🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.3

Radius: 8.3

Gravity: 14.27 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.54 AU - 0.7 AU

Year: 331 Days

Day: 13.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,795,396 km

• M1: 103,223 km (0.09 R)
• M2: 365,019 km (0.056 R)
• M3: 795,561 km (0.085 R)
• M4: 1,059,153 km (0.113 R)
• M5: 1,900,940 km (0.045 R)
• M6: 2,205,970 km (0.063 R)
• M7: 2,670,322 km (0.055 R)
• M8: 3,175,963 km (0.099 R)
• M9: 3,974,067 km (0.114 R)
• M10: 4,504,841 km (0.068 R)
• M11: 4,914,589 km (0.066 R)
• M12: 5,175,189 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.7

Radius: 10.8

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.82 AU - 0.86 AU

Year: 522 Days

Day: 6.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,795,396 km

• M1: 134,339 km (0.078 R)
• M2: 474,375 km (0.118 R)
• M3: 851,062 km (0.07 R)
• M4: 1,193,043 km (0.088 R)
• M5: 1,548,637 km (0.116 R)
• M6: 1,941,631 km (0.051 R)
• M7: 2,352,427 km (0.103 R)
• M8: 2,933,465 km (0.072 R)
• M9: 3,351,441 km (0.12 R)
• M10: 3,891,789 km (0.111 R)
• M11: 4,263,839 km (0.12 R)
• M12: 4,931,943 km (0.107 R)
• M13: 6,715,448 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.3

Radius: 12.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.83 AU - 0.89 AU

Year: 541 Days

Day: 9.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,795,396 km

• M1: 160,369 km (0.104 R)
• M2: 697,126 km (0.028 R)
• M3: 1,214,136 km (0.088 R)
• M4: 1,971,700 km (0.1 R)
• M5: 2,477,191 km (0.081 R)
• M6: 2,889,184 km (0.092 R)
• M7: 3,451,672 km (0.042 R)
• M8: 4,220,156 km (0.12 R)
• M9: 5,575,363 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.5

Radius: 9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.31 AU - 1.77 AU

Year: 1296 Days

Day: 14.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 74.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,795,396 km

• M1: 112,049 km (0.092 R)
• M2: 418,874 km (0.113 R)
• M3: 728,841 km (0.112 R)
• M4: 1,436,439 km (0.084 R)
• M5: 2,303,807 km (0.064 R)
• M6: 3,057,780 km (0.115 R)
• M7: 4,706,050 km (0.114 R)
• M8: 5,349,919 km (0.113 R)
• M9: 6,642,744 km (0.079 R)
• M10: 7,317,131 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.8

Radius: 13.4

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.55 AU - 1.87 AU

Year: 1517 Days

Day: 12.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,795,396 km

• M1: 166,652 km (0.091 R)
• M2: 583,282 km (0.109 R)
• M3: 1,337,106 km (0.109 R)
• M4: 1,767,798 km (0.114 R)
• M5: 2,713,705 km (0.109 R)
• M6: 3,309,404 km (0.1 R)
• M7: 3,748,474 km (0.062 R)
• M8: 4,282,239 km (0.082 R)
• M9: 4,907,409 km (0.104 R)
• M10: 5,773,879 km (0.071 R)
• M11: 6,316,920 km (0.106 R)
• M12: 7,783,278 km (0.094 R)
• M13: 9,274,769 km (0.087 R)
• M14: 9,855,957 km (0.05 R)
• M15: 13,417,283 km (0.118 R)
• M16: 13,910,508 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.6

Radius: 14.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.06 AU - 2.48 AU

Year: 2320 Days

Day: 12.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,795,396 km

• M1: 180,265 km (0.097 R)
• M2: 679,922 km (0.094 R)
• M3: 1,144,125 km (0.096 R)
• M4: 2,106,338 km (0.095 R)
• M5: 2,944,535 km (0.097 R)
• M6: 3,632,685 km (0.057 R)
• M7: 4,405,358 km (0.067 R)
• M8: 5,119,389 km (0.098 R)
• M9: 6,066,493 km (0.066 R)
• M10: 7,010,306 km (0.115 R)
• M11: 8,050,011 km (0.085 R)
• M12: 9,016,114 km (0.12 R)
• M13: 9,690,052 km (0.088 R)
• M14: 10,397,351 km (0.114 R)
• M15: 14,800,166 km (0.089 R)
• M16: 15,488,316 km (0.115 R)
• M17: 17,791,525 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.1

Radius: 8.3

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.95 AU - 2.91 AU

Year: 2569 Days

Day: 13.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,795,396 km

• M1: 103,223 km (0.067 R)
• M2: 404,812 km (0.103 R)
• M3: 851,511 km (0.048 R)
• M4: 1,223,860 km (0.069 R)
• M5: 1,530,685 km (0.089 R)
• M6: 1,805,945 km (0.107 R)
• M7: 2,234,095 km (0.03 R)
• M8: 2,822,912 km (0.111 R)
• M9: 3,605,009 km (0.111 R)
• M10: 6,616,415 km (0.094 R)
• M11: 7,203,736 km (0.101 R)
• M12: 7,603,761 km (0.104 R)
• M13: 8,347,860 km (0.089 R)
• M14: 10,056,118 km (0.063 R)
• M15: 10,912,117 km (0.107 R)
• M16: 11,357,919 km (0.109 R)
• M17: 13,172,841 km (0.087 R)
• M18: 14,149,116 km (0.107 R)
• M19: 14,875,414 km (0.117 R)
• M20: 15,779,733 km (0.107 R)
• M21: 18,597,409 km (0.077 R)
• M22: 19,292,291 km (0.115 R)

Asteroid Belt

Center: 2.77 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.6

Radius: 12.1

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 2.84 AU - 3.38 AU

Year: 3720 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,795,396 km

• M1: 151,094 km (0.051 R)
• M2: 930,200 km (0.031 R)
• M3: 1,421,329 km (0.102 R)
• M4: 2,043,657 km (0.097 R)
• M5: 2,946,031 km (0.085 R)
• M6: 4,031,513 km (0.103 R)
• M7: 4,416,279 km (0.073 R)
• M8: 5,313,417 km (0.119 R)
• M9: 6,121,395 km (0.115 R)
• M10: 7,401,355 km (0.099 R)
• M11: 8,965,550 km (0.118 R)
• M12: 9,625,426 km (0.067 R)
• M13: 10,028,592 km (0.104 R)
• M14: 10,611,875 km (0.106 R)
• M15: 11,484,479 km (0.036 R)
• M16: 11,892,432 km (0.106 R)
• M17: 13,125,867 km (0.062 R)
• M18: 14,028,391 km (0.082 R)
• M19: 15,734,704 km (0.045 R)
• M20: 16,351,945 km (0.113 R)
• M21: 18,921,438 km (0.071 R)
• M22: 20,533,205 km (0.074 R)
• M23: 21,543,141 km (0.075 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.9

Radius: 9.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.24 AU - 3.3 AU

Year: 4011 Days

Day: 12.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,795,396 km

• M1: 124,914 km (0.052 R)
• M2: 838,047 km (0.068 R)
• M3: 1,164,919 km (0.082 R)
• M4: 1,492,538 km (0.119 R)
• M5: 2,184,279 km (0.094 R)
• M6: 2,870,634 km (0.115 R)
• M7: 3,310,601 km (0.098 R)
• M8: 3,774,953 km (0.038 R)
• M9: 4,238,257 km (0.094 R)
• M10: 4,810,320 km (0.089 R)
• M11: 5,203,014 km (0.113 R)
• M12: 5,616,951 km (0.066 R)
• M13: 6,165,377 km (0.083 R)
• M14: 7,210,617 km (0.066 R)
• M15: 8,197,066 km (0.095 R)
• M16: 8,615,940 km (0.09 R)
• M17: 9,049,026 km (0.027 R)
• M18: 11,096,123 km (0.079 R)
• M19: 11,696,160 km (0.099 R)
• M20: 12,636,682 km (0.096 R)
• M21: 16,851,901 km (0.078 R)
• M22: 18,820,759 km (0.068 R)
• M23: 19,244,270 km (0.12 R)
• M24: 19,860,464 km (0.117 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.1

Radius: 13.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.89 AU - 6.09 AU

Year: 7560 Days

Day: 6.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,795,396 km

• M1: 170,392 km (0.076 R)
• M2: 700,716 km (0.092 R)
• M3: 1,294,470 km (0.092 R)
• M4: 2,034,082 km (0.064 R)
• M5: 2,643,694 km (0.114 R)
• M6: 3,940,408 km (0.103 R)
• M7: 4,650,250 km (0.083 R)
• M8: 5,474,085 km (0.103 R)
• M9: 5,937,240 km (0.101 R)
• M10: 7,865,407 km (0.116 R)
• M11: 8,336,341 km (0.064 R)
• M12: 12,600,479 km (0.111 R)
• M13: 13,746,249 km (0.048 R)
• M14: 17,076,298 km (0.081 R)
• M15: 18,003,057 km (0.104 R)
• M16: 20,836,291 km (0.096 R)
• M17: 21,588,618 km (0.07 R)
• M18: 22,358,898 km (0.12 R)
• M19: 25,031,763 km (0.113 R)
• M20: 25,539,797 km (0.091 R)
• M21: 29,010,917 km (0.029 R)
• M22: 29,759,953 km (0.068 R)
• M23: 30,618,047 km (0.051 R)
• M24: 32,684,442 km (0.104 R)
• M25: 33,495,562 km (0.086 R)
• M26: 35,052,427 km (0.082 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 16,258 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit