🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 8

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.74 AU - 0.94 AU

Year: 522 Days

Day: 13.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,181,680 km

• M1: 99,632 km (0.042 R)
• M2: 353,500 km (0.111 R)
• M3: 664,963 km (0.065 R)
• M4: 922,869 km (0.108 R)
• M5: 1,322,445 km (0.098 R)
• M6: 1,929,513 km (0.094 R)
• M7: 2,301,414 km (0.068 R)
• M8: 3,271,257 km (0.044 R)
• M9: 4,054,701 km (0.089 R)
• M10: 4,447,096 km (0.095 R)
• M11: 4,910,849 km (0.091 R)
• M12: 5,556,663 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.1

Radius: 13

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.85 AU - 0.91 AU

Year: 560 Days

Day: 14 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,181,680 km

• M1: 161,715 km (0.102 R)
• M2: 587,172 km (0.112 R)
• M3: 1,037,461 km (0.092 R)
• M4: 1,573,919 km (0.038 R)
• M5: 2,128,778 km (0.107 R)
• M6: 2,896,065 km (0.101 R)
• M7: 3,664,101 km (0.119 R)
• M8: 4,144,011 km (0.116 R)
• M9: 4,724,899 km (0.12 R)
• M10: 5,152,450 km (0.107 R)
• M11: 5,572,670 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.5

Radius: 14.1

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.31 AU - 1.49 AU

Year: 1124 Days

Day: 8.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,181,680 km

• M1: 175,478 km (0.065 R)
• M2: 617,241 km (0.068 R)
• M3: 1,143,377 km (0.108 R)
• M4: 1,807,142 km (0.075 R)
• M5: 2,616,018 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.4

Radius: 9

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.74 AU - 2.12 AU

Year: 1819 Days

Day: 7.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,181,680 km

• M1: 118,332 km (0.102 R)
• M2: 428,897 km (0.109 R)
• M3: 909,106 km (0.06 R)
• M4: 1,556,865 km (0.049 R)
• M5: 1,915,750 km (0.104 R)
• M6: 2,304,555 km (0.118 R)
• M7: 2,661,197 km (0.025 R)
• M8: 3,024,271 km (0.109 R)
• M9: 3,436,712 km (0.084 R)
• M10: 3,904,355 km (0.041 R)
• M11: 6,113,616 km (0.093 R)
• M12: 6,801,617 km (0.032 R)
• M13: 7,096,325 km (0.079 R)
• M14: 7,399,559 km (0.099 R)
• M15: 9,274,021 km (0.065 R)
• M16: 9,804,944 km (0.1 R)
• M17: 11,407,586 km (0.114 R)
• M18: 13,552,520 km (0.077 R)
• M19: 14,236,631 km (0.082 R)
• M20: 15,169,074 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.2

Radius: 14.5

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.48 AU - 3.08 AU

Year: 3144 Days

Day: 6.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,181,680 km

• M1: 180,265 km (0.103 R)
• M2: 676,332 km (0.09 R)
• M3: 1,333,665 km (0.083 R)
• M4: 1,946,418 km (0.119 R)
• M5: 2,556,777 km (0.104 R)
• M6: 3,027,562 km (0.108 R)
• M7: 3,854,539 km (0.051 R)
• M8: 4,478,811 km (0.101 R)
• M9: 5,220,367 km (0.109 R)
• M10: 6,154,905 km (0.076 R)
• M11: 6,647,681 km (0.092 R)
• M12: 7,680,205 km (0.12 R)
• M13: 8,426,399 km (0.07 R)
• M14: 11,948,980 km (0.04 R)
• M15: 13,045,832 km (0.071 R)
• M16: 14,560,810 km (0.049 R)
• M17: 15,282,320 km (0.078 R)
• M18: 17,190,591 km (0.045 R)
• M19: 18,409,364 km (0.112 R)
• M20: 20,695,818 km (0.101 R)
• M21: 22,276,619 km (0.03 R)
• M22: 22,752,490 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.4

Radius: 14.1

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.28 AU - 4.74 AU

Year: 6496 Days

Day: 10.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,181,680 km

• M1: 175,478 km (0.099 R)
• M2: 684,560 km (0.114 R)
• M3: 1,851,423 km (0.071 R)
• M4: 3,011,704 km (0.117 R)
• M5: 3,764,032 km (0.103 R)
• M6: 5,082,288 km (0.108 R)
• M7: 6,184,974 km (0.073 R)
• M8: 8,249,575 km (0.105 R)
• M9: 10,739,930 km (0.077 R)
• M10: 13,196,627 km (0.085 R)
• M11: 13,978,874 km (0.085 R)
• M12: 15,330,939 km (0.093 R)
• M13: 16,385,006 km (0.078 R)
• M14: 19,125,938 km (0.111 R)
• M15: 22,237,275 km (0.092 R)
• M16: 23,104,942 km (0.098 R)
• M17: 27,425,628 km (0.116 R)
• M18: 27,967,023 km (0.091 R)
• M19: 31,366,634 km (0.114 R)
• M20: 35,244,211 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.7

Radius: 10.4

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.09 AU - 5.79 AU

Year: 8606 Days

Day: 12.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,181,680 km

• M1: 130,898 km (0.117 R)
• M2: 561,890 km (0.09 R)
• M3: 1,796,970 km (0.093 R)
• M4: 2,122,345 km (0.109 R)
• M5: 2,668,826 km (0.099 R)
• M6: 4,887,662 km (0.117 R)
• M7: 5,229,194 km (0.076 R)
• M8: 6,631,823 km (0.116 R)
• M9: 6,985,921 km (0.107 R)
• M10: 7,352,436 km (0.109 R)
• M11: 8,719,312 km (0.086 R)
• M12: 11,902,156 km (0.031 R)
• M13: 12,474,667 km (0.093 R)
• M14: 13,368,066 km (0.114 R)
• M15: 16,479,103 km (0.101 R)
• M16: 16,891,694 km (0.047 R)
• M17: 18,675,349 km (0.062 R)
• M18: 26,747,351 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.5

Radius: 3.6

Gravity: 21.57 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.93 AU - 7.45 AU

Year: 10445 Days

Day: 24 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,181,680 km

• M1: 45,179 km (0.089 R)
• M2: 227,538 km (0.088 R)
• M3: 423,512 km (0.079 R)
• M4: 964,308 km (0.1 R)
• M5: 1,334,712 km (0.085 R)
• M6: 2,437,398 km (0.101 R)
• M7: 2,791,945 km (0.103 R)
• M8: 3,398,116 km (0.107 R)
• M9: 4,215,219 km (0.098 R)
• M10: 6,193,202 km (0.086 R)
• M11: 6,994,299 km (0.081 R)
• M12: 7,363,207 km (0.096 R)
• M13: 7,861,966 km (0.086 R)
• M14: 8,969,440 km (0.076 R)
• M15: 9,537,911 km (0.085 R)
• M16: 9,808,384 km (0.112 R)
• M17: 10,037,568 km (0.072 R)
• M18: 11,337,275 km (0.102 R)
• M19: 14,032,879 km (0.101 R)
• M20: 14,559,613 km (0.058 R)
• M21: 16,028,365 km (0.106 R)
• M22: 16,346,410 km (0.074 R)
• M23: 17,259,106 km (0.109 R)
• M24: 23,868,340 km (0.107 R)
• M25: 25,728,291 km (0.107 R)
• M26: 26,427,960 km (0.12 R)
• M27: 27,050,437 km (0.115 R)
• M28: 31,287,497 km (0.108 R)
• M29: 33,926,404 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.2

Radius: 5.7

Gravity: 26.97 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.82 AU - 8.44 AU

Year: 12913 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,181,680 km

• M1: 70,909 km (0.084 R)
• M2: 384,467 km (0.09 R)
• M3: 633,547 km (0.032 R)
• M4: 955,182 km (0.092 R)
• M5: 1,297,462 km (0.097 R)
• M6: 1,942,678 km (0.098 R)
• M7: 2,285,706 km (0.08 R)
• M8: 2,758,734 km (0.037 R)
• M9: 4,768,582 km (0.098 R)
• M10: 5,143,773 km (0.118 R)
• M11: 6,634,217 km (0.115 R)
• M12: 8,055,247 km (0.046 R)
• M13: 9,350,316 km (0.103 R)
• M14: 9,937,936 km (0.064 R)
• M15: 11,424,341 km (0.042 R)
• M16: 12,283,032 km (0.04 R)
• M17: 13,854,259 km (0.093 R)
• M18: 14,128,472 km (0.083 R)
• M19: 14,758,877 km (0.079 R)
• M20: 15,850,942 km (0.095 R)
• M21: 17,152,593 km (0.03 R)
• M22: 17,869,765 km (0.065 R)
• M23: 20,053,744 km (0.115 R)
• M24: 20,759,996 km (0.089 R)
• M25: 21,119,330 km (0.078 R)
• M26: 22,315,664 km (0.065 R)
• M27: 22,787,645 km (0.077 R)
• M28: 28,316,633 km (0.113 R)
• M29: 29,656,132 km (0.117 R)
• M30: 31,981,482 km (0.113 R)
• M31: 32,702,244 km (0.096 R)
• M32: 43,225,557 km (0.088 R)
• M33: 51,750,990 km (0.119 R)
• M34: 53,580,721 km (0.091 R)
• M35: 57,545,065 km (0.115 R)
• M36: 58,076,137 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.8

Radius: 4.8

Gravity: 24.82 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.19 AU - 11.51 AU

Year: 19391 Days

Day: 23.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,181,680 km

• M1: 59,690 km (0.091 R)
• M2: 287,078 km (0.038 R)
• M3: 556,055 km (0.088 R)
• M4: 993,180 km (0.062 R)
• M5: 1,155,344 km (0.087 R)
• M6: 3,358,622 km (0.078 R)
• M7: 4,092,549 km (0.053 R)
• M8: 4,615,094 km (0.1 R)
• M9: 6,449,613 km (0.087 R)
• M10: 9,361,386 km (0.113 R)
• M11: 12,977,615 km (0.102 R)
• M12: 13,954,789 km (0.099 R)
• M13: 14,170,359 km (0.066 R)
• M14: 16,370,645 km (0.088 R)
• M15: 17,179,371 km (0.111 R)
• M16: 19,139,701 km (0.1 R)
• M17: 20,127,945 km (0.091 R)
• M18: 28,016,540 km (0.112 R)
• M19: 28,359,717 km (0.068 R)
• M20: 30,720,222 km (0.1 R)
• M21: 31,576,371 km (0.109 R)
• M22: 41,769,820 km (0.095 R)
• M23: 44,661,248 km (0.086 R)
• M24: 46,714,628 km (0.117 R)
• M25: 47,197,231 km (0.092 R)
• M26: 48,336,269 km (0.081 R)
• M27: 49,493,558 km (0.103 R)
• M28: 53,953,669 km (0.054 R)
• M29: 63,073,604 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 347 - 13,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit