🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.9

Radius: 12

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.66 AU - 0.76 AU

Year: 406 Days

Day: 7.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,863,572 km

• M1: 149,299 km (0.097 R)
• M2: 577,897 km (0.099 R)
• M3: 1,075,609 km (0.119 R)
• M4: 1,475,484 km (0.096 R)
• M5: 1,858,454 km (0.037 R)
• M6: 2,465,523 km (0.042 R)
• M7: 3,167,585 km (0.08 R)
• M8: 3,778,393 km (0.091 R)
• M9: 4,523,840 km (0.115 R)
• M10: 5,348,872 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.9

Radius: 10.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.73 AU - 0.87 AU

Year: 485 Days

Day: 7.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,863,572 km

• M1: 133,142 km (0.102 R)
• M2: 507,137 km (0.03 R)
• M3: 949,498 km (0.119 R)
• M4: 1,622,987 km (0.072 R)
• M5: 2,047,995 km (0.1 R)
• M6: 2,391,771 km (0.113 R)
• M7: 3,529,911 km (0.042 R)
• M8: 4,176,324 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433

Radius: 14.3

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.85 AU - 1.13 AU

Year: 668 Days

Day: 8.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 83.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,863,572 km

• M1: 177,872 km (0.106 R)
• M2: 687,701 km (0.105 R)
• M3: 1,193,492 km (0.061 R)
• M4: 1,819,110 km (0.106 R)
• M5: 3,644,055 km (0.079 R)
• M6: 4,402,217 km (0.063 R)
• M7: 5,263,451 km (0.093 R)
• M8: 5,779,115 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.7

Radius: 12.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.73 AU - 2.77 AU

Year: 3093 Days

Day: 10.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,863,572 km

• M1: 154,235 km (0.12 R)
• M2: 1,030,430 km (0.03 R)
• M3: 1,810,284 km (0.053 R)
• M4: 2,432,013 km (0.096 R)
• M5: 3,111,337 km (0.105 R)
• M6: 3,692,075 km (0.104 R)
• M7: 4,125,311 km (0.05 R)
• M8: 5,277,962 km (0.084 R)
• M9: 5,682,326 km (0.115 R)
• M10: 6,288,646 km (0.077 R)
• M11: 6,798,774 km (0.109 R)
• M12: 7,307,557 km (0.103 R)
• M13: 7,811,253 km (0.087 R)
• M14: 8,888,507 km (0.082 R)
• M15: 11,493,754 km (0.049 R)
• M16: 13,800,104 km (0.087 R)
• M17: 14,571,431 km (0.039 R)
• M18: 16,299,735 km (0.087 R)
• M19: 17,368,911 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.2

Radius: 13.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.64 AU - 3.78 AU

Year: 3901 Days

Day: 13.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,863,572 km

• M1: 169,195 km (0.093 R)
• M2: 639,980 km (0.065 R)
• M3: 1,094,757 km (0.116 R)
• M4: 1,719,179 km (0.097 R)
• M5: 2,181,436 km (0.075 R)
• M6: 2,665,984 km (0.1 R)
• M7: 3,604,710 km (0.063 R)
• M8: 4,331,457 km (0.085 R)
• M9: 4,822,437 km (0.082 R)
• M10: 6,215,492 km (0.096 R)
• M11: 7,141,204 km (0.067 R)
• M12: 8,090,702 km (0.102 R)
• M13: 8,561,785 km (0.092 R)
• M14: 10,124,933 km (0.07 R)
• M15: 11,323,212 km (0.094 R)
• M16: 12,613,943 km (0.069 R)
• M17: 13,065,429 km (0.117 R)
• M18: 13,527,537 km (0.082 R)
• M19: 15,640,906 km (0.108 R)
• M20: 20,328,406 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.3

Radius: 11.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.77 AU - 5.11 AU

Year: 6345 Days

Day: 5.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,863,572 km

• M1: 171,589 km (0.117 R)
• M2: 759,060 km (0.066 R)
• M3: 1,250,189 km (0.095 R)
• M4: 2,609,884 km (0.061 R)
• M5: 3,583,467 km (0.083 R)
• M6: 4,173,481 km (0.074 R)
• M7: 6,010,244 km (0.105 R)
• M8: 9,039,601 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.6

Radius: 3.9

Gravity: 45.27 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.32 AU - 7.18 AU

Year: 10598 Days

Day: 20.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,863,572 km

• M1: 48,470 km (0.12 R)
• M2: 276,606 km (0.118 R)
• M3: 423,960 km (0.088 R)
• M4: 550,969 km (0.107 R)
• M5: 1,302,698 km (0.105 R)
• M6: 1,652,009 km (0.054 R)
• M7: 2,413,911 km (0.059 R)
• M8: 2,763,073 km (0.071 R)
• M9: 3,460,049 km (0.102 R)
• M10: 3,664,101 km (0.067 R)
• M11: 4,209,684 km (0.111 R)
• M12: 4,622,574 km (0.101 R)
• M13: 4,745,394 km (0.078 R)
• M14: 5,061,943 km (0.1 R)
• M15: 5,632,210 km (0.086 R)
• M16: 5,950,854 km (0.076 R)
• M17: 6,281,315 km (0.092 R)
• M18: 7,769,964 km (0.109 R)
• M19: 10,446,270 km (0.081 R)
• M20: 10,658,100 km (0.111 R)
• M21: 11,590,544 km (0.112 R)
• M22: 14,124,881 km (0.091 R)
• M23: 16,005,327 km (0.082 R)
• M24: 17,005,239 km (0.109 R)
• M25: 17,372,352 km (0.096 R)
• M26: 27,240,725 km (0.106 R)
• M27: 28,869,696 km (0.109 R)
• M28: 33,338,334 km (0.091 R)
• M29: 45,839,032 km (0.077 R)
• M30: 46,692,338 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 820.8

Radius: 7.3

Gravity: 15.4 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 6.59 AU - 7.55 AU

Year: 12750 Days

Day: 24.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 59,863,572 km

• M1: 90,956 km (0.119 R)
• M2: 416,630 km (0.115 R)
• M3: 644,318 km (0.066 R)
• M4: 1,888,823 km (0.101 R)
• M5: 2,440,091 km (0.082 R)
• M6: 2,742,428 km (0.099 R)
• M7: 3,319,128 km (0.091 R)
• M8: 3,663,801 km (0.085 R)
• M9: 5,182,519 km (0.09 R)
• M10: 6,257,081 km (0.078 R)
• M11: 7,340,468 km (0.067 R)
• M12: 8,019,643 km (0.058 R)
• M13: 8,641,671 km (0.074 R)
• M14: 9,927,315 km (0.035 R)
• M15: 10,475,740 km (0.057 R)
• M16: 13,458,872 km (0.083 R)
• M17: 15,759,836 km (0.07 R)
• M18: 16,204,741 km (0.062 R)
• M19: 16,581,727 km (0.12 R)
• M20: 16,887,655 km (0.027 R)
• M21: 20,243,434 km (0.069 R)
• M22: 22,963,273 km (0.063 R)
• M23: 29,898,182 km (0.07 R)
• M24: 30,237,619 km (0.101 R)
• M25: 33,168,242 km (0.054 R)
• M26: 33,654,135 km (0.06 R)
• M27: 35,771,992 km (0.119 R)
• M28: 38,242,452 km (0.113 R)
• M29: 40,271,298 km (0.061 R)
• M30: 44,102,350 km (0.063 R)
• M31: 46,332,256 km (0.102 R)
• M32: 46,635,191 km (0.116 R)
• M33: 57,388,137 km (0.108 R)
• M34: 57,912,627 km (0.082 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 16,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit