🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.9

Radius: 11.4

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.49 AU - 0.55 AU

Year: 250 Days

Day: 7.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,749,242 km

• M1: 141,819 km (0.112 R)
• M2: 546,780 km (0.083 R)
• M3: 905,815 km (0.12 R)
• M4: 1,274,574 km (0.119 R)
• M5: 1,732,643 km (0.086 R)
• M6: 2,291,989 km (0.094 R)
• M7: 2,910,277 km (0.046 R)
• M8: 3,349,796 km (0.043 R)
• M9: 3,916,771 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.1

Radius: 12

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.42 AU - 0.64 AU

Year: 257 Days

Day: 7.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,749,242 km

• M1: 150,047 km (0.109 R)
• M2: 568,622 km (0.101 R)
• M3: 1,262,456 km (0.073 R)
• M4: 1,749,397 km (0.096 R)
• M5: 2,173,657 km (0.103 R)
• M6: 2,667,180 km (0.094 R)
• M7: 3,245,526 km (0.071 R)
• M8: 3,695,516 km (0.055 R)
• M9: 4,075,644 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.4

Radius: 12.1

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.75 AU - 0.81 AU

Year: 459 Days

Day: 10.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 93,749,242 km

• M1: 150,495 km (0.114 R)
• M2: 546,631 km (0.083 R)
• M3: 1,050,925 km (0.08 R)
• M4: 1,477,279 km (0.118 R)
• M5: 1,937,592 km (0.102 R)
• M6: 2,821,266 km (0.03 R)
• M7: 3,271,705 km (0.082 R)
• M8: 4,135,035 km (0.048 R)
• M9: 4,780,849 km (0.101 R)
• M10: 5,561,002 km (0.105 R)
• M11: 6,127,080 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.1

Radius: 13.4

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.09 AU - 1.21 AU

Year: 822 Days

Day: 11.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 93,749,242 km

• M1: 230,381 km (0.048 R)
• M2: 1,456,186 km (0.06 R)
• M3: 2,901,301 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.5

Radius: 12.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.32 AU - 3.38 AU

Year: 4089 Days

Day: 11.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 93,749,242 km

• M1: 159,172 km (0.109 R)
• M2: 561,590 km (0.12 R)
• M3: 1,030,729 km (0.049 R)
• M4: 1,537,866 km (0.107 R)
• M5: 2,104,094 km (0.108 R)
• M6: 3,341,119 km (0.106 R)
• M7: 3,860,971 km (0.119 R)
• M8: 4,871,505 km (0.034 R)
• M9: 5,594,661 km (0.09 R)
• M10: 6,620,005 km (0.11 R)
• M11: 7,318,328 km (0.044 R)
• M12: 9,409,556 km (0.101 R)
• M13: 15,146,036 km (0.064 R)
• M14: 16,576,790 km (0.11 R)
• M15: 17,017,506 km (0.1 R)
• M16: 21,865,823 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.5

Radius: 3.1

Gravity: 15.87 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.74 AU - 7.06 AU

Year: 10797 Days

Day: 15.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 93,749,242 km

• M1: 38,596 km (0.107 R)
• M2: 199,414 km (0.112 R)
• M3: 410,048 km (0.071 R)
• M4: 687,552 km (0.104 R)
• M5: 1,011,282 km (0.045 R)
• M6: 1,116,150 km (0.113 R)
• M7: 1,439,580 km (0.082 R)
• M8: 1,934,749 km (0.095 R)
• M9: 2,158,548 km (0.072 R)
• M10: 2,415,856 km (0.059 R)
• M11: 3,208,874 km (0.082 R)
• M12: 3,373,582 km (0.117 R)
• M13: 3,500,740 km (0.034 R)
• M14: 4,431,987 km (0.11 R)
• M15: 5,401,082 km (0.102 R)
• M16: 7,351,389 km (0.107 R)
• M17: 7,746,926 km (0.072 R)
• M18: 10,557,271 km (0.05 R)
• M19: 11,013,994 km (0.068 R)
• M20: 11,247,067 km (0.108 R)
• M21: 14,033,627 km (0.035 R)
• M22: 15,614,427 km (0.061 R)
• M23: 17,122,673 km (0.076 R)
• M24: 19,870,487 km (0.111 R)
• M25: 21,565,431 km (0.112 R)
• M26: 21,930,300 km (0.076 R)
• M27: 23,125,587 km (0.102 R)
• M28: 23,430,916 km (0.095 R)
• M29: 26,802,403 km (0.073 R)
• M30: 27,907,932 km (0.108 R)
• M31: 30,028,182 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.8

Radius: 6.9

Gravity: 19.13 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.68 AU - 7.64 AU

Year: 12776 Days

Day: 23.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 93,749,242 km

• M1: 85,869 km (0.099 R)
• M2: 359,184 km (0.105 R)
• M3: 773,122 km (0.089 R)
• M4: 997,219 km (0.112 R)
• M5: 1,305,690 km (0.116 R)
• M6: 1,826,889 km (0.089 R)
• M7: 2,116,511 km (0.077 R)
• M8: 2,394,912 km (0.094 R)
• M9: 2,742,877 km (0.051 R)
• M10: 3,876,380 km (0.108 R)
• M11: 4,202,803 km (0.099 R)
• M12: 4,483,299 km (0.095 R)
• M13: 4,843,231 km (0.054 R)
• M14: 5,962,074 km (0.12 R)
• M15: 8,550,865 km (0.097 R)
• M16: 9,364,677 km (0.116 R)
• M17: 14,291,533 km (0.086 R)
• M18: 15,508,512 km (0.09 R)
• M19: 15,730,216 km (0.051 R)
• M20: 16,561,382 km (0.091 R)
• M21: 17,105,469 km (0.087 R)
• M22: 17,342,133 km (0.108 R)
• M23: 18,065,588 km (0.096 R)
• M24: 19,230,507 km (0.098 R)
• M25: 20,890,595 km (0.107 R)
• M26: 23,507,809 km (0.09 R)
• M27: 24,493,211 km (0.095 R)
• M28: 25,505,839 km (0.115 R)
• M29: 28,159,106 km (0.044 R)
• M30: 36,166,033 km (0.116 R)
• M31: 43,043,347 km (0.111 R)
• M32: 43,481,668 km (0.116 R)
• M33: 44,814,585 km (0.081 R)
• M34: 48,659,699 km (0.072 R)
• M35: 51,069,123 km (0.111 R)
• M36: 53,725,682 km (0.057 R)
• M37: 54,064,222 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.8

Radius: 6.5

Gravity: 17.16 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.37 AU - 8.71 AU

Year: 13807 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 93,749,242 km

• M1: 82,279 km (0.097 R)
• M2: 301,739 km (0.084 R)
• M3: 529,277 km (0.089 R)
• M4: 733,628 km (0.064 R)
• M5: 1,206,357 km (0.045 R)
• M6: 1,510,639 km (0.092 R)
• M7: 1,953,299 km (0.035 R)
• M8: 3,046,112 km (0.068 R)
• M9: 3,321,522 km (0.096 R)
• M10: 3,641,063 km (0.085 R)
• M11: 4,956,925 km (0.042 R)
• M12: 6,083,697 km (0.106 R)
• M13: 8,056,593 km (0.062 R)
• M14: 8,294,005 km (0.117 R)
• M15: 9,085,079 km (0.086 R)
• M16: 10,588,836 km (0.072 R)
• M17: 11,047,354 km (0.102 R)
• M18: 12,820,837 km (0.099 R)
• M19: 14,149,266 km (0.114 R)
• M20: 15,060,466 km (0.11 R)
• M21: 16,767,229 km (0.115 R)
• M22: 18,516,776 km (0.074 R)
• M23: 20,035,942 km (0.105 R)
• M24: 21,819,298 km (0.099 R)
• M25: 27,908,231 km (0.08 R)
• M26: 31,513,988 km (0.102 R)
• M27: 38,416,284 km (0.107 R)
• M28: 38,819,301 km (0.05 R)
• M29: 43,295,718 km (0.114 R)
• M30: 46,717,620 km (0.047 R)
• M31: 52,593,675 km (0.045 R)
• M32: 55,966,059 km (0.097 R)
• M33: 57,881,062 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.8

Radius: 4.7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.07 AU - 9.37 AU

Year: 17171 Days

Day: 24.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,749,242 km

• M1: 62,233 km (0.095 R)
• M2: 248,931 km (0.102 R)
• M3: 777,011 km (0.066 R)
• M4: 1,118,842 km (0.069 R)
• M5: 1,527,843 km (0.116 R)
• M6: 1,781,561 km (0.095 R)
• M7: 2,146,281 km (0.087 R)
• M8: 3,377,621 km (0.082 R)
• M9: 4,249,477 km (0.085 R)
• M10: 8,370,450 km (0.11 R)
• M11: 11,080,714 km (0.105 R)
• M12: 18,506,902 km (0.093 R)
• M13: 25,523,790 km (0.084 R)
• M14: 35,557,768 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.9

Radius: 6.5

Gravity: 22.08 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 8.55 AU - 12.91 AU

Year: 23438 Days

Day: 18.9 Hours

Environment

Temp: -245 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 93,749,242 km

• M1: 112,946 km (0.089 R)
• M2: 429,645 km (0.112 R)
• M3: 636,240 km (0.073 R)
• M4: 1,162,076 km (0.1 R)
• M5: 2,028,846 km (0.105 R)
• M6: 2,738,389 km (0.104 R)
• M7: 4,062,480 km (0.092 R)
• M8: 4,981,011 km (0.077 R)
• M9: 5,897,597 km (0.082 R)
• M10: 8,005,580 km (0.118 R)
• M11: 12,726,590 km (0.094 R)
• M12: 20,720,502 km (0.12 R)
• M13: 22,512,834 km (0.062 R)
• M14: 23,390,973 km (0.088 R)
• M15: 24,520,587 km (0.111 R)
• M16: 27,751,303 km (0.08 R)
• M17: 33,464,296 km (0.055 R)
• M18: 38,812,120 km (0.112 R)
• M19: 43,681,980 km (0.041 R)
• M20: 46,262,992 km (0.117 R)
• M21: 47,680,282 km (0.067 R)
• M22: 54,809,069 km (0.11 R)
• M23: 56,595,717 km (0.068 R)
• M24: 58,420,811 km (0.045 R)
• M25: 59,659,182 km (0.088 R)
• M26: 70,666,593 km (0.027 R)
• M27: 74,215,055 km (0.144 R)
• M28: 74,696,910 km (0.043 R)
• M29: 76,400,081 km (0.095 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 11,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit