🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.8

Radius: 12.5

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.85 AU - 1.19 AU

Year: 676 Days

Day: 9.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,006,248 km

• M1: 157,975 km (0.102 R)
• M2: 640,129 km (0.099 R)
• M3: 1,072,318 km (0.062 R)
• M4: 1,545,047 km (0.088 R)
• M5: 2,224,221 km (0.108 R)
• M6: 2,766,962 km (0.039 R)
• M7: 3,243,581 km (0.099 R)
• M8: 3,636,724 km (0.112 R)
• M9: 4,302,435 km (0.038 R)
• M10: 5,133,900 km (0.109 R)
• M11: 5,764,455 km (0.12 R)
• M12: 6,446,172 km (0.089 R)
• M13: 7,202,838 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.7

Radius: 10.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.93 AU - 1.41 AU

Year: 830 Days

Day: 5.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,006,248 km

• M1: 135,984 km (0.08 R)
• M2: 871,408 km (0.04 R)
• M3: 1,213,538 km (0.099 R)
• M4: 1,991,896 km (0.081 R)
• M5: 2,365,591 km (0.088 R)
• M6: 2,838,470 km (0.106 R)
• M7: 3,210,969 km (0.044 R)
• M8: 4,458,615 km (0.087 R)
• M9: 5,280,655 km (0.085 R)
• M10: 5,917,493 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.5

Radius: 14.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.5 AU - 1.56 AU

Year: 1241 Days

Day: 10.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,006,248 km

• M1: 177,872 km (0.095 R)
• M2: 631,153 km (0.033 R)
• M3: 1,100,442 km (0.105 R)
• M4: 1,569,730 km (0.115 R)
• M5: 2,427,375 km (0.055 R)
• M6: 3,089,495 km (0.1 R)
• M7: 3,870,097 km (0.073 R)
• M8: 4,406,555 km (0.07 R)
• M9: 5,503,107 km (0.11 R)
• M10: 7,663,749 km (0.08 R)
• M11: 8,261,692 km (0.095 R)
• M12: 9,925,370 km (0.109 R)
• M13: 11,141,152 km (0.089 R)
• M14: 11,802,823 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.1

Radius: 14.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.52 AU - 1.72 AU

Year: 1353 Days

Day: 11 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,006,248 km

• M1: 177,872 km (0.07 R)
• M2: 696,827 km (0.04 R)
• M3: 1,164,769 km (0.058 R)
• M4: 1,735,335 km (0.052 R)
• M5: 2,817,377 km (0.096 R)
• M6: 4,202,055 km (0.102 R)
• M7: 5,663,626 km (0.11 R)
• M8: 6,259,025 km (0.045 R)
• M9: 7,204,484 km (0.057 R)
• M10: 8,620,876 km (0.087 R)
• M11: 9,193,537 km (0.112 R)
• M12: 10,051,182 km (0.103 R)
• M13: 11,100,910 km (0.095 R)
• M14: 13,498,216 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.3

Radius: 9.2

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.11 AU - 3.09 AU

Year: 2750 Days

Day: 13.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,006,248 km

• M1: 114,891 km (0.082 R)
• M2: 457,919 km (0.104 R)
• M3: 1,041,201 km (0.055 R)
• M4: 1,362,238 km (0.104 R)
• M5: 1,915,451 km (0.053 R)
• M6: 2,278,974 km (0.052 R)
• M7: 2,611,829 km (0.076 R)
• M8: 3,181,199 km (0.058 R)
• M9: 3,675,171 km (0.115 R)
• M10: 4,135,484 km (0.117 R)
• M11: 4,478,212 km (0.085 R)
• M12: 4,770,526 km (0.096 R)
• M13: 5,172,047 km (0.099 R)
• M14: 5,989,450 km (0.053 R)
• M15: 6,890,328 km (0.085 R)
• M16: 7,623,358 km (0.12 R)
• M17: 10,367,132 km (0.105 R)
• M18: 12,175,023 km (0.119 R)
• M19: 12,658,074 km (0.062 R)
• M20: 13,429,550 km (0.062 R)
• M21: 16,831,556 km (0.087 R)
• M22: 18,328,582 km (0.107 R)
• M23: 18,730,701 km (0.093 R)
• M24: 20,644,805 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.4

Radius: 12.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.55 AU - 2.95 AU

Year: 2992 Days

Day: 5.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,006,248 km

• M1: 166,802 km (0.088 R)
• M2: 1,296,864 km (0.102 R)
• M3: 2,163,335 km (0.114 R)
• M4: 2,838,171 km (0.106 R)
• M5: 3,453,916 km (0.089 R)
• M6: 4,972,484 km (0.05 R)
• M7: 5,522,256 km (0.113 R)
• M8: 6,173,605 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.3

Radius: 9.1

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.43 AU - 3.23 AU

Year: 3123 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 124.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,006,248 km

• M1: 125,662 km (0.113 R)
• M2: 525,537 km (0.098 R)
• M3: 960,718 km (0.06 R)
• M4: 1,257,520 km (0.031 R)
• M5: 4,311,560 km (0.073 R)
• M6: 4,781,746 km (0.08 R)
• M7: 5,487,100 km (0.081 R)
• M8: 5,904,927 km (0.057 R)
• M9: 6,600,408 km (0.071 R)
• M10: 8,733,673 km (0.079 R)
• M11: 9,785,945 km (0.111 R)
• M12: 10,678,894 km (0.082 R)
• M13: 12,626,359 km (0.097 R)
• M14: 14,113,362 km (0.064 R)
• M15: 17,100,533 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.2

Radius: 10.4

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.95 AU - 3.97 AU

Year: 4222 Days

Day: 13.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,006,248 km

• M1: 129,552 km (0.107 R)
• M2: 478,564 km (0.075 R)
• M3: 1,041,500 km (0.056 R)
• M4: 1,538,614 km (0.086 R)
• M5: 1,877,004 km (0.108 R)
• M6: 2,235,142 km (0.1 R)
• M7: 2,814,086 km (0.071 R)
• M8: 3,347,103 km (0.042 R)
• M9: 3,812,203 km (0.074 R)
• M10: 6,180,337 km (0.094 R)
• M11: 6,653,664 km (0.099 R)
• M12: 8,599,783 km (0.116 R)
• M13: 11,590,843 km (0.083 R)
• M14: 12,214,068 km (0.105 R)
• M15: 12,558,891 km (0.077 R)
• M16: 15,214,253 km (0.104 R)
• M17: 17,654,344 km (0.076 R)
• M18: 19,597,471 km (0.06 R)
• M19: 20,070,649 km (0.079 R)
• M20: 20,969,732 km (0.079 R)
• M21: 24,212,116 km (0.041 R)
• M22: 24,914,179 km (0.101 R)
• M23: 25,629,855 km (0.093 R)
• M24: 26,277,464 km (0.078 R)
• M25: 27,185,823 km (0.109 R)
• M26: 28,029,405 km (0.117 R)
• M27: 28,371,835 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.8

Radius: 12.2

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.06 AU - 4.58 AU

Year: 4898 Days

Day: 9.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,006,248 km

• M1: 151,692 km (0.079 R)
• M2: 655,239 km (0.104 R)
• M3: 1,220,419 km (0.12 R)
• M4: 2,045,302 km (0.091 R)
• M5: 3,080,669 km (0.105 R)
• M6: 3,488,323 km (0.115 R)
• M7: 4,681,516 km (0.072 R)
• M8: 5,170,102 km (0.061 R)
• M9: 6,495,839 km (0.092 R)
• M10: 7,441,148 km (0.109 R)
• M11: 8,931,292 km (0.074 R)
• M12: 9,808,534 km (0.104 R)
• M13: 10,225,912 km (0.111 R)
• M14: 10,742,473 km (0.087 R)
• M15: 11,504,076 km (0.092 R)
• M16: 12,737,959 km (0.118 R)
• M17: 15,134,368 km (0.099 R)
• M18: 16,673,431 km (0.113 R)
• M19: 17,633,251 km (0.111 R)
• M20: 18,189,156 km (0.111 R)
• M21: 18,756,731 km (0.062 R)
• M22: 19,728,967 km (0.064 R)
• M23: 22,413,800 km (0.087 R)
• M24: 25,646,760 km (0.102 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.6

Radius: 11.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.52 AU - 4.92 AU

Year: 5687 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,006,248 km

• M1: 140,622 km (0.087 R)
• M2: 618,438 km (0.097 R)
• M3: 1,146,967 km (0.11 R)
• M4: 1,831,676 km (0.06 R)
• M5: 2,515,039 km (0.101 R)
• M6: 2,991,060 km (0.114 R)
• M7: 4,637,384 km (0.118 R)
• M8: 5,700,576 km (0.077 R)
• M9: 6,559,268 km (0.063 R)
• M10: 7,860,022 km (0.119 R)
• M11: 8,883,870 km (0.104 R)
• M12: 9,407,462 km (0.11 R)
• M13: 11,334,432 km (0.12 R)
• M14: 12,689,789 km (0.089 R)
• M15: 15,090,236 km (0.112 R)
• M16: 16,607,458 km (0.075 R)
• M17: 17,032,914 km (0.103 R)
• M18: 17,653,147 km (0.07 R)
• M19: 18,872,968 km (0.096 R)
• M20: 21,194,877 km (0.112 R)
• M21: 24,946,492 km (0.046 R)
• M22: 28,682,400 km (0.102 R)
• M23: 29,119,226 km (0.085 R)
• M24: 29,738,262 km (0.055 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 12,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit