🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.6

Radius: 14.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.57 AU - 0.61 AU

Year: 302 Days

Day: 14.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,220,831 km

• M1: 180,864 km (0.091 R)
• M2: 669,750 km (0.066 R)
• M3: 1,202,617 km (0.051 R)
• M4: 1,696,440 km (0.099 R)
• M5: 2,203,577 km (0.107 R)
• M6: 2,867,642 km (0.08 R)
• M7: 3,344,859 km (0.064 R)
• M8: 3,921,259 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.2

Radius: 14.3

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.55 AU - 0.79 AU

Year: 366 Days

Day: 7.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,220,831 km

• M1: 177,872 km (0.116 R)
• M2: 625,768 km (0.105 R)
• M3: 1,205,011 km (0.058 R)
• M4: 1,763,161 km (0.102 R)
• M5: 2,441,587 km (0.111 R)
• M6: 3,050,899 km (0.114 R)
• M7: 3,542,478 km (0.052 R)
• M8: 4,276,704 km (0.094 R)
• M9: 4,742,552 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.7

Radius: 11.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.56 AU - 0.78 AU

Year: 366 Days

Day: 11.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,220,831 km

• M1: 145,559 km (0.094 R)
• M2: 511,326 km (0.103 R)
• M3: 1,034,918 km (0.088 R)
• M4: 1,549,086 km (0.084 R)
• M5: 2,325,798 km (0.114 R)
• M6: 2,803,614 km (0.087 R)
• M7: 3,554,445 km (0.051 R)
• M8: 4,298,844 km (0.077 R)
• M9: 4,744,496 km (0.077 R)
• M10: 5,267,191 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601

Radius: 14.8

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.57 AU - 0.81 AU

Year: 382 Days

Day: 14.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,220,831 km

• M1: 184,005 km (0.053 R)
• M2: 712,235 km (0.064 R)
• M3: 1,189,602 km (0.109 R)
• M4: 1,770,341 km (0.037 R)
• M5: 2,540,172 km (0.108 R)
• M6: 3,045,513 km (0.063 R)
• M7: 3,641,960 km (0.078 R)
• M8: 4,224,045 km (0.101 R)
• M9: 4,824,980 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.8

Radius: 10.7

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.74 AU - 2.62 AU

Year: 2146 Days

Day: 13.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,220,831 km

• M1: 134,488 km (0.106 R)
• M2: 758,162 km (0.078 R)
• M3: 1,174,044 km (0.102 R)
• M4: 1,540,409 km (0.101 R)
• M5: 2,102,448 km (0.066 R)
• M6: 2,587,894 km (0.059 R)
• M7: 3,161,751 km (0.099 R)
• M8: 3,542,478 km (0.111 R)
• M9: 3,953,872 km (0.102 R)
• M10: 5,575,812 km (0.12 R)
• M11: 5,951,901 km (0.075 R)
• M12: 6,804,459 km (0.085 R)
• M13: 7,655,671 km (0.106 R)
• M14: 11,217,596 km (0.088 R)
• M15: 11,854,883 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.5

Radius: 9.2

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.78 AU - 2.68 AU

Year: 2221 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,220,831 km

• M1: 114,442 km (0.082 R)
• M2: 495,468 km (0.093 R)
• M3: 899,382 km (0.087 R)
• M4: 1,414,149 km (0.077 R)
• M5: 1,723,816 km (0.094 R)
• M6: 2,078,962 km (0.116 R)
• M7: 3,178,955 km (0.071 R)
• M8: 3,699,256 km (0.094 R)
• M9: 4,315,899 km (0.046 R)
• M10: 5,112,507 km (0.094 R)
• M11: 5,462,267 km (0.106 R)
• M12: 7,755,154 km (0.09 R)
• M13: 8,863,225 km (0.049 R)
• M14: 9,232,433 km (0.095 R)
• M15: 10,218,582 km (0.098 R)
• M16: 10,662,139 km (0.043 R)
• M17: 12,861,378 km (0.119 R)
• M18: 13,291,472 km (0.03 R)
• M19: 14,271,637 km (0.063 R)
• M20: 14,779,372 km (0.093 R)
• M21: 15,782,276 km (0.073 R)
• M22: 16,275,351 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.7

Radius: 11.1

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.15 AU - 3.36 AU

Year: 3041 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,220,831 km

• M1: 138,228 km (0.07 R)
• M2: 506,239 km (0.028 R)
• M3: 941,868 km (0.097 R)
• M4: 1,917,845 km (0.052 R)
• M5: 2,459,838 km (0.11 R)
• M6: 3,066,308 km (0.084 R)
• M7: 3,629,244 km (0.093 R)
• M8: 4,349,408 km (0.118 R)
• M9: 4,696,476 km (0.093 R)
• M10: 5,061,943 km (0.105 R)
• M11: 5,989,450 km (0.113 R)
• M12: 7,248,017 km (0.09 R)
• M13: 7,704,590 km (0.116 R)
• M14: 9,078,197 km (0.105 R)
• M15: 11,027,757 km (0.039 R)
• M16: 11,988,025 km (0.058 R)
• M17: 12,955,774 km (0.06 R)
• M18: 13,727,549 km (0.103 R)
• M19: 14,275,826 km (0.111 R)
• M20: 15,629,537 km (0.098 R)
• M21: 16,671,785 km (0.097 R)
• M22: 17,238,611 km (0.091 R)
• M23: 20,267,669 km (0.089 R)
• M24: 22,314,467 km (0.101 R)
• M25: 23,003,066 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 12.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.64 AU - 5.96 AU

Year: 7013 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 150.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,220,831 km

• M1: 150,495 km (0.11 R)
• M2: 1,695,692 km (0.097 R)
• M3: 2,606,593 km (0.11 R)
• M4: 3,080,220 km (0.047 R)
• M5: 4,072,054 km (0.076 R)
• M6: 5,243,854 km (0.031 R)
• M7: 10,810,391 km (0.08 R)
• M8: 11,926,391 km (0.096 R)
• M9: 12,632,044 km (0.108 R)
• M10: 14,738,681 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 449.6

Radius: 4

Gravity: 28.1 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 4.74 AU - 7.22 AU

Year: 9752 Days

Day: 24.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 141.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 83,220,831 km

• M1: 51,162 km (0.052 R)
• M2: 220,507 km (0.047 R)
• M3: 574,007 km (0.103 R)
• M4: 1,377,946 km (0.094 R)
• M5: 1,574,218 km (0.097 R)
• M6: 1,818,961 km (0.075 R)
• M7: 1,990,549 km (0.109 R)
• M8: 2,122,195 km (0.079 R)
• M9: 2,571,288 km (0.095 R)
• M10: 3,417,563 km (0.105 R)
• M11: 3,630,890 km (0.12 R)
• M12: 4,804,485 km (0.117 R)
• M13: 5,012,127 km (0.094 R)
• M14: 6,038,069 km (0.094 R)
• M15: 6,314,975 km (0.078 R)
• M16: 6,456,495 km (0.089 R)
• M17: 6,968,867 km (0.064 R)
• M18: 7,120,111 km (0.119 R)
• M19: 7,706,834 km (0.117 R)
• M20: 10,575,223 km (0.114 R)
• M21: 12,632,643 km (0.094 R)
• M22: 14,569,935 km (0.106 R)
• M23: 15,193,908 km (0.116 R)
• M24: 17,939,178 km (0.066 R)
• M25: 18,874,315 km (0.102 R)
• M26: 20,685,047 km (0.092 R)
• M27: 22,856,909 km (0.112 R)
• M28: 26,529,836 km (0.104 R)
• M29: 30,275,467 km (0.109 R)
• M30: 31,187,266 km (0.071 R)
• M31: 34,249,685 km (0.109 R)
• M32: 35,797,274 km (0.111 R)
• M33: 37,275,451 km (0.08 R)
• M34: 38,439,921 km (0.095 R)
• M35: 39,269,291 km (0.054 R)
• M36: 40,353,128 km (0.091 R)

Asteroid Belt

Center: 8.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.4

Radius: 3.2

Gravity: 60.29 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.96 AU - 11.9 AU

Year: 24097 Days

Day: 24.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,220,831 km

• M1: 40,242 km (0.1 R)
• M2: 147,504 km (0.092 R)
• M3: 777,610 km (0.101 R)
• M4: 1,402,929 km (0.098 R)
• M5: 1,570,329 km (0.117 R)
• M6: 2,816,928 km (0.072 R)
• M7: 4,426,302 km (0.036 R)
• M8: 6,792,641 km (0.111 R)
• M9: 10,313,128 km (0.113 R)
• M10: 11,138,908 km (0.064 R)
• M11: 14,183,225 km (0.085 R)
• M12: 20,250,316 km (0.084 R)
• M13: 20,938,167 km (0.079 R)
• M14: 23,201,134 km (0.06 R)
• M15: 23,521,872 km (0.119 R)
• M16: 25,735,770 km (0.077 R)
• M17: 28,448,728 km (0.094 R)
• M18: 33,338,484 km (0.083 R)
• M19: 35,980,831 km (0.088 R)
• M20: 46,239,505 km (0.072 R)
• M21: 46,917,333 km (0.103 R)
• M22: 47,773,781 km (0.084 R)
• M23: 47,946,267 km (0.062 R)
• M24: 49,694,468 km (0.063 R)
• M25: 58,285,425 km (0.099 R)
• M26: 63,970,742 km (0.116 R)
• M27: 66,087,403 km (0.12 R)
• M28: 71,357,137 km (0.084 R)
• M29: 75,956,823 km (0.105 R)
• M30: 76,191,991 km (0.084 R)
• M31: 81,240,470 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 15,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit