (0.095 R)
• M5: 1,616,854 km (0.091 R)
• M6: 2,208,513 km (0.082 R)
• M7: 3,439,853 km (0.068 R)
• M8: 4,100,328 km (0.101 R)
• M9: 4,474,921 km (0.098 R)
• M10: 5,969,703 km (0.034 R)
• M11: 6,523,066 km (0.079 R)
• M12: 6,997,590 km (0.075 R)
• M13: 7,455,958 km (0.049 R)
• M14: 7,852,991 km (0.107 R)
• M15: 8,517,804 km (0.116 R)
• M16: 9,264,895 km (0.114 R)
• M17: 11,982,490 km (0.067 R)
• M18: 16,554,800 km (0.093 R)
• M19: 17,232,029 km (0.06 R)
• M20: 18,139,789 km (0.106 R)
• M21: 20,126,598 km (0.111 R)
• M22: 20,587,061 km (0.1 R)
• M23: 22,335,860 km (0.107 R)
• M24: 24,095,430 km (0.054 R)
• M25: 24,440,851 km (0.059 R)
• M26: 25,407,702 km (0.118 R)
• M27: 28,750,467 km (0.115 R)
• M28: 37,206,187 km (0.066 R)
• M29: 37,667,846 km (0.116 R)
• M30: 38,250,380 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.1

Radius: 6.7

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.6 AU - 10.61 AU

Year: 20725 Days

Day: 16.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 75,535,807 km

• M1: 83,326 km (0.052 R)
• M2: 299,345 km (0.087 R)
• M3: 625,768 km (0.116 R)
• M4: 1,013,376 km (0.063 R)
• M5: 1,409,511 km (0.118 R)
• M6: 1,793,529 km (0.117 R)
• M7: 2,182,334 km (0.105 R)
• M8: 3,374,180 km (0.067 R)
• M9: 3,936,219 km (0.096 R)
• M10: 4,422,711 km (0.097 R)
• M11: 4,804,485 km (0.112 R)
• M12: 7,332,240 km (0.118 R)
• M13: 7,768,019 km (0.088 R)
• M14: 9,916,544 km (0.087 R)
• M15: 10,877,261 km (0.08 R)
• M16: 12,636,682 km (0.078 R)
• M17: 14,204,168 km (0.072 R)
• M18: 14,728,958 km (0.03 R)
• M19: 16,462,647 km (0.11 R)
• M20: 16,874,939 km (0.09 R)
• M21: 20,235,954 km (0.075 R)
• M22: 22,272,430 km (0.075 R)
• M23: 24,441,599 km (0.072 R)
• M24: 25,194,825 km (0.103 R)
• M25: 38,138,481 km (0.097 R)
• M26: 39,590,777 km (0.057 R)
• M27: 41,533,455 km (0.064 R)
• M28: 44,644,792 km (0.064 R)
• M29: 45,931,633 km (0.118 R)
• M30: 48,242,920 km (0.085 R)
• M31: 48,748,112 km (0.054 R)
• M32: 49,427,136 km (0.085 R)
• M33: 52,029,691 km (0.111 R)
• M34: 55,271,776 km (0.111 R)
• M35: 73,516,882 km (0.111 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 15,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit